A nurse is preparing an in-service about potassium-wasting diuretics. Which of the following medications is a diuretic has a complication of hypokalemia?

Mannitol

Spironolactone (Aldactone)

Furosemide (Lasix)

Metformin

Answer and Explanation

The Correct Answer is C

A.   Mannitol is an osmotic diuretic, and although it can cause dehydration and electrolyte imbalances, it does not specifically cause hypokalemia as a primary side effect.
B.   Spironolactone is a potassium-sparing diuretic, so it is less likely to cause hypokalemia. In fact, it can cause hyperkalemia.
C.   Furosemide is a loop diuretic that increases urine output and can lead to potassium loss, causing hypokalemia. This is a common complication of loop diuretics.
D.   Metformin is an oral antidiabetic medication and is not a diuretic, so it is not associated with hypokalemia.

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Correct Answer is D

Explanation

A. Loperamide (Imodium): This is an anti-diarrheal medication and does not protect mucosal ulcers.
B. Cimetidine (Tagamet HB): Cimetidine is an H2 blocker used to reduce stomach acid, but it does not form a protective barrier like sucralfate.
C. Docusate sodium (Colace): This is a stool softener and is not used for protecting gastric ulcers.
D. Sucralfate (Carafate): Sucralfate is a mucosal protectant that binds to the ulcer and creates a protective barrier, preventing further injury from stomach acid and pepsin.

A. Blood potassium 3.9 mEq/L B. Urine output 500 ml in 5 hours C. Blood potassium 8 mEq D. Urine output 200 mL in 4 hours

Correct Answer is C

Explanation

A. A blood potassium level of 3.9 mEq/L is normal and does not require intervention.
B. Urine output of 500 mL in 5 hours is not concerning and is within the expected range.
C. A blood potassium level of 8 mEq/L is dangerously high, indicating hyperkalemia, which can lead to life-threatening arrhythmias.
D. Urine output of 200 mL in 4 hours could be a concern for dehydration or renal issues, but it is not directly related to spironolactone use.

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A nurse is preparing an in-service about potassium-wasting diuretics. Which of the following medications is a diuretic has a complication of hypokalemia?

Nursing Test Bank

Naxlex Comprehensive Predictor Exams

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