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Physiology and Anatomy

MCQ Detail

MCQ Detail

Which hormone is responsible for stimulating the contraction of smooth muscle in the walls of blood vessels?

A

B

C

D

Answer: Epinephrine

Explanation:

Epinephrine (adrenaline), released by the adrenal glands during the fight-or-flight response, stimulates the contraction of smooth muscle in blood vessel walls, leading to vasoconstriction.

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