Aldosterone is a hormone secreted by the adrenal glands in response to decreased blood volume. Its primary function is to promote the reabsorption of sodium ions in the kidneys, which leads to increased uptake of water and an increase in blood volume. This helps to raise blood pressure and maintain homeostasis. Therefore, all three options (A, B, and C) are correct.

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Aldosterone

Question 8

Multiple Choice

Aldosterone

A) is secreted in response to decreased blood volume.
B) promotes sodium retention in the kidneys.
C) helps increase blood volume and raise blood pressure.
D) all of the above
E) none of the above

Correct Answer: