MCQ Pharmacology 67
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IV administration of drug X to an anesthetized animal produces an increase in blood pressure. After administration of drug Y, readministration of drug X produces a decrease in blood pressure.
Which of the following pairs of drugs could produce this sequence of events?
.......Drug X............ Drug Y
A. Acetylcholine .....Neostigmine
B. Epinephrine........ Phentolamine
C. Isoproterenol .....Atropine
D. Norepinephrine.....Propranolol
E. Phenylephrine .....Hexamethonium
Category: Pharmacology MCQs
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