Which of the following medications would be appropriate for heart failure treatment?

Diphenhydramine

Epinephrine

Propylthiouracil (PTU)

Furosemide

Answer and Explanation

The Correct Answer is D

Choice A reason: Diphenhydramine, an antihistamine, treats allergies or sleep issues by blocking histamine, not addressing heart failure’s fluid overload or cardiac dysfunction.

Choice B reason: Epinephrine boosts heart rate and pressure in emergencies like anaphylaxis, but it worsens heart failure by increasing cardiac workload, not reducing fluid.

Choice C reason: Propylthiouracil treats hyperthyroidism by inhibiting thyroid hormone, unrelated to heart failure’s need for fluid management or cardiac support.

Choice D reason: Furosemide, a loop diuretic, reduces fluid overload in heart failure by increasing urine output, relieving pulmonary edema and systemic congestion effectively.

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Correct Answer is A

Explanation

Choice A reason: Hypoparathyroidism lowers PTH, reducing phosphorus excretion, raising serum levels as kidneys reabsorb more, while calcium drops, a classic imbalance.

Choice B reason: Calcium decreases in hypoparathyroidism due to low PTH, impairing bone resorption and gut absorption, opposite to being high, so this is incorrect.

Choice C reason: Magnesium isn’t directly regulated by PTH; hypoparathyroidism doesn’t consistently elevate it, staying normal unless other factors intervene.

Choice D reason: Potassium is unaffected by hypoparathyroidism, controlled by aldosterone and kidneys, not PTH, so it doesn’t rise with this condition.

A. Fluid restriction B. Neomycin C. Kayexalate D. Sodium chloride infusion and furosemide

Correct Answer is C

Explanation

Choice A reason: Fluid restriction doesn’t address hyperkalemia (6.4 mEq/L); it may concentrate potassium further, worsening the condition, as it’s unrelated to potassium excretion or shifting in this scenario.

Choice B reason: Neomycin, an antibiotic, reduces gut bacteria but isn’t used for hyperkalemia. It has no direct effect on potassium levels, making it irrelevant for this lab finding.

Choice C reason: Kayexalate binds potassium in the gut, facilitating its fecal excretion, effectively lowering serum levels (6.4 mEq/L) in hyperkalemia, aligning with urgent correction needs here.

Choice D reason: Sodium chloride and furosemide dilute and excrete potassium via urine, but Kayexalate is preferred for rapid gut-based removal when potassium is critically high (6.4 mEq/L).

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Which of the following medications would be appropriate for heart failure treatment?

Nursing Test Bank

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