The nurse is caring for four clients on a renal failure unit and recognizes which drug as safe to administer to a client with hypokalemia?
1. Amiloride (Midamor)
2. Chlorothiazide (Diuril)
3. Bumetanide (Bumex)
4. Ethacrynic acid (Edecrin)
Correct Answer: 1
Rationale 1: Amiloride is a potassium-sparing diuretic.
Rationale 2: Chlorothiazide is a thiazide diuretic and would exacerbate hypokalemia.
Rationale 3: Bumetanide is a loop diuretic and causes hypokalemia.
Rationale 4: Ethacrynic acid is a potassium-wasting diuretic.
Global Rationale: Amiloride is a potassium-sparing diuretic and is safe to administer. Chlorothiazide is a thiazide diuretic and would exacerbate hypokalemia. Bumetanide is a loop diuretic and causes hypokalemia. Ethacrynic acid is a potassium-wasting diuretic.
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