Question

practice it
what is the function of aldosterone?
acts on the kidneys to increase the reabsorption of sodium ions from the renal tubules back into the bloodstream
decreases the reabsorption of sodium ions from the renal tubules back into the bloodstream
promotes the absorption of potassium ions from the bloodstream into the renal tubules
acts on the kidneys to increase the secretion of sodium ions from the renal tubules into the urine
triggers the release of glucose from the liver into the bloodstream

Explanation:

Aldosterone is a hormone that acts on the kidneys. Its main role is to increase the reabsorption of sodium ions from the renal tubules back into the bloodstream. This helps in maintaining electrolyte balance, blood volume, and blood pressure. The other options are incorrect as they either state the opposite (like decreasing sodium reabsorption or increasing sodium secretion) or mention functions related to other substances (like potassium absorption or glucose release).

Answer:

Acts on the kidneys to increase the reabsorption of sodium ions from the renal tubules back into the bloodstream