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Which of the following causes an increas...

Which of the following causes an increase in sodium reabsorption in the distal convoluted tubule?

A

Increase in aldosterone levels

B

Increase in antidiuretic hormone levels

C

Decrease in aldosterone levels

D

Decrease in antidiuretic hormone levels

Text Solution

Verified by Experts

The correct Answer is:
A
Increase in aldosterone levels cause an increase in sodium reabsorption in DCT. It is secreted by outer layer of adrenal gland when aldosterone is present in the blood and all the `Na^(+)` ions in the filterate are reabsorbed. Retaining `Na^(+)` raises the osmotic pressure of the blood and reducse the water loss from the body.
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