NCLEX Practice Exam for Fundamentals of Nursing 1

EXPLANATION

✔Correct answer:

Frontal plane. The frontal plane, also known as the coronal plane, divides the body lengthwise into front (anterior) and back (posterior) sections. This plane runs vertically from side to side, separating the body into two parts: the front part that includes the face and abdomen, and the back part that includes the back of the head and spine. The frontal plane is commonly used in anatomical references to describe structures located in the front or back of the body.

Think of a book cover that divides the front of the book from the back. Similarly, the frontal plane acts as a "cover," separating the body into a front section (anterior) and a back section (posterior).

Understanding anatomical planes, such as the frontal plane, is essential for accurate documentation, physical assessments, and communication with other healthcare team members regarding specific locations on the body.

✘Incorrect answer options:

Sagittal plane. The sagittal plane divides the body lengthwise into right and left sections, not front and back. It can be further specified as the midsagittal plane if it divides the body into equal left and right halves.

Midsagittal plane. The midsagittal plane is a specific type of sagittal plane that runs down the center of the body, dividing it into equal left and right halves.

Transverse plane. The transverse plane, also known as the horizontal plane, divides the body horizontally into upper (superior) and lower (inferior) sections, not front and back.

EXPLANATION

✔Correct answer:

Assist the patient in dangling their legs over the side of the bed. Dangling the legs over the side of the bed is an essential step in preparing a patient for transfer from the bed to a chair. This action allows the patient to adjust to an upright position gradually, helping to prevent dizziness or orthostatic hypotension, which can occur when transitioning from lying down to sitting up too quickly. By assisting the patient in sitting with their legs over the edge of the bed, Nurse Jamie provides a safer transition and can observe the patient for any signs of dizziness or weakness before completing the transfer.

Think of dangling the legs like warming up before a workout. Just as a warm-up helps the body adjust to activity gradually, dangling helps the patient’s body adjust to sitting up, reducing the risk of feeling faint.

When assisting a patient with a transfer, Nurse Jamie should also:

• Ensure the bed is at a safe height for the patient to sit up and dangle their legs comfortably.
• Position the chair close to the bed and at an angle that allows an easy pivot for the transfer.
• Encourage the patient to take slow, deep breaths while dangling to stabilize circulation.
• Use a gait belt if appropriate, and position herself close to the patient to assist with balance and provide support during the transfer.

✘Incorrect answer options:

Lay the bed flat. Laying the bed flat may make it harder for the patient to sit up comfortably, and could increase the risk of dizziness. A slight elevation of the head of the bed is typically preferred for positioning the patient before sitting up.

Stand directly behind the patient. Standing directly behind the patient does not provide optimal support during a transfer. The nurse should stand at the patient’s side, with a supportive grip (using a gait belt if needed) to assist with balance and guide the transfer.

Position the chair facing away from the bed. The chair should be positioned at a slight angle facing the bed to make the transfer easier and safer, allowing the patient to pivot from the bed to the chair.

EXPLANATION

✔Correct answer:

Discard the syringe to prevent any chance of a medication error. The safest and most appropriate action for Nurse Tanya in this situation is to discard the unlabeled syringe. Medication safety protocols strictly emphasize that all medications must be clearly labeled to ensure proper identification and administration. Using an unlabeled syringe poses a significant risk of medication error, which could lead to adverse effects or even harm the patient. Since Nurse Tanya cannot verify the contents of the syringe with certainty, discarding it removes the risk of mistakenly administering the wrong medication.

According to best practices in nursing and hospital policy, any medication or syringe that is not clearly labeled should be considered unsafe. When in doubt about the contents of any medication, the safest action is to discard it and obtain a new, properly labeled dose from the pharmacy. This reduces the potential for errors that could occur if assumptions or guesses are made.

Imagine you're at a restaurant and see a cup of liquid on your table with no label or description—you're unsure if it’s water, juice, or even cleaning solution. Drinking it without knowing what’s inside could be risky. In healthcare, this risk is amplified: administering an unlabeled syringe is like drinking from that mystery cup, but with potential consequences for the patient’s health. Just as you would discard the unknown drink and ask for a fresh, labeled one, Nurse Tanya should safely discard the unlabeled syringe and obtain a new, properly labeled dose to ensure patient safety.

To prevent medication errors and ensure patient safety, Nurse Tanya should follow these key interventions and considerations when handling an unlabeled syringe:

• Avoiding Assumptions: Nurses should avoid making assumptions about unlabeled medications and should always follow the "Five Rights" of medication administration: right patient, right medication, right dose, right route, and right time.
• Seeking a New Dose: After discarding the syringe, Nurse Tanya should contact the pharmacy to obtain a properly labeled replacement dose for the patient.
• Documentation: Document the disposal of the unlabeled syringe according to hospital protocol, ensuring transparency and maintaining a record of actions taken to safeguard patient safety.

✘Incorrect answer options:

Contact the pharmacy to obtain a proper label for the syringe.

While contacting the pharmacy for a replacement dose is appropriate, it is not safe to simply request a label for an unlabeled syringe, as the pharmacist cannot verify the syringe’s contents without re-preparing the medication. Thus, labeling this syringe without confirmation could lead to a serious medication error.

Administer the medication, assuming it contains what was prescribed.

Administering the medication based on an assumption is unsafe and violates the basic principles of medication administration. Administering an unidentified medication increases the risk of adverse drug reactions, overdoses, or therapeutic inefficacy, as the nurse has no way of confirming the syringe’s contents.

Call the day shift nurse to confirm what’s in the syringe.

Relying on the memory of another nurse, especially from a previous shift, is unreliable and prone to errors. The day shift nurse may not remember the contents accurately, or the syringe could have been misplaced or filled incorrectly. It is best practice to discard any unlabeled medication rather than attempting to verify its contents through non-standard methods.

EXPLANATION

✔Correct answer:

½ ml. To calculate the amount of medication Nurse Brian should draw up, we need to use the concentration provided on the vial and apply a simple dosage calculation.

The concentration of the medication is 500 mg per 1 mL. The prescribed dose is 250 mg. Using the formula:

Volume to Administer (mL) = (Prescribed Dose (mg) / Concentration (mg per mL))

Step-by-Step Calculation:

1. Plug in the values:

Volume = 250 mg / 500 mg per mL

2. Calculate:

Volume = 0.5 mL

Therefore, Nurse Brian should draw up 0.5 mL (or ½ mL) of the medication to administer the correct dose of 250 mg.

Think of this like measuring ingredients in a recipe. If 1 cup contains 500 grams of sugar, then to get 250 grams, you’d only need ½ cup. Similarly, for this medication, if 1 mL contains 500 mg, then ½ mL will provide the needed 250 mg.

When preparing to administer the medication, Nurse Brian should also:

• Double-check the medication label and order to confirm accuracy, especially with high-potency drugs.
• Use a syringe calibrated in mL to measure exactly 0.5 mL.
• Review the patient's medical history and allergies to ensure safe administration.
• Monitor the patient for any adverse reactions after administering the medication.

✘Incorrect answer options:

2 mL. This would provide 1,000 mg of the medication, which is four times the prescribed dose.

1 mL. This would provide 500 mg of the medication, which is double the prescribed dose.

¼ mL. This would provide 125 mg of the medication, which is half the prescribed dose.

EXPLANATION

✔Correct answer:

Assess the symptomatic quadrant last. When assessing a patient with abdominal pain, it is essential to assess the symptomatic (painful) quadrant last. This approach helps ensure the patient remains as comfortable as possible throughout the examination. Starting with the painful area can increase discomfort and may lead to guarding or muscle tensing, which can interfere with an accurate assessment. By examining the painful quadrant last, Nurse Angela can prevent unnecessary pain for the patient and allow for a more accurate assessment of the unaffected areas first.

Think of inspecting a bruise on someone’s arm. You wouldn’t press on the sorest part right away; instead, you’d start around the edges where it’s less tender, gradually working your way to the center. This approach keeps the person more comfortable and helps you assess the full extent of the bruise without causing unnecessary pain. Similarly, when examining the abdomen, starting in areas without pain allows the patient to stay relaxed and avoids muscle tension that could interfere with the assessment, saving the painful area for last.

Nurse Angela should follow these steps to ensure a thorough and comfortable abdominal assessment:

• Begin by examining the quadrant diagonally opposite to the area of pain, working in a clockwise manner.
• Use gentle palpation initially, progressing to deeper palpation if tolerated by the patient.
• Observe the patient’s facial expressions and body language for signs of discomfort throughout the exam.
• Reassure the patient and explain each step of the assessment to reduce anxiety and promote cooperation.

✘Incorrect answer options:

Start with any abdominal quadrant. Randomly starting with any quadrant may lead to assessing the painful area first, causing discomfort and potentially compromising the accuracy of the assessment.

Begin with the quadrant where the pain is located. Starting with the painful area can cause increased discomfort, potentially leading to muscle guarding and making it difficult to accurately assess other areas.

Examine the symptomatic quadrant second or third. Assessing the symptomatic quadrant second or third could still cause discomfort early in the exam, increasing the risk of muscle guarding and patient distress.

EXPLANATION

✔Correct answer:

Arterial blood gas (ABG) analysis. Arterial blood gas (ABG) analysis is the most accurate test for assessing a patient's oxygen levels, as it measures the partial pressure of oxygen (PaO₂) in the arterial blood. ABG analysis provides critical information on oxygenation, ventilation, and acid-base balance, which are essential for diagnosing hypoxia. Hypoxia occurs when there is inadequate oxygen delivery to the tissues, and ABGs give a direct reading of arterial oxygen levels, which reflects the oxygen available to tissues.

Oxygen transport in the blood is primarily through hemoglobin, but the actual concentration of oxygen dissolved in the blood is what PaO₂ measures. Low PaO₂ in an ABG result confirms hypoxemia, which may lead to hypoxia if the tissues cannot receive sufficient oxygen. The ABG test can also measure pH, PaCO₂ (carbon dioxide), and HCO₃⁻ (bicarbonate), helping healthcare providers evaluate respiratory and metabolic functions.

Imagine a delivery truck transporting oxygen tanks to a building (the body). ABG analysis is like checking inside the truck to count the actual number of tanks available. In contrast, other tests may only tell us about the truck's potential to carry tanks (oxygen-carrying capacity) rather than confirming the actual oxygen present.

Since ABG analysis involves drawing blood from an artery, usually the radial artery, there are some considerations and precautions that Nurse Kevin should follow.

• Assist the patient in understanding the purpose of ABG analysis to alleviate anxiety, as arterial punctures can be painful.
• Perform an Allen test to confirm adequate collateral circulation before obtaining a radial artery sample, which helps prevent complications in case of arterial injury.
• Monitor the site for bleeding or hematoma formation post-procedure, as arterial punctures have a higher risk of bleeding.
• Apply pressure to the site for at least 5 minutes post-procedure (or longer if the patient is on anticoagulants) to ensure hemostasis.
• Collaborate with respiratory therapy and the healthcare team to interpret ABG results accurately and implement appropriate interventions for hypoxia.

✘Incorrect answer options:

Red blood cell count: While the red blood cell (RBC) count can indirectly affect oxygen transport capacity, it does not provide information on the actual oxygen levels in the blood. High or low RBC counts may indicate different conditions, but they are not used for assessing real-time oxygenation or confirming hypoxia.

Sputum culture: A sputum culture is used to identify bacterial, viral, or fungal infections in the respiratory tract. It helps in diagnosing respiratory infections, which may cause or worsen hypoxia, but it does not measure oxygen levels or confirm hypoxia directly.

Total hemoglobin: Hemoglobin is essential for oxygen transport, and low levels (anemia) can impair oxygen delivery. However, total hemoglobin does not measure the oxygen content in the blood at a given moment, making it unsuitable for assessing hypoxia directly. ABG is needed to determine the actual oxygen levels rather than the potential oxygen-carrying capacity.

EXPLANATION

✔Correct answer:

Come back shortly and stay until the patient takes the medication. The safest approach is for Nurse Julia to come back shortly and stay until Mr. Grant is available to take the medication. This ensures that the nurse observes the patient taking the medication and verifies that it has been administered correctly. Direct observation is a critical part of safe medication administration, as it allows the nurse to confirm the "five rights" (right patient, right drug, right dose, right time, right route). This approach also reduces the risk of medication errors, accidental ingestion by another person, or medication left unattended, which could lead to missed doses.

Leaving medication unattended, even for a short period, can lead to errors, as patients may forget to take it, take it incorrectly, or it may be misplaced or ingested by someone else. Observing the patient taking their medication also allows the nurse to assess for any immediate adverse reactions or to address any questions or concerns the patient may have about their treatment.

Think of a nurse giving medication like a waiter delivering a meal in a restaurant. If the waiter just leaves the food on an empty table, the food might get cold, or someone else might take it by mistake. Similarly, the nurse should ensure the medication reaches the intended recipient under the right conditions.

The nurse should prioritize safe administration by following these steps:

• Return to the patient’s room shortly: Wait until the patient is present and ready to take the medication.
• Observe the patient taking the medication: This ensures that the patient actually receives the medication and takes it as prescribed.
• Document the administration: Record that the medication was administered at the correct time and route, per protocol.
• Address any patient questions: Ensure the patient understands the purpose of the medication and any potential side effects.

✘Incorrect answer options:

Leave the medication on the bedside table. Leaving medication unattended at the bedside increases the risk of medication errors, as the patient may take it improperly or forget to take it altogether. Additionally, someone else could inadvertently take it, creating a safety hazard.

Instruct the patient to take the medication later and leave it at the bedside. This option also presents a risk for medication errors, as there is no guarantee that the patient will take the medication at the correct time or in the right manner. The nurse cannot verify that the medication has been taken safely, which is a requirement of nursing practice.

Wait for the patient to return and then leave the medication by the bed. Although waiting until the patient returns is better than leaving the medication while the patient is away, it’s still not ideal to leave it unattended. Directly observing the patient taking the medication is necessary to confirm safe administration.

EXPLANATION

✔Correct answer:

Physiological changes associated with aging. Physiological changes associated with aging because as people age, their bodies undergo numerous changes that can affect how drugs are absorbed, distributed, metabolized, and excreted. These physiological changes can lead to an increased risk of adverse drug reactions (ADRs). For example, older adults typically experience decreased liver function, reduced kidney function, and altered body composition (e.g., increased body fat and decreased lean body mass). These changes can result in slower drug metabolism and elimination, which means drugs may remain in the body longer, leading to a higher chance of accumulation and toxicity.

Age-Related Physiological Changes Affecting Pharmacokinetics:

• Decreased renal function: The kidneys’ ability to filter and eliminate drugs diminishes with age, increasing the risk of drug accumulation.
• Reduced liver function: Aging decreases hepatic blood flow and enzyme activity, slowing the metabolism of many drugs.
• Altered body composition: Increased fat stores and decreased water content can change the distribution of drugs, especially those that are fat-soluble, leading to prolonged effects and potential toxicity.

Think of the body as a factory. In younger adults, the factory processes drugs quickly, breaking them down and sending them out efficiently. In older adults, the factory has slowed down, with fewer workers (enzyme activity) and reduced waste removal (kidney function). This can lead to a buildup of drugs in the body, just like products piling up in a slower factory, increasing the risk of side effects.

When caring for older patients, nurses should:

• Monitor for signs of toxicity and adverse effects due to slower drug elimination.
• Start medications at lower doses and increase gradually as needed (start low and go slow).
• Regularly assess kidney and liver function to adjust doses if necessary.
• Educate patients and caregivers on the importance of adherence to dosing schedules.

✘Incorrect answer options:

Faster elimination of drugs from the body. This is incorrect because aging generally leads to slower—not faster—elimination of drugs due to decreased renal and hepatic function. This slower elimination increases the risk of drug accumulation and adverse effects.

An increased number of neurons in the brain. This is incorrect, as the number of neurons in the brain typically decreases with age, not increases. This decrease in neurons can affect cognition and sensitivity to medications, especially those that act on the central nervous system, but it is not a direct factor in increasing adverse drug reactions.

Improved blood circulation to the gastrointestinal tract. This is incorrect because blood circulation to the gastrointestinal tract generally decreases with age. Reduced circulation can affect drug absorption but does not directly increase the risk of adverse reactions due to increased drug levels.

EXPLANATION

✔Correct answer:

Under the tongue on the floor of the mouth. Nurse Kim should instruct Ms. Daniels to place her sublingual medication (under the tongue on the floor of the mouth). Sublingual medications are designed to be absorbed through the mucous membranes under the tongue, allowing the medication to enter the bloodstream quickly via the rich blood supply in this area. This route bypasses the gastrointestinal tract and avoids first-pass metabolism by the liver, leading to faster onset of action, which is particularly beneficial for medications that need to act rapidly, such as nitroglycerin for angina.

The sublingual route is ideal for medications that are sensitive to degradation in the digestive tract or need to work quickly. The floor of the mouth has a high density of blood vessels, allowing the medication to be absorbed directly into the systemic circulation. Patients should be instructed not to chew, swallow, or move the medication around the mouth to ensure proper absorption.

Think of the area under the tongue as a "highway entrance" for the medication, allowing it to quickly get onto the "main road" (bloodstream). Placing it elsewhere, like on the top of the tongue, would be like taking a slower route, delaying how fast the medication can start working.

To ensure that Ms. Daniels takes her sublingual medication correctly, Nurse Kim should emphasize the following instructions:

• Instruct Ms. Daniels to place the tablet under her tongue and allow it to dissolve fully without chewing or swallowing.
• Advise her to avoid eating, drinking, or swallowing saliva while the tablet is dissolving to optimize absorption.
• Explain that sublingual medications typically work quickly, so she should remain seated or lying down if the medication might cause dizziness or low blood pressure.
• Emphasize the importance of following this method of administration, as incorrect placement may reduce the medication’s effectiveness.
• Monitor for side effects or adverse reactions, particularly if the medication has cardiovascular effects like nitroglycerin.

✘Incorrect answer options:

On the top of the tongue: Placing the tablet on the top of the tongue will not allow for proper absorption, as it will likely lead to swallowing, causing the medication to pass through the digestive tract instead of being absorbed sublingually.

Against the roof of the mouth: Holding the tablet against the roof of the mouth does not ensure direct access to the rich blood supply under the tongue, thus reducing the efficiency and speed of absorption.

Between the gum and the inside of the cheek: This position is referred to as the buccal route, which is different from the sublingual route. Buccal administration is slower than sublingual and is not appropriate for medications intended to work quickly via sublingual absorption.

EXPLANATION

✔Correct answer:

The patient refuses to talk about her diagnosis with her family. Denial is a defense mechanism and one of the initial stages of grief, according to Elisabeth Kübler-Ross's model. A patient in denial may avoid discussing their diagnosis or the reality of their condition. By refusing to talk about her diagnosis with her family, the patient is likely attempting to avoid confronting the reality of her terminal illness. This behavior suggests that she may not yet be ready to accept or process the diagnosis fully, which is characteristic of the denial stage.

Imagine hearing difficult news and pretending it isn't true because acknowledging it feels overwhelming. Similarly, a patient in denial may avoid talking about their diagnosis to avoid facing the painful reality.

To support a patient in denial, Nurse Carol can:

• Respect the patient's need for time and space to process her diagnosis, without forcing discussions.
• Provide a supportive, non-judgmental presence, letting the patient know that she is available to talk whenever the patient feels ready.
• Encourage family members to be supportive and patient, allowing the patient to open up at her own pace.
• Offer resources such as counseling or support groups to the patient and family when appropriate, as these may help her gradually come to terms with her condition.

✘Incorrect answer options:

The patient is consistently angry with the nursing staff. Consistent anger is more indicative of the anger stage of grief, where the patient may express frustration and resentment, often directed at others or their situation.

The patient has withdrawn from social activities and prefers to be alone. Withdrawing from social activities is more commonly associated with the depression stage of grief, where the patient may feel sadness and a desire for isolation as they come to terms with their illness.

The patient is making funeral arrangements and discussing end-of-life plans. This behavior is a sign of acceptance, the final stage of grief, where the patient has acknowledged their condition and is preparing for the end of life in a practical and emotionally resolved manner.

EXPLANATION

✔Correct answer:

Keeping the head of the bed elevated. Keeping the head of the bed elevated is a critical intervention to reduce the risk of aspiration during continuous enteral feeding. Aspiration can occur if gastric contents reflux into the esophagus and are then inhaled into the lungs, which can lead to aspiration pneumonia, a serious complication. Elevating the head of the bed to a semi-Fowler's (30-45 degrees) or Fowler's (45-60 degrees) position helps prevent reflux by using gravity to keep the feeding in the stomach. This positioning should be maintained during the feeding and for at least 30-60 minutes after the feeding is completed, depending on the patient’s tolerance and individual needs.

Aspiration happens when the contents of the stomach accidentally enter the respiratory tract. Patients on enteral feeding, especially those who are bedbound or have reduced gastric motility, are at higher risk for aspiration. Elevating the head of the bed minimizes this risk by positioning the body in a way that helps keep gastric contents where they belong—inside the stomach—reducing the likelihood of regurgitation and accidental inhalation.

Imagine a cup of liquid on a flat surface; the liquid stays inside. But if the cup is tilted too much, the liquid spills over. Similarly, keeping the head of the bed elevated prevents the "spillage" of stomach contents into the esophagus and, potentially, the lungs.

Nurse Helen should ensure the following steps are part of her routine care during enteral feeding to prevent aspiration and ensure proper feeding management.

• Keep the head of the bed elevated to at least 30-45 degrees during the feeding and for 30-60 minutes afterward.
• Regularly check tube placement and residuals according to hospital protocol to confirm that the feeding tube is correctly positioned and to monitor gastric emptying.
• Monitor the patient for signs of aspiration, such as coughing, choking, or respiratory distress, and stop the feeding immediately if these occur.
• Ensure the feeding formula is at room temperature to prevent gastric discomfort and optimize tolerance.
• Follow institutional guidelines on how much formula to hang at one time, typically no more than 4-6 hours' worth, to reduce bacterial contamination risk.

✘Incorrect answer options:

Turning the patient onto their left side: This position is not recommended for enteral feeding as it does not reduce the risk of aspiration. While left lateral positioning may help with certain gastrointestinal procedures, it does not assist in preventing aspiration during enteral feeding.

Pre-warming the formula before administering: While administering formula at room temperature is beneficial to reduce the risk of gastric discomfort, pre-warming is not essential, and it does not address the risk of aspiration.

Hanging enough formula for a full 24-hour period: Hanging formula for 24 hours increases the risk of bacterial contamination, as enteral feeding formulas are susceptible to microbial growth. Standard guidelines recommend hanging only enough formula for 4-6 hours at a time to reduce this risk.

EXPLANATION

✔Correct answer:

Potential for drug dependence. The primary disadvantage associated with barbiturate use is the potential for drug dependence. Barbiturates are central nervous system (CNS) depressants that can lead to both physical and psychological dependence, especially with prolonged use. This dependence can develop quickly, and patients may require higher doses to achieve the same therapeutic effect, leading to tolerance and increasing the risk of overdose. Due to their high potential for abuse, barbiturates are classified as controlled substances, and their use is often limited to short-term therapy or specific cases, such as anesthesia or management of refractory seizures.

Pathophysiology of Barbiturate Dependence:  

Barbiturates enhance the effect of the inhibitory neurotransmitter gamma-aminobutyric acid (GABA) on the CNS, which can create a calming effect. However, with repeated use, the body adapts, leading to tolerance. When patients attempt to stop or reduce barbiturate use, they may experience withdrawal symptoms due to the body’s dependence on the drug’s effects. Withdrawal from barbiturates can be severe and even life-threatening, making this a significant drawback in their therapeutic use.

Think of barbiturates as crutches for the brain's relaxation response. Initially, they help "support" relaxation, but with continued use, the brain starts relying on these "crutches" and forgets how to relax on its own. Trying to stop suddenly then causes instability and withdrawal symptoms, as the brain struggles to function without the support it’s grown dependent on.

When monitoring a patient on barbiturate therapy, Nurse Jake should be vigilant for signs of drug dependence and adverse effects.

• Monitor for signs of tolerance, such as the need for higher doses to achieve the same effect, and report to the prescribing provider.
• Educate the patient on the risks of dependence and the importance of following the prescribed dosage and schedule strictly.
• Observe for signs of withdrawal if there is a decrease in dose or an attempt to discontinue therapy, as barbiturate withdrawal can be dangerous.
• Encourage open communication about any side effects or challenges with the medication to adjust the therapeutic plan as needed.
• Assess for alternative therapies with lower dependence risks if long-term management is required.

✘Incorrect answer options:

Prolonged half-life: Although some barbiturates have a prolonged half-life, this is not the primary disadvantage associated with their use. While a longer half-life can contribute to accumulation and side effects, the risk of dependence and abuse is considered a more significant concern.

Poor absorption: Barbiturates are generally well-absorbed in the gastrointestinal tract, so poor absorption is not a major issue. Therefore, this is not a primary disadvantage associated with barbiturates.

Potential for hepatotoxicity: While barbiturates can have some hepatic metabolism, they are not typically known for causing hepatotoxicity as a primary adverse effect. Other drugs, such as certain antipsychotics and acetaminophen, have a higher association with liver toxicity.

EXPLANATION

✔Correct answer:

The diaphragm is best for detecting high-pitched sounds. The diaphragm of a stethoscope is designed to detect high-pitched sounds, which are commonly produced by normal heart sounds (S1 and S2), lung sounds, and some bowel sounds. High-pitched sounds are best heard with firm pressure applied to the diaphragm. This component works by detecting vibrations at a higher frequency, which is why it is preferred for auscultating sounds that are sharper and more acute in nature, such as breath sounds and most heart sounds.

Usage of the Bell and Diaphragm:  

The bell, on the other hand, is specifically designed to detect low-pitched sounds, such as heart murmurs and certain abnormal heart sounds like S3 and S4. It is used with light pressure, as pressing too firmly can cause the skin beneath the bell to act as a diaphragm, reducing the ability to detect lower frequencies.

Think of the diaphragm as a magnifying glass that allows you to closely examine sharp, clear details (high-pitched sounds), while the bell acts like a soft filter, helping you focus on deeper, softer noises (low-pitched sounds). Using each side effectively allows a nurse to catch a broader range of sounds in the patient's body.

Nurse Jasmine should follow these tips to optimize her assessment when using the stethoscope.

• Use the diaphragm for auscultating lung fields, normal heart sounds (S1 and S2), and bowel sounds.
• Apply firm pressure when using the diaphragm to accurately detect high-pitched sounds.
• Use the bell for auscultating low-pitched heart sounds like murmurs, S3, and S4 heart sounds.
• Apply light pressure when using the bell to prevent dampening of low-frequency sounds.
• Ensure a quiet environment to maximize the accuracy of sound detection during auscultation.

✘Incorrect answer options:

The bell is best for detecting high-pitched sounds: This statement is incorrect as the bell is used to detect low-pitched sounds, not high-pitched ones. It is especially useful for picking up subtle sounds like heart murmurs and certain abnormal heart sounds.

The bell is best for detecting thrills: Thrills are palpable vibrations associated with turbulent blood flow, usually due to a loud heart murmur. They are felt with the hand rather than heard with the stethoscope, so the bell is not used to detect thrills.

The diaphragm is best for detecting low-pitched sounds: This is incorrect because the diaphragm is actually designed for high-pitched sounds. It would not be effective for low-pitched sounds, which are better detected by the bell with light pressure.

EXPLANATION

✔Correct answer:

32 drops per minute. To calculate the correct IV drip rate, Nurse Carla needs to use the following formula:

Drip Rate (drops/min) = (Total Volume (mL) / Total Time (min)) × Drop Factor (drops/mL)

Step-by-Step Calculation:

1. Total Volume: 1,000 mL

2. Total Time: 8 hours, which needs to be converted to minutes.

8 hours × 60 minutes/hour = 480 minutes

3. Drop Factor: 15 drops per mL

Now, plug these values into the formula:

Drip Rate = (1,000 mL / 480 min) × 15 drops/mL

4. Calculate the Volume per Minute:

1,000 mL ÷ 480 min = 2.08 mL per minute

5. Calculate the Drip Rate:

2.08 mL per minute × 15 drops/mL ≈ 31.25 drops per minute

Rounding to the nearest whole number, Nurse Carla should set the IV drip rate to approximately 32 drops per minute.

Think of this calculation like watering a garden. If you need to deliver a specific amount of water over a set time, you’d adjust the flow to match that target. Similarly, Nurse Carla adjusts the IV drip rate to ensure the patient receives the fluid at the correct pace.

Nurse Carla should also:

• Double-check the prescribed infusion rate to confirm accuracy.
• Periodically monitor the IV flow rate to ensure it remains at the correct pace throughout the infusion.
• Inspect the IV site regularly for signs of infiltration, phlebitis, or other complications.
• Adjust the flow rate as needed if there are any interruptions in the infusion.

✘Incorrect answer options:

15 drops per minute. This rate would deliver only half of the required volume over 8 hours, leading to an incomplete infusion.

21 drops per minute. This rate would deliver less than the required amount and result in a slower infusion, so the patient would not receive the full 1,000 mL over 8 hours.

125 drops per minute. This rate is too high and would complete the infusion far too quickly, potentially overloading the patient with fluids in a short time.

EXPLANATION

✔Correct answer:

Sensory impairments. Sensory impairments (such as diminished vision and hearing) are common among elderly patients and can significantly affect their ability to retain information about medications. When a patient has difficulty seeing or hearing, it can interfere with their ability to fully receive and process instructions provided by healthcare providers. For instance, hearing loss may cause the patient to miss parts of verbal instructions, while visual impairments can make it challenging to read medication labels or educational materials. By recognizing sensory impairments, Nurse Brenda can adjust her teaching methods to accommodate these needs, such as speaking clearly, using large-print materials, or providing written information that the patient can reference later.

Imagine trying to follow a recipe if you couldn’t clearly read the instructions or hear someone explaining the steps. It would be harder to understand and remember what to do. Similarly, sensory impairments can make it more challenging for elderly patients to understand and retain information about their medications.

Nurse Brenda can take the following steps to enhance understanding and retention of medication information for geriatric patients with sensory impairments:

• Use large-print handouts or visual aids to make written information more accessible.
• Speak slowly and clearly, ensuring the patient can hear and understand the instructions.
• Encourage the patient to repeat back key information to confirm understanding.
• Involve family members or caregivers in education, as they can reinforce instructions and assist with adherence.

✘Incorrect answer options:

Decreased plasma drug levels. Decreased plasma drug levels relate to how the body metabolizes a medication and do not impact a patient’s ability to learn or retain information.

Limited family support. While family support can play a role in medication adherence, a lack of family support does not directly affect the patient’s cognitive ability to retain medication information. Sensory impairments are a more direct barrier to understanding.

A history of Tourette syndrome. Tourette syndrome, characterized by involuntary tics, does not impact memory or the ability to retain information about medications. Sensory impairments are a more relevant factor in this context.

EXPLANATION

✔Correct answer:

38.9°C. To convert Fahrenheit to Celsius, Nurse Jenna can use the formula:

C = (F - 32) × 5/9

Step-by-Step Calculation:

1. Start with the Fahrenheit temperature: 102°F

2. Subtract 32 from the Fahrenheit temperature:

102 - 32 = 70

3. Multiply by 5/9:

70 × 5/9 ≈ 38.9

Therefore, the equivalent temperature in Celsius is approximately 38.9°C.

Think of Fahrenheit to Celsius conversion like adjusting a recipe for a different measurement system. Just like you need to make specific calculations to go from cups to grams, converting temperature units requires a formula to ensure accuracy.

Documenting temperature accurately in both units is important for:

• Communicating effectively with international healthcare providers who may use Celsius.
• Ensuring consistent patient records, especially when units vary based on hospital standards.
• Monitoring trends in a patient’s temperature to assess their response to treatment or interventions.

✘Incorrect answer options:

39°C. While close, 39°C is a rounded estimate rather than the precise conversion of 38.9°C.

47°C. This is much higher than the correct answer, likely due to an incorrect application of the formula.

40.1°C. This is higher than the actual temperature of 38.9°C, indicating an overestimation.

EXPLANATION

✔Correct answer:

Handing surgical instruments directly to the surgeon.  In the operating room, the scrub nurse plays a crucial role in supporting the surgeon by managing and maintaining the sterile field and providing instruments, sponges, and other items required throughout the surgery. The scrub nurse is responsible for anticipating the surgeon's needs and handing each instrument directly to them, which ensures the procedure runs smoothly without interruptions. This task is central to the scrub nurse’s role, as it minimizes the need for the surgeon to break focus from the procedure and maintains the sterile environment essential for infection control.

Surgery is an invasive procedure where sterility is vital to prevent postoperative infections. By working within the sterile field, the scrub nurse helps maintain aseptic technique, directly handing the surgeon only sterile instruments and materials. This reduces the risk of contamination, ensuring patient safety. The scrub nurse's ability to anticipate the surgeon’s needs and provide instruments quickly also prevents delays that could impact surgical outcomes.

Think of the scrub nurse as a highly skilled stage assistant for a magician. The assistant must anticipate the magician's next move and have the necessary props ready, allowing the magician to perform smoothly without losing the audience’s attention. Similarly, the scrub nurse ensures the surgeon has exactly what they need at the right time, keeping the focus on the patient’s care.

To fulfill the role of a scrub nurse effectively, there are several key practices that must be maintained throughout the surgery:

• Prepare and verify all instruments: Ensure all necessary tools are sterile and available before the procedure starts.
• Conduct instrument and sponge counts: Perform counts before, during, and after surgery with the circulating nurse to prevent retention of foreign objects in the patient.
• Anticipate and identify instruments: Prepare instruments in sequence based on the type and stage of the procedure to streamline the surgery.
• Maintain aseptic technique: Adhere to strict sterile protocols to minimize the risk of infection.
• Communicate efficiently: Coordinate effectively with the surgeon and the surgical team to ensure smooth procedural flow.

✘Incorrect answer options:

Helping position the patient on the operating table. While patient positioning is a vital part of preparing for surgery, it is typically the responsibility of the circulating nurse and other support staff, rather than the scrub nurse. The scrub nurse is primarily focused on preparing the sterile field and ensuring the surgical tools are ready.

Assisting with gowning and gloving the surgical team. Although the scrub nurse may assist the surgeon and other team members with gowning and gloving to maintain sterility, this is not their primary responsibility. Gowning and gloving is a one-time task at the start of the procedure, after which the scrub nurse’s primary role shifts to managing the sterile field and instruments.

Placing surgical drapes over the patient. While placing sterile drapes over the patient is often part of the initial setup, it is not the main responsibility of the scrub nurse. Draping is usually done collaboratively by the surgical team to establish a sterile field, and once complete, the scrub nurse’s primary focus becomes handling and passing instruments.

EXPLANATION

✔Correct answer:

Cool, pale fingers. Cool, pale fingers are an abnormal finding in a patient with a wrist-safety device (or restraint) in place, as they may indicate compromised circulation. This could be due to the restraint being applied too tightly, which can restrict blood flow to the hand and fingers. Normal circulation should result in warm, pink fingers. Any sign of circulatory impairment, such as coolness and pallor, requires immediate attention to prevent tissue damage or other complications. Nurse Thomas should adjust or loosen the restraint, reassess circulation, and document his findings.

Imagine putting a rubber band tightly around your wrist—it would make your hand feel cold and look pale due to reduced blood flow. Similarly, a wrist restraint that's too tight can cut off circulation, leading to cool, pale fingers.

If Nurse Thomas finds cool, pale fingers in a patient with a wrist restraint, he should:

• Loosen or adjust the restraint to restore blood flow to the affected area.
• Reassess the fingers for warmth, color, and pulse to ensure circulation is adequate.
• Document the findings, including any changes made to the restraint and the patient’s response.
• Continue regular checks of the restraint site, ideally every 1-2 hours, to monitor for any signs of compromised circulation.

✘Incorrect answer options:

A palpable radial pulse. A palpable radial pulse is a normal finding, indicating that there is adequate blood flow to the hand despite the restraint.

A palpable ulnar pulse. A palpable ulnar pulse is also a normal finding, indicating good circulation in the hand. Both radial and ulnar pulses being palpable suggests the restraint is not overly restrictive.

Pink nail beds. Pink nail beds are a sign of adequate oxygenation and circulation, which is a normal and desired finding. Pale or blue nail beds would indicate poor circulation, but pink nail beds do not.

EXPLANATION

✔Correct answer:

The patient’s cognitive abilities.When assessing a patient before administering medication, the most crucial human element to consider is the patient's cognitive abilities. Cognitive function affects the patient’s ability to understand medication instructions, adhere to the prescribed regimen, and recognize any adverse effects. Patients with impaired cognitive abilities may struggle with remembering dosages, understanding complex instructions, or identifying potential side effects, which can lead to non-adherence, overdose, or adverse reactions. Therefore, assessing cognitive function is essential to ensure safe and effective medication administration.

Cognitive assessment is particularly important in populations at risk, such as elderly patients, individuals with neurological impairments, or those with mental health conditions. If cognitive impairment is identified, nurses can implement interventions such as simplifying instructions, using pill organizers, involving caregivers, or setting reminders to support safe medication management.

Think of medication administration as a set of directions on a map. If someone has trouble reading or following the map due to cognitive issues, they may get lost or take wrong turns. Similarly, patients with cognitive challenges might not follow medication directions correctly, putting them at risk of adverse effects.

Nurse Maria should consider the following strategies when assessing and supporting patients with cognitive limitations to ensure safe medication administration.

• Assess the patient's cognitive abilities to determine if they can understand and follow the medication regimen.
• Provide clear, simplified instructions, using visuals or written reminders if necessary.
• Involve family members or caregivers in the teaching process, especially for patients with significant cognitive impairments.
• Consider using pill organizers or electronic reminders to help the patient manage their medication schedule.
• Evaluate the patient’s understanding by asking them to repeat instructions back or demonstrate how they will take their medication.

✘Incorrect answer options:

The patient’s ability to recover: While assessing a patient’s potential for recovery is important for overall treatment planning, it does not directly impact their immediate ability to understand and follow medication instructions. Recovery potential is a broader consideration, rather than a direct factor in safe drug administration.

The patient’s occupational hazards: Although occupational hazards may influence a patient's risk for exposure to certain toxins or injuries, this factor is less relevant to medication administration. It does not typically impact a patient’s ability to understand and comply with medication instructions.

The patient’s socioeconomic status: Socioeconomic factors can influence medication access and affordability, but they do not directly affect a patient’s ability to comprehend or adhere to medication instructions. Socioeconomic considerations are essential for long-term planning but are secondary when considering immediate cognitive factors for safe drug administration.

EXPLANATION

✔Correct answer:

Use a professional medical interpreter to explain the instructions in the patient’s preferred language. The best approach to ensure that the patient understands their wound care instructions is to use a professional medical interpreter. When language barriers exist, a qualified interpreter can provide clear, accurate, and culturally sensitive communication, which is crucial for patient safety and adherence to post-surgical care. Professional interpreters are trained to convey medical terminology and instructions precisely, reducing the risk of misunderstandings that could lead to complications or improper care.

Importance in Nursing Practice: Accurate communication is essential for effective discharge planning, especially after a surgical procedure like gallbladder removal. Miscommunication due to language barriers can lead to poor wound care, infections, or readmission. Professional medical interpreters are bound by confidentiality and ethical standards, ensuring both accuracy and patient privacy, which may not be guaranteed when relying on family members or unqualified individuals.

Imagine trying to follow detailed instructions to assemble a piece of furniture when the instructions are in another language. If a professional translator explains each step, you're more likely to assemble it correctly, rather than if a friend with basic knowledge of the language tries to help. Similarly, a medical interpreter ensures that patients receive the exact information needed for their recovery.

✘Incorrect answer options:

Speak slowly and loudly while explaining the instructions in English. Speaking slowly and loudly does not help a patient who has limited English proficiency. Language comprehension is not improved by speaking louder, and this approach can sometimes be perceived as disrespectful. Effective communication requires that the information be delivered in a language the patient understands, which is best achieved through an interpreter.

Provide written instructions in English for the patient to review at home. Written instructions in English are not helpful if the patient cannot read or understand English well. This approach could lead to confusion and a lack of adherence to care instructions. Written instructions should be provided in the patient’s preferred language, ideally in addition to verbal instructions through an interpreter.

Ask a bilingual family member to translate the instructions. While it may seem convenient to ask a bilingual family member to translate, this option is not recommended due to potential inaccuracies and confidentiality concerns. Family members may inadvertently omit or misunderstand critical information, especially if they are not trained in medical terminology. Additionally, this approach can compromise the patient’s privacy and autonomy.

EXPLANATION

✔Correct answer:

Leave the bed in the high position when finished.  When preparing a surgical bed, the correct step is to leave the bed in the high position. This is because a surgical bed is intended for a patient who will be returning from the operating room, often still under the effects of anesthesia or in a semi-conscious state. Leaving the bed in a high position makes it easier for the surgical team and nurses to transfer the patient safely from the stretcher to the bed with minimal effort and risk of injury to both the patient and the staff. After the patient is settled, the bed can be adjusted to a lower position for safety.

Key Points in Preparing a Surgical Bed:

A surgical bed is prepared in a way that facilitates smooth and safe transfer from stretcher to bed and ensures patient comfort and safety. It is usually left open, with sheets folded down on one side to make it accessible for transferring the patient.

Imagine a surgical bed like a “landing pad” that needs to be ready for a smooth arrival. Keeping it in the high position makes it accessible for an easy transfer, like aligning the height of a dock for a boat coming in.

Nurse Hannah should also consider the following steps when preparing a surgical bed for a patient returning from surgery.

• Ensure the bed is in the high position to facilitate an easy transfer from the stretcher.
• Position the top linens (sheet and blanket) folded back or fan-folded to one side of the bed, allowing for easy access during transfer.
• Remove any unnecessary pillows or extra linens from the bed to keep the area clear and safe.
• Have all necessary supplies ready for post-operative care, such as oxygen setup, suction equipment, and monitoring devices.
• Once the patient is transferred, adjust the bed to a safe, low position and raise side rails as needed to prevent falls.

✘Incorrect answer options:

Place the pillow at the head of the bed: The pillow is typically removed or placed aside initially because patients returning from surgery may have altered levels of consciousness or might need to lie flat, especially if they received anesthesia. Once the patient is stable and positioned correctly, the pillow can be added if appropriate.

Roll the patient to the far side of the bed: This option is incorrect because rolling a post-operative patient, especially one who is still under anesthesia or partially sedated, can be unsafe and uncomfortable. Proper technique for transferring a patient from a stretcher involves carefully sliding or lifting, rather than rolling, to avoid strain or injury.

Tuck the top sheet and blanket under the bottom of the bed: Tucking in the top sheet and blanket is not ideal for a surgical bed, as it hinders quick and easy access to the linens during transfer. For a surgical bed, the top sheet and blanket are usually folded or fan-folded to one side, allowing a smooth transfer without obstructions.

EXPLANATION

✔Correct answer:

¾ mL. To calculate the correct amount of heparin Nurse Rachel should draw up, we need to use the concentration on the vial and apply a simple dosage calculation.

The concentration of the heparin vial is 10,000 units per 1 mL. The prescribed dose is 7,500 units. We can use the following formula to determine the correct volume:

Volume to Administer (mL) = (Prescribed Dose (units) / Concentration (units per mL))

Step-by-Step Calculation:

1. Plug in the values:

Volume = 7,500 units / 10,000 units per mL

2. Calculate:

Volume = 0.75 mL

Therefore, Nurse Rachel should draw up 0.75 mL (or ¾ mL) of heparin for each dose.

Think of dividing a full glass of water into portions. If 1 mL equals 10,000 units, then 0.75 mL would contain 7,500 units, just like pouring 3/4 of a glass would give you a specific, smaller amount.

When preparing to administer heparin, Nurse Rachel should also:

• Double-check the prescription and concentration to ensure accuracy, as heparin is a high-alert medication.
• Use a syringe calibrated for smaller volumes to measure 0.75 mL precisely.
• Administer the heparin subcutaneously in an area with adequate subcutaneous tissue, typically in the abdomen, while rotating injection sites to minimize bruising.
• Monitor the patient for any signs of bleeding, as heparin increases the risk of bleeding complications.

✘Incorrect answer options:

¼ mL. This would only provide 2,500 units of heparin, which is significantly less than the prescribed dose of 7,500 units.

½ mL. This would provide 5,000 units of heparin, which is also less than the required dose.

1 ¼ mL. This would provide 12,500 units of heparin, which is more than the prescribed dose and could lead to an overdose.

EXPLANATION

✔Correct answer:

Clean the area from the center outward in a circular pattern. The correct technique for cleaning around a Jackson-Pratt (JP) drain site is to clean from the center outward in a circular pattern. This method is essential to prevent infection, as it minimizes the risk of introducing pathogens to the area closest to the drain site, which is the most vulnerable to infection. By starting at the center (near the drain site) and moving outward, Nurse Alex ensures that any potential contaminants are moved away from the wound, keeping the area as sterile as possible.

The center-outward technique is a standard wound care practice because it follows aseptic principles. This method ensures that bacteria and debris from the surrounding skin are moved away from the incision or drain site rather than toward it, reducing the risk of introducing contaminants into the wound.

Imagine you have a clean spot in the middle of a dusty table. If you wipe outward from the center, you push the dust away from the clean spot, keeping it clean. The same principle applies when cleaning a wound or drain site.

Nurse Alex should take these additional precautions when cleaning around a JP drain to reduce infection risk and ensure proper wound care.

• Use sterile gloves and maintain aseptic technique throughout the procedure to prevent introducing pathogens to the drain site.
• Use a new sterile swab or gauze for each outward stroke to avoid reintroducing bacteria to the wound site.
• Monitor the area around the drain for signs of infection, such as redness, warmth, swelling, or unusual drainage, and report any abnormalities to the healthcare provider.
• Educate the patient on the importance of keeping the drain site clean and dry to reduce infection risk.
• Document the appearance of the site, the condition of the surrounding skin, and any changes in drainage to track the patient's healing progress.

✘Incorrect answer options:

Take out the drain before cleaning the skin around it: This option is incorrect because a Jackson-Pratt drain should only be removed by a healthcare provider when it is no longer needed. Removing the drain prematurely can disrupt the wound healing process and increase the risk of infection.

Use alcohol and clean briskly around the drain site: Alcohol is generally not recommended for cleaning wound sites, as it can be too harsh on tissue and may delay healing. Additionally, brisk cleaning could disrupt the site and introduce pathogens if not done gently.

Wear sterile gloves and a mask during the procedure: While wearing sterile gloves is essential to maintain asepsis, a mask is typically not required for routine drain site cleaning. However, the correct cleaning technique (center to outward) is more critical in preventing infection than wearing a mask.

EXPLANATION

✔Correct answer:

The patient's description of their pain. Subjective data refers to information that comes directly from the patient and is based on their personal experiences, feelings, or perceptions. The patient’s description of their pain is considered subjective data because it reflects what the patient reports about their experience, which cannot be measured or observed directly by the nurse. Subjective data often includes symptoms such as pain, nausea, fatigue, or anxiety, and it provides valuable insight into how the patient is feeling.

Think of subjective data like a person’s opinion about how spicy a dish tastes—only they can describe their experience. In the same way, a patient’s report of pain is personal and can’t be objectively measured by someone else.

When collecting subjective data, Nurse Olivia should:

• Encourage the patient to describe their symptoms in their own words, without leading questions.
• Use a pain scale or other tools to help quantify subjective data, making it easier to track over time.
• Document the patient’s exact words, as this information can guide care decisions and communicate the patient’s experience to the rest of the healthcare team.
• Consider subjective data in conjunction with objective findings (e.g., vital signs) for a comprehensive assessment.

✘Incorrect answer options:

Vital signs. Vital signs, such as temperature, blood pressure, heart rate, and respiratory rate, are objective data because they can be directly measured and observed by the nurse.

Laboratory test results. Laboratory results provide quantifiable information, such as blood counts or electrolyte levels, which are considered objective data since they are obtained through testing and measurement.

Electrocardiographic (ECG) waveforms. ECG waveforms represent electrical activity in the heart and provide observable, measurable information. Thus, they are also classified as objective data.

EXPLANATION

✔Correct answer:

Educator. Educator because Nurse Sarah is actively teaching Mrs. Lee about her post-surgery care. By asking Mrs. Lee to repeat back the medication instructions, Nurse Sarah is using the "teach-back" method, which is a widely accepted technique to assess a patient's understanding of the information provided. This is an essential component of the nurse's role as an educator, ensuring that patients understand their care instructions and are prepared to manage their health independently after discharge. Effective patient education is especially important in post-surgical situations, as patients need to understand medication schedules, wound care, signs of complications, and activity restrictions to promote healing and prevent adverse outcomes.

The educator role involves providing clear, relevant information tailored to the patient's needs and verifying comprehension. This ensures the patient has the knowledge necessary for self-care, which can improve compliance and outcomes. Education also empowers patients and reduces anxiety by giving them control over their own health management.

Think of a nurse educator like a coach explaining the rules of a game to a player. After explaining, the coach asks the player to repeat the rules to confirm understanding. This ensures the player knows how to play safely and effectively, just as Nurse Sarah ensures Mrs. Lee knows how to care for herself after surgery.

As an educator, Nurse Sarah should:

• Use the teach-back method to confirm understanding of critical information, like medication instructions and signs of complications.
• Provide written or visual aids that Mrs. Lee can refer to at home, reinforcing the discharge instructions.
• Encourage questions to address any uncertainties or concerns Mrs. Lee may have regarding her care.
• Offer contact information for follow-up support, ensuring Mrs. Lee knows where to go if she has additional questions after discharge.

✘Incorrect answer options:

Manager. The role of a manager involves overseeing and coordinating care, ensuring resources are effectively utilized, and sometimes delegating tasks within a healthcare team. While Nurse Sarah is managing Mrs. Lee's discharge, the primary focus in this situation is education, not care coordination or resource management.

Caregiver. The caregiver role involves providing direct physical care, emotional support, and comfort to the patient. In this case, Nurse Sarah is focused on providing education rather than direct care, making "Caregiver" an incorrect choice.

Patient advocate. While advocating for patients is an essential part of nursing, advocacy involves representing the patient’s needs and ensuring their rights and preferences are respected. Here, Nurse Sarah's primary function is educational, ensuring Mrs. Lee understands her post-operative care, rather than acting as an advocate.

EXPLANATION

✔Correct answer:

Restlessness and agitation. Restlessness and agitation are early signs of shock, particularly hypovolemic shock, which may occur after a major surgery such as a total abdominal hysterectomy. These symptoms result from decreased oxygen delivery to the brain due to reduced blood volume or decreased cardiac output, which is common in the initial stages of shock. Patients in the early stages of shock often exhibit neurological symptoms, such as anxiety, restlessness, or agitation, as the body attempts to compensate for reduced perfusion by increasing sympathetic nervous system activity.

In response to reduced blood flow and oxygen delivery, the body releases stress hormones like adrenaline, causing an increase in heart rate and feelings of anxiety or restlessness. These neurological symptoms are often the earliest indicators of shock, preceding more obvious signs like hypotension or cool, clammy skin.

Think of restlessness and agitation as an "alarm" system going off in the body when something is wrong with blood flow. Just like a fire alarm might start making noise before you actually see flames, these symptoms appear before more severe signs of shock become evident.

Nurse Sarah should take the following actions to monitor and respond to potential early signs of shock.

• Continuously monitor vital signs, particularly blood pressure and heart rate, to detect any trends indicating deteriorating cardiovascular status.
• Assess skin color, temperature, and capillary refill as additional indicators of perfusion.
• Evaluate mental status regularly for changes in alertness, orientation, or increasing anxiety or confusion.
• Notify the healthcare provider immediately if signs of early shock are detected, as timely intervention is crucial.
• Be prepared to initiate supportive measures, such as IV fluid administration, as ordered, to improve perfusion and stabilize the patient.

✘Incorrect answer options:

Pale, warm, and dry skin: Although pale skin can be a sign of shock, in the early stages of hypovolemic shock, skin is often cool and clammy due to peripheral vasoconstriction. "Warm and dry" skin would be less typical in shock, especially in the early stages where the body tries to maintain blood flow to vital organs.

Heart rate elevated to 110 beats per minute: An elevated heart rate is a common compensatory response to shock; however, on its own, it is not the most specific early indicator. Restlessness and agitation are more direct early indicators of inadequate perfusion to the brain, whereas an increased heart rate could be due to various factors, including pain or anxiety.

Urine output measured at 30 mL per hour: A urine output of 30 mL per hour is generally considered acceptable and within normal range for an adult, particularly postoperatively. Decreased urine output can indicate worsening shock, but 30 mL/hr is not yet concerning.

EXPLANATION

✔Correct answer:

Primary prevention. The workplace health initiative that encourages employees to engage in physical exercise falls under primary prevention. Primary prevention involves activities and interventions aimed at preventing the onset of disease or injury before it occurs. This level of prevention promotes overall wellness and reduces risk factors associated with chronic diseases such as heart disease, diabetes, and obesity. By providing an exercise area and encouraging its use, the company is actively promoting a healthy lifestyle, which helps prevent the development of health issues.

Levels of Health Promotion Explained:

• Primary Prevention: Activities and strategies that prevent disease or injury before they happen. This includes vaccination programs, promoting physical activity, healthy diet initiatives, and smoking cessation programs.
• Secondary Prevention: Focuses on early detection and treatment of diseases to halt progression. Examples include screenings like mammograms, blood pressure checks, and blood sugar tests to detect issues in their early stages.
• Tertiary Prevention: Involves managing and improving quality of life for individuals with chronic illness or permanent disability. Examples include rehabilitation programs, support groups, and ongoing medical treatment for managing conditions.

Think of primary prevention as maintaining a car by routinely changing the oil and checking the tires, which helps prevent breakdowns. Secondary prevention is like getting the car checked when you hear a noise, and tertiary prevention is like repairing the car after it has already broken down.

Nurse Alex can encourage and support primary prevention initiatives by educating employees about the benefits of regular exercise and other wellness activities in the workplace.

• Educate employees on the importance of regular physical activity in preventing chronic diseases.
• Organize group exercise sessions or provide resources to help employees use the exercise area effectively.
• Encourage employees to set personal fitness goals and celebrate their progress.
• Collaborate with management to provide incentives for regular exercise, like reduced health premiums or wellness points.
• Monitor and evaluate the effectiveness of the initiative by tracking participation and gathering feedback.

✘Incorrect answer options:

Secondary prevention: Secondary prevention involves early detection and intervention for existing health conditions. Examples include screenings or check-ups to detect diseases in early stages. Encouraging exercise in healthy individuals does not align with secondary prevention, as it is aimed at preventing disease onset rather than early detection.

Tertiary prevention: Tertiary prevention focuses on managing and improving the quality of life for individuals who already have chronic illnesses or disabilities. It includes rehabilitation and treatment efforts for existing conditions. In this case, the initiative is intended for healthy employees and is aimed at preventing disease, not managing an existing condition.

Passive prevention: Passive prevention usually refers to efforts that do not require active participation by individuals, such as fluoridation of public water to prevent dental caries or air quality regulations. The exercise area requires active employee participation, so this initiative does not fall under passive prevention.

EXPLANATION

✔Correct answer:

Within 6 months. Controlled substance prescriptions in the United States, specifically Schedule III and IV drugs (such as certain analgesics), must generally be filled within 6 months from the date they are written. After 6 months, the prescription becomes invalid and cannot be filled at the pharmacy. This regulation is in place to ensure that controlled medications, which have a higher risk of misuse or dependency, are closely monitored.

The Drug Enforcement Administration (DEA) has established strict guidelines for controlled substances to prevent abuse and diversion. Schedule II drugs (e.g., stronger opioids like oxycodone) have even stricter regulations, often requiring the prescription to be filled immediately and not allowing refills. For Schedule III and IV drugs, however, the 6-month limit is standard, and refills (if authorized by the prescriber) can be issued within that timeframe.

Think of the prescription as a ticket with an expiration date. Just like you can only use a concert ticket before the event date, a controlled substance prescription has a "use by" period, which in this case is 6 months. After this time, the "ticket" is no longer valid, and a new prescription would be required.

When educating patients about controlled substance prescriptions, Nurse Claire should emphasize the following points to ensure safe and compliant medication use.

• Inform the patient that the prescription must be filled within 6 months from the date it was written, or it will expire.
• Discuss the importance of taking the medication exactly as prescribed to avoid misuse and potential dependency.
• Advise the patient to securely store the medication to prevent unauthorized access, especially by children or others who may misuse it.
• Encourage the patient to schedule a follow-up appointment if a refill or further assessment for pain management is needed before the 6-month period ends.
• Remind the patient to dispose of any unused medication properly, according to pharmacy guidelines or through a medication take-back program.

✘Incorrect answer options:

Within 1 month: This time frame is too short for most Schedule III and IV controlled substances, which are valid for up to 6 months. A 1-month period might apply to certain regulations for Schedule II medications in specific settings, but not typically for Schedule III and IV.

Within 3 months: This option is incorrect, as controlled substance prescriptions in Schedules III and IV are valid for 6 months from the date they were written, not just 3 months.

Within 12 months: This time frame is too long, as prescriptions for controlled substances (Schedules II, III, and IV) are not valid beyond 6 months due to federal regulations and the potential for abuse or diversion if not closely monitored.

EXPLANATION

✔Correct answer:

"Let’s sit down and talk about what’s bothering you." This response demonstrates therapeutic communication, an essential nursing approach to alleviating anxiety. By inviting Mrs. Rivera to express her concerns, Nurse Carla is acknowledging the patient's feelings and providing a safe space to discuss them. This approach is likely to reduce anxiety because it allows the patient to voice specific worries, which can help Nurse Carla address them directly and offer reassurance tailored to the patient’s needs. Listening actively and showing empathy are key elements in reducing anxiety, as they make the patient feel understood and supported.

Therapeutic communication includes active listening, empathy, and an open-ended invitation to discuss feelings, which helps establish trust between the nurse and patient. In turn, this trust can significantly lower anxiety by making the patient feel seen, heard, and respected.

Imagine feeling anxious about a situation and having someone tell you, "Let’s sit down and talk about what’s bothering you." This feels far more comforting and supportive than someone dismissing your concerns or giving generic advice. It opens the door for you to share your feelings and helps you feel less alone in your worries.

To effectively address Mrs. Rivera’s anxiety, Nurse Carla should:

• Encourage Mrs. Rivera to express her specific concerns or fears, allowing her to feel heard and validated.
• Use active listening techniques, such as maintaining eye contact and nodding, to show engagement and empathy.
• Provide reassurance based on Mrs. Rivera’s expressed concerns, offering information or clarification as needed.
• Teach Mrs. Rivera relaxation techniques (e.g., deep breathing exercises) if appropriate, to help her manage anxiety independently.

✘Incorrect answer options:

"Everything will be fine. Don’t worry." This response is dismissive and minimizes the patient’s concerns. While well-intentioned, telling a patient not to worry may increase anxiety, as it suggests the nurse isn’t taking the patient’s feelings seriously. It fails to provide a supportive or therapeutic outlet for addressing the patient’s worries.

"Read through this manual and ask me if you have any questions." While providing information can sometimes alleviate anxiety, simply handing a manual does not address the patient's immediate emotional needs. Mrs. Rivera may feel that Nurse Carla is too busy or uninterested in her concerns, which could increase her feelings of isolation or anxiety.

"Maybe listening to some music would help you relax." Although listening to music can be a helpful distraction for some patients, this suggestion does not directly address the underlying issues causing Mrs. Rivera’s anxiety. It may be useful as a supplementary strategy, but alone it does not provide the personalized support that therapeutic communication offers.

EXPLANATION

✔Correct answer:

Carotid pulse. In an unconscious adult, the carotid pulse is the preferred pulse point for a rapid assessment of circulation. The carotid arteries are large, central arteries located on either side of the neck and are more reliable for detecting circulation in emergencies because they are closer to the heart. Unlike peripheral pulses (such as the radial), the carotid pulse is usually stronger and easier to detect when blood pressure is low, making it ideal for assessing circulation in critical situations.

During emergencies, especially when the patient is unconscious, assessing a central pulse is crucial. Peripheral pulses may be weak or difficult to detect if the patient’s blood pressure is low. The carotid pulse is both accessible and reliable for quick assessment of cardiac function in adults, allowing healthcare providers to quickly determine if the patient has an adequate circulation or if CPR is necessary.

Think of central pulses like the main water pipeline in a city — even if smaller pipes (peripheral pulses) have reduced flow, the main pipeline (carotid pulse) is likely to still have detectable flow. In emergencies, checking the main "pipeline" helps you quickly gauge the overall circulation status.

When assessing an unconscious adult, Nurse Jamie should consider the following steps to ensure a thorough and safe evaluation of circulation.

• Locate the carotid pulse by placing two fingers (not the thumb, which has its own pulse) gently on one side of the neck, between the trachea and the sternocleidomastoid muscle.
• Assess the pulse for both presence and quality, noting if it is strong or weak, regular or irregular.
• Avoid palpating both carotid arteries simultaneously, as this can restrict blood flow to the brain and cause complications.
• If the carotid pulse is absent or significantly weak, initiate CPR immediately and follow Advanced Cardiovascular Life Support (ACLS) guidelines.
• Document findings and any actions taken based on the assessment of the carotid pulse.

✘Incorrect answer options:

Radial pulse: The radial pulse is a peripheral pulse located on the wrist. In emergency situations with low blood pressure or compromised circulation, the radial pulse may be weak or absent, making it less reliable for quick assessment of central circulation.

Brachial pulse: The brachial pulse, located in the upper arm, is primarily used in infants and young children, where it is easier to palpate. In adults, it is less accessible in emergencies and not ideal for a rapid circulation assessment in an unconscious patient.

Femoral pulse: While the femoral pulse is a central pulse and can be used in emergency settings, it is located in the groin area and may be more difficult to access quickly. The carotid pulse is generally preferred for rapid assessment due to its accessibility in the neck.