Aldosterone is a mineralocorticoid hormone that is secreted by the adrenal gland. Its primary function is to stimulate the reabsorption of sodium ions in the kidney, which results in the retention of water and an increase in blood volume and pressure. It also helps to regulate potassium levels in the body.

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Aldosterone

Question 53

Multiple Choice

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.

Correct Answer: