This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Kidney, Subject name: Pharmacology
All of the following are true regarding diuretics except:- 
Select and explain. 
A. Spironolactone is a potassium sparing drug, B. Mannitol is an osmotic diuretic, C. Thiazides act by inhibiting sodium-potassium chloride co-transpo, D. Acetazolamide inhibits carbonic anhydrase enzyme
C: Thiazides act by inhibiting sodium-potassium chloride co-transpo
Answer: C: Thiazides act by inhibiting sodium-potassium chloride co-transpo 
Explanation: Name Site of action Example Mechanism Loop diuretics Thick ascending limb of Loop of Henle Furosemide Torsemide Na-K-2Cl sympoer inhibition Carbonic anhydrase inhibitors PCT Acetazolamide Dorzolamide Brinzolamide Carbonic anhydrase inhibition Thiazides DCT Hydrochlohiazide Chlohalidone Na-Cl sympoer inhibition Osmotic diuretics Non-specific Mannitol By osmotic effect Epithelial sodium channel blockers Collecting duct Amiloride Triamterene eNa channel blockade Aldosterone antagonists Collecting duct Spironolactone Epleronone Antagonism of aldosterone receptors