Which Substance Plays a Central Role in Determining the Rate

Question

Which substance plays a central role in determining the rate of sodium reabsorption?
A)ADH
B)aldosterone
C)extracellular fluid
D)natriuretic peptides
E)epinephrine

Accepted Answer

Aldosterone plays a central role in determining the rate of sodium reabsorption in the kidneys. It acts on the distal tubules and collecting ducts of the nephrons to increase the reabsorption of sodium ions and water, thereby increasing blood volume and blood pressure.