<prompt> Potassium-sparing diuretics acts at the level ofNa k pumpAldosterone receptorNa CL sympoerCarbonic anhydrase  <response>: Spironolactone acts at the level of mineralocoicoid or aldosterone receptor, triamterene, amiloride acts on epithelial sodium channelsRef:KDtripati 6th ed pg 569 