Zoology · Chemical Control and Coordination

NEET (UG) 2025 — Question 151

Consider the following statements regarding function of adrenal medullary hormones :

A. It causes pupilary constriction

B. It is a hyperglycemic hormone

C. It causes piloerection

D. It increases strength of heart contraction

Choose the correct answer from the options/ given below:

Answer: B

Adrenal medulla secretes epinephrine and norepinephrine which are stress hormones. These hormones cause

vasoconstriction, increase heart rate, and prepare body for fight-or-flight response.

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