Aldosterone

Question

Aldosterone
A) is secreted by the posterior pituitary gland.
B) acts on the collecting duct blocking the reabsorption of water.
C) stimulates the reabsorption of water but has no effect on potassium.
D) is a mineralocorticoid that stimulates the reabsorption of sodium.

Accepted Answer

Aldosterone is a mineralocorticoid hormone that is secreted by the adrenal gland. Its primary function is to stimulate the reabsorption of sodium in the kidneys, which in turn leads to the retention of water by the body. It also promotes the excretion of potassium and hydrogen ions.