A geriatric patient with a history of kidney disease develops increasing bilateral edema in the legs and feet. The health care provider has ordered a potassium-sparing diuretic. Select the diurectic action of this medication.

A. The medication should increase reabsorption of sodium and potassium.

B. The medication should decrease sodium transport and increase potassium.

C. The medication should excrete water and sodium but save potassium.

D. The medication should excrete potassium and save water and sodium.