Nursing Elites

1. A client with chronic heart failure is being discharged with a prescription for digoxin (Lanoxin). Which instruction should the nurse reinforce?

• A. Take the medication at the same time each day.
• B. Avoid foods high in potassium.
• C. Skip a dose if you feel well.
• D. Take the medication on an empty stomach.

Correct answer: A

Rationale: Taking digoxin at the same time each day is essential to maintain a consistent blood level of the medication. This consistency helps optimize the therapeutic effects of digoxin in managing chronic heart failure. Deviating from the scheduled time could lead to fluctuations in drug levels, affecting its effectiveness and potentially causing harm. Choices B, C, and D are incorrect because avoiding potassium-rich foods, skipping doses when feeling well, and taking the medication on an empty stomach are not relevant or appropriate instructions for a client prescribed digoxin.

2. A client is admitted with coronary artery disease (CAD) and reports dyspnea at rest. What is the nurse's priority intervention?

• A. Elevate the head of the bed.
• B. Administer oxygen.
• C. Perform continuous ECG monitoring.
• D. Apply a nasal cannula.

Correct answer: A

Rationale: The nurse's priority intervention for a client with coronary artery disease (CAD) experiencing dyspnea at rest is to elevate the head of the bed. Elevating the head of the bed helps improve lung expansion and reduces the workload on the heart, aiding in respiratory effort and cardiac function. This intervention is crucial in enhancing oxygenation and optimizing cardiac output in individuals with CAD presenting with dyspnea. Administering oxygen (Choice B) is important but elevating the head of the bed takes precedence as it directly addresses the client's respiratory distress. Continuous ECG monitoring (Choice C) and applying a nasal cannula (Choice D) are relevant interventions but not the priority when a client with CAD reports dyspnea at rest.

3. A client's serum calcium level is 7.9 mg/dL. The nurse is immediately concerned, knowing that this level could lead to which complication?

• A. Stroke
• B. Cardiac arrest
• C. High blood pressure
• D. Urinary stone formation

Correct answer: B

Rationale: A serum calcium level below normal (hypocalcemia) can lead to cardiac arrhythmias and potentially cardiac arrest. Calcium plays a crucial role in cardiac muscle contractility, and low levels can disrupt normal heart function, potentially leading to fatal arrhythmias and cardiac arrest. Choices A, C, and D are incorrect as hypocalcemia is not directly associated with stroke, high blood pressure, or urinary stone formation. The immediate concern with low serum calcium levels is the risk of cardiac complications.

4. The client with deep vein thrombosis (DVT) is receiving anticoagulant therapy. Which laboratory test should the nurse monitor to evaluate the effectiveness of the therapy?

• A. Complete blood count (CBC)
• B. Activated partial thromboplastin time (aPTT)
• C. Serum electrolytes
• D. Liver function tests

Correct answer: B

Rationale: Activated partial thromboplastin time (aPTT) is the correct laboratory test to monitor the effectiveness of anticoagulant therapy, especially with heparin. A prolonged aPTT indicates effective anticoagulation, reducing the risk of further clot formation in the client with deep vein thrombosis (DVT). The other options, such as complete blood count (CBC), serum electrolytes, and liver function tests, do not directly assess the therapeutic effectiveness of anticoagulant therapy. Therefore, the correct answer is B.

5. A client is taking levothyroxine for hypothyroidism. Which of the following findings should indicate to the healthcare provider that the client is experiencing levothyroxine toxicity?

• A. Weight loss
• B. Insomnia
• C. Heat intolerance
• D. Dry skin

Correct answer: C

Rationale: Heat intolerance is a hallmark sign of levothyroxine toxicity. It indicates that the client may be receiving an excessive dose of levothyroxine, leading to hyperthyroid symptoms. This can happen when the dosage is too high, causing the body to have an excess of thyroid hormone. Weight loss is a common symptom of hyperthyroidism but alone does not specifically indicate levothyroxine toxicity. Insomnia can be related to hyperthyroidism but is not a specific sign of levothyroxine toxicity. Dry skin is more commonly associated with hypothyroidism rather than levothyroxine toxicity.

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