What is the Function of the Hormone Aldosterone

Question

What is the function of the hormone aldosterone?
A) Promotes reabsorption of sodium from renal tubules
B) Promotes secretion of sodium into renal tubules
C) Promotes reabsorption of potassium from renal tubules
D) Promotes secretion of calcium into renal tubules

Accepted Answer

Aldosterone promotes the reabsorption of sodium from the renal tubules, which helps to increase blood volume and blood pressure.