Question

In rennin-angiotensin mechanism,
aldosterone causes reabsorption of water
and Na+ from
(A) Proximal parts of the tubule
(B) DCT and PCT of the tubule
(C) Henie's loop
(D) Distal parts of the tubule​

Answer 1

Explanation:

it stimulates the release of aldosterone. Aldosterone is a steroid hormone that causes an increase in sodium reabsorption and potassium excretion at the distal tubule and collecting duct of the nephron. Aldosterone works by stimulating the insertion of luminal Na channels and basolateral Na-K ATPase proteins.

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Answer 2

D) Distal parts of the tubule is the correct answer.

Explanation:

Angiotensin II activates the adrenal cortex to release aldosterone which reabsorbs Na+ and water from the distal parts of the tubule. This process leads to increase in blood pressure and GFR.