Physiology Endocrinology and Reproduction 152776dd

Vasomotor reversal of dale is demonstrated by

Fall in blood pressure by high dose intravenous Ach

Increase in blood pressure following administration of IV propranolol

Fall in blood pressure by ganglionic blocker

Fall in blood pressure by adrenaline pretreated with phentolamine

High-Yield Explanation

Ans. (d) Fall in blood pressure by adrenaline pretreated with phentolamine(Ref: Ganong, 25th ed/p.353)If the subject is given a blocker and then if epinephrine is injected, vasodilation and decrease in BP is seen. This effect is called "Vasomotor reversal of Dale"

Vasomotor reversal of dale is demonstrated by

Related Physiology MCQs

Practice 2,00,000+ NEET PG Questions Free