Pharmacology All of the following are true regarding diuretics except: March 2008 A Spironolactone is a potassium sparing drug B Mannitol is an osmotic diuretic C Thiazides act by inhibiting Sodium-potassiumchloride cotranspo D Acetazolamide inhibits carbonic anhydrase enzyme 💡 Explanation All of the following are true regarding diuretics except: March 2008 ✓ Correct Answer: C. Thiazides act by inhibiting Sodium-potassiumchloride cotranspo