QuestionAugust 10, 2025

The function of angiotensin II is to __ decrease water absorption decrease the production of aldosterone constrict arterioles and increase blood pressure decrease arterial blood pressure

The function of angiotensin II is to __ decrease water absorption decrease the production of aldosterone constrict arterioles and increase blood pressure decrease arterial blood pressure
The function of angiotensin II is to __
decrease water absorption
decrease the production of aldosterone
constrict arterioles and increase blood pressure
decrease arterial blood pressure

Solution
4.2(208 votes)

Answer

Constrict arterioles and increase blood pressure Explanation 1. Identify the function of angiotensin II Angiotensin II is a peptide hormone that plays a crucial role in regulating blood pressure and fluid balance. It primarily acts to constrict arterioles, which increases vascular resistance and subsequently raises blood pressure. Additionally, it stimulates the release of aldosterone from the adrenal glands, promoting sodium and water retention, which further contributes to increased blood volume and pressure. 2. Evaluate each option - "Decrease water absorption": This is incorrect because angiotensin II actually promotes water retention. - "Decrease the production of aldosterone": This is incorrect because angiotensin II stimulates aldosterone production. - "Constrict arterioles and increase blood pressure": This is correct as angiotensin II causes vasoconstriction and elevates blood pressure. - "Decrease arterial blood pressure": This is incorrect because angiotensin II increases blood pressure.

Explanation

1. Identify the function of angiotensin II<br /> Angiotensin II is a peptide hormone that plays a crucial role in regulating blood pressure and fluid balance. It primarily acts to constrict arterioles, which increases vascular resistance and subsequently raises blood pressure. Additionally, it stimulates the release of aldosterone from the adrenal glands, promoting sodium and water retention, which further contributes to increased blood volume and pressure.<br /><br />2. Evaluate each option<br /> - "Decrease water absorption": This is incorrect because angiotensin II actually promotes water retention.<br /> - "Decrease the production of aldosterone": This is incorrect because angiotensin II stimulates aldosterone production.<br /> - "Constrict arterioles and increase blood pressure": This is correct as angiotensin II causes vasoconstriction and elevates blood pressure.<br /> - "Decrease arterial blood pressure": This is incorrect because angiotensin II increases blood pressure.
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