Question

Which of the following statements are correct?

1. An excessive loss of body fluid from the body switches off osmoreceptors.
2. ADH facilitates water reabsorption to prevent diuresis.
3. ANF causes vasodilation.
4. ADH causes increase in blood pressure.
5. ADH is responsible for decrease in GFR.

Choose the correct answer from the options given below:

• A. B, C and D only
• B. A, B and E only
• C. C, D and E only
• D. A and B only

Answer 1

Answer: (A)

B, C and D only

Answer 2

A. Excessive fluid loss from the body can activate osmoreceptors, which in turn trigger the release of ADH from the hypothalamus.
B. ADH facilitates water reabsorption to prevent diuresis.
C. ANF causes vasodilation.
D. ADH causes increase in blood pressure.
E. ADH affects kidney function by tightening blood arteries, which raises blood pressure and, in turn, increases glomerular blood flow and GFR.

The correct option is (A): B, C and D only