Question

Atrial natriuretic factor (ANF) is released in response to the increase in blood volume and blood pressure. Which of the followings is not the function of ANF?

• A. stimulates aldosterone secretion.
• B. inhibits the release of renin from JGA.
• C. stimulates salt loss in urine.
• D. inhibits sodium reabsorption from collecting duct.

Answer 1

Answer: (A)

ANF is secreted by heart under the influence of too much blood in the circulatory system. ANF stimulates the loss of sodium in urine while aldosterone absorbs sodium from glomerular filtrate.