A nurse is reviewing the morning laboratory results of electrolytes for four clients who are receiving digoxin. Which of the following clients should the nurse identify as being at risk for developing digoxin toxicity?

A client taking furosemide for chronic hypertension.

A client taking a potassium supplement twice a day.

A client taking aluminum hydroxide for gastric upset.

A client taking chlorpropamide for type 2 diabetes mellitus.

Answer and Explanation

The Correct Answer is A

a. A client taking furosemide for chronic hypertension: Furosemide is a loop diuretic that can

lead to hypokalemia, which increases the risk of digoxin toxicity, as hypokalemia potentiates the effects of digoxin on the heart.

b. A client taking a potassium supplement twice a day: Potassium supplementation reduces the risk of digoxin toxicity, as hypokalemia is a risk factor for toxicity.

c. A client taking aluminum hydroxide for gastric upset: Aluminum hydroxide is an antacid and does not significantly affect digoxin levels.

d. A client taking chlorpropamide for type 2 diabetes mellitus: Chlorpropamide is an oral hypoglycemic agent and does not significantly affect digoxin levels.

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Free Nursing Study Resources

Correct Answer is C

Explanation

a. Circular, erythematous patches on the scalp: This description is more indicative of tinea capitis, a fungal infection affecting the scalp.

b. Recent exposure to poison ivy: Poison ivy exposure would result in a contact dermatitis rash, not tinea pedis.

c. Scaling and redness between the toes: Tinea pedis, also known as athlete's foot, commonly presents with scaling, redness, and itching between the toes.

d. A recent prescription for an antiseizure medication: Antiseizure medications are not associated with the development of tinea pedis.

A. Serum chloride 99 mEq/L B. Serum calcium 10.5 mg/dL C. Serum potassium 5.2 D. Serum sodium 140 mEq/L.

Correct Answer is C

Explanation

a. Serum chloride 99 mEq/L: Serum chloride within the reference range is not an adverse effect of spironolactone.

b. Serum calcium 10.5 mg/dL: Serum calcium within the reference range is not an adverse effect of spironolactone.

c. Serum potassium 5.2: Spironolactone is a potassium-sparing diuretic, and an elevated serum potassium level is an adverse effect that requires monitoring. The nurse should assess for

hyperkalemia.

d. Serum sodium 140 mEq/L: Serum sodium within the reference range is not an adverse effect of spironolactone.

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A nurse is reviewing the morning laboratory results of electrolytes for four clients who are receiving digoxin. Which of the following clients should the nurse identify as being at risk for developing digoxin toxicity?

Nursing Test Bank

Naxlex Comprehensive Predictor Exams

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