A nurse is caring for a client who is receiving furosemide to treat heart failure. Which of the following laboratory values should the nurse monitor for this client?

Serum potassium

Serum amylase

Serum triglyceride

Serum cholesterol

Answer and Explanation

The Correct Answer is A

a. Serum potassium: Furosemide is a loop diuretic that can lead to potassium loss, potentially causing hypokalemia. Monitoring potassium levels is crucial to prevent complications such as cardiac arrhythmias.

b. Serum amylase: This is not directly related to furosemide therapy. Amylase is an enzyme associated with pancreatic and salivary function.

c. Serum triglyceride: Furosemide does not typically have a direct impact on serum triglyceride levels.

d. Serum cholesterol: Furosemide does not typically have a direct impact on serum cholesterol levels.

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Correct Answer is D

Explanation

a. Blood glucose 150 mg/dL: While elevated blood glucose may be a concern, potassium levels are more critical in the context of acute gastroenteritis, which can lead to fluid and electrolyte

imbalances.

b. Urine specific gravity 1.035: Elevated urine specific gravity indicates concentrated urine and possible dehydration. However, the low potassium level takes precedence as it can lead to

serious cardiac complications.

c. Weight loss of 3% of total body weight: Weight loss is a concern, but the immediate risk of hypokalemia (low potassium) takes priority.

d. Potassium 2.5 mEq/L: This low potassium level is a critical finding that requires prompt attention, as it can lead to cardiac dysrhythmias and other serious complications.

A. Complete heart block B. Atrial fibrillation C. Sinus tachycardia D. First-degree AV block.

Correct Answer is B

Explanation

a. Complete heart block: Complete heart block would typically present with a regular ventricular rate, but with no association between P waves and QRS complexes.

b. Atrial fibrillation: Atrial fibrillation is characterized by the absence of identifiable P waves and an irregular ventricular rate. The atria fibrillate, leading to chaotic electrical activity and an irregular ventricular response.

c. Sinus tachycardia: Sinus tachycardia is characterized by a regular ventricular rate and identifiable P waves. It is not associated with the absence of P waves.

d. First-degree AV block: First-degree AV block is characterized by a prolonged PR interval, but it does not result in the absence of P waves. The relationship between P waves and QRS

complexes is maintained.

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A nurse is caring for a client who is receiving furosemide to treat heart failure. Which of the following laboratory values should the nurse monitor for this client?

Nursing Test Bank

Naxlex Comprehensive Predictor Exams

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Correct Answer is D

Explanation

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Correct Answer is B

Explanation

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