What is the function of angiotensin II? A. causes constriction of systemic arteries. B. causes the collecting ducts to become permeable to water. C. causes the formation of atrial natriuretic hormone. D. causes constriction of the efferent arterioles.
Option A. Angiotensin II promotes vasoconstriction (which raises blood pressure), and stimulates the adrenal cortex to release aldosterone.
