Pharmacology Question-8

8. A57-year-old man presents with angina. He uses
1 or 2 nitroglycerin tables sublingually when he
experiences chest pain. Which of the following
drugs may interact to cause serious hypotension
if taken 6 hours or less before the nitrate?
(A) clonidine
(B) diltiazem
(C) metronidazole
(D) phentolamine
(E) sildenafil

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