The function of angiotensin II is to
A) constrict blood vessels and trigger the release of aldosterone.
B) constrict blood vessels and trigger the release of renin.
C) dilate blood vessels and trigger the release of aldosterone.
D) dilate blood vessels and trigger the release of renin.

Question

Quizplus · Accepted Answer

Angiotensin II is a hormone that causes vasoconstriction (constriction of blood vessels), which increases blood pressure. It also stimulates the release of aldosterone from the adrenal glands, which leads to the reabsorption of sodium and water in the kidneys, further increasing blood volume and pressure. Therefore, choice A is the best option as it correctly identifies the two main functions of angiotensin II.

The Function of Angiotensin II Is to