(a) List the function of aldosterone.
(b) How it affects the levels of Na and K in plasma and urine?
Aldosterone is a hormone produced by the adrenal glands, located above the kidneys. It is excreted in relation to the level of salt in the body fluids, and acts on the kidneys.
Answer and Explanation:
Aldosterone functions to control the salt-water balance of the body's fluids. It reabsorbs sodium with water, and excretes potassium. This causes the plasma concentrations of Na to increase and K to decrease, and the urine concentrations of Na to decrease and K to increase.
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from Biology 105: Anatomy & PhysiologyChapter 12 / Lesson 11