Zoology · Excretory Products and their Elimination

NEET (UG) 2023 — Question 143

Which of the following statements are correct?

A. An excessive loss of body fluid from the body switches off osmoreceptors.

B. ADH facilitates water reabsorption to prevent diuresis.

C. ANF causes vasodilation.

D. ADH causes increase in blood pressure.

E. ADH is responsible for decrease in GFR.

In the light of the above statements, choose the most appropriate answer from the options given below:

Answer: A

Option (1) is the correct answer because statements B, C and D are true statements. ADH facilitates

water reabsorption from DCT of nephron to prevent diuresis, which causes increase in blood pressure.

ANF which is secreted by the heart is a vasodilator. Options (2), (3) and (4) are not correct

because statements A and E are false. Excessive loss of body fluid from the body switches

on the osmoreceptors.

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