This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Diuretic, Subject name: Pharmacology
[{'content': 'All of the following are potassium sparing diuretic EXCEPT: \nSelect and explain. \nA. Spironolactone, B. Triamterene, C. Indapamide, D. Amiloride', 'role': 'user'}, {'content': 'Answer: C \nExplanation: Ans. (c) IndapamideRef. KDT 6th ed. / 540Diuretic classDrugsMOASite of actionOsmotic diureticMannitolInhibit water and solute reabsorptionAll part of tubule, but mainly proximal tubuleLoop diuretics* Furosemide* TorsemideInhibit Na+- K+-2CI co- transportThick ascending loop of henleThiazide diuretic* Hydrochlor thiazide* Benzthiazide* Chlorthalidone* IndapamideInhibit Na+- CI co- transportDistal tubuleK+ sparing diuretic* Spironolactone* Triamterene* Amiloride* Decrease Na+ reabsorption* Decrease K+ secretionCollectingtubuleCarbonic anhydrase inhibitorAcetazolamideInhibit H+ secretion and HCO3 reabsorption, which reduces Na+ reabsorptionProximaltubule', 'role': 'assistant'}]