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': 'Minimum quantity of filtered Na actually excreted is by which of the following diuretie- \nSelect and explain. \nA. Furesemide, B. Thiazide, C. Amiloride, D. Acetazolamide', 'role': 'user'}, {'content': "Answer: C \nExplanation: Ans. is 'c' i.e., Amiloride Urinary electolyte pattern and natriuretic efficacy of some diuretics Urinary electrolyte excretionMax. % of filteredNa+ excretedEfficacyDiureticNa+K+Cl-HCO-31. Furosemide|||||||,-25%High2 Thiazide|||||8%Intermediate3. Acetazolamide||||,-||5%Mild4. Spironolactone|||-,|3%Low-5. Amiloride|||-,|3%Low6. Mannitol|||||20%Higho From the table it is clear that maximum amount of filtered Na actually excreted is by furosemide (25%) and minimum amount is by spironolactone and amiloride (3%).", 'role': 'assistant'}]