Nursing Elites

1. The LPN/LVN is assisting in caring for a client in the telemetry unit and is monitoring the client for cardiac changes indicative of hypokalemia. Which occurrence noted on the cardiac monitor indicates the presence of hypokalemia?

• A. Tall, peaked T waves
• B. ST-segment depression
• C. Prolonged P-R interval
• D. Widening of the QRS complex

Correct answer: B

Rationale: ST-segment depression can indicate hypokalemia, affecting the heart's electrical conduction. Hypokalemia leads to alterations in the repolarization phase of the cardiac action potential, resulting in ST-segment depression on the ECG. Tall, peaked T waves are indicative of hyperkalemia, not hypokalemia. A prolonged P-R interval is more commonly associated with first-degree heart block. Widening of the QRS complex is typically seen in conditions like bundle branch blocks or ventricular tachycardia, not specifically in hypokalemia.

2. A client has a new prescription for allopurinol. Which of the following instructions should the nurse include?

• A. Take the medication with food.
• B. Increase your fluid intake.
• C. Avoid consuming dairy products.
• D. Take the medication in the morning.

Correct answer: B

Rationale: Increasing fluid intake is essential when taking allopurinol to prevent the formation of kidney stones. Allopurinol can increase the levels of uric acid in the body, which can lead to kidney stone formation. By increasing fluid intake, the client can help flush out excess uric acid and prevent the development of kidney stones. It is important to drink plenty of water throughout the day to maintain adequate hydration and reduce the risk of kidney stone formation. Choices A, C, and D are incorrect. Taking allopurinol with food or in the morning does not specifically relate to preventing kidney stone formation. Avoiding dairy products is not a standard recommendation when taking allopurinol.

3. The client admitted to the hospital with pulmonary edema is preparing for discharge. The client should be reminded of the importance of complying with which measure to prevent a recurrence?

• A. Weigh oneself every morning before breakfast.
• B. Sleep with the head elevated on multiple pillows.
• C. Adjust diuretic dose without healthcare provider guidance.
• D. Take additional digoxin (Lanoxin) as a preventive measure.

Correct answer: A

Rationale: Monitoring weight daily, especially in the morning before breakfast, is crucial in detecting fluid retention early and preventing pulmonary edema. Sudden weight gain can indicate fluid accumulation, prompting timely intervention to prevent complications. Choice A is the correct answer because daily weight monitoring is a key component in managing heart failure and preventing pulmonary edema recurrence. Choices B and D are not directly related to preventing fluid retention or pulmonary edema recurrence. Choice C is unsafe as adjusting diuretic doses without healthcare provider guidance can lead to electrolyte imbalances and worsening of the condition.

4. A client has a new prescription for heparin. Which of the following laboratory results should be monitored to evaluate the effectiveness of the medication?

• A. Prothrombin time (PT)
• B. International normalized ratio (INR)
• C. Activated partial thromboplastin time (aPTT)
• D. Platelet count

Correct answer: C

Rationale: Activated partial thromboplastin time (aPTT) is the laboratory result that should be monitored to evaluate the effectiveness of heparin. Heparin works by prolonging the aPTT, and monitoring this parameter helps ensure the medication's effectiveness and safety in preventing clot formation. Prothrombin time (PT) and International normalized ratio (INR) are used to monitor the effectiveness of warfarin, another anticoagulant. Platelet count is essential to assess platelet function and clotting disorders, but it is not specifically used to monitor heparin therapy.

5. A client with hypertension is prescribed a thiazide diuretic. What instruction should the nurse reinforce to the client?

• A. Take the medication in the morning.
• B. Increase potassium intake in the diet.
• C. Weigh yourself daily.
• D. Limit fluid intake to 2 liters per day.

Correct answer: C

Rationale: The correct answer is to weigh oneself daily. This instruction is important as daily weights help monitor fluid loss and are crucial for detecting early signs of fluid imbalance when taking a diuretic. Weighing daily allows for timely adjustments in treatment and helps prevent complications associated with fluid imbalance. Choice A is not directly related to the client's need for monitoring fluid balance. Choice B, although important for some diuretics, is not specific to thiazide diuretics. Choice D is not appropriate as limiting fluid intake without proper monitoring can lead to dehydration, especially when taking diuretics.

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