Aldosterone stimulates an increase in sodium reabsorption at the same time it stimulates an increase in potassium secretion. aldosterone stimulates an increase in sodium reabsorption at the same time it stimulates an increase in potassium secretion.
a. True
b. False
A. True Aldosterone stimulates the Na+/K+ pump in renal tubules to exchange Na+ (sodium) for K+ (potassium). This, using ATP energy for active transport, leads to reabsorption of sodium into the bloodstream and secretion of potassium into the urine.