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Veterinary Technician

Category - Pharmacology

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Which of the following drugs is an arteriolar vasodilator, which is sometimes used to treat patients with congestive heart failure due to chronic mitral regurgitation?

Dopamine
Oxymetholone
Heparin
Hydralazine

Explanation

Answer: D - Hydralazine is an arteriolar vasodilator, which is sometimes used to treat patients with congestive heart failure due to chronic mitral regurgitation. It relaxes arteriolar smooth muscle and results in a decrease in peripheral vascular resistance.

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