<prompt> Minimum quantity of filtered Na actually excreted is by which of the following diuretie-FuresemideThiazideAmilorideAcetazolamide  <response>: Ans. is c i.e., Amiloride Urinary electolyte pattern and natriuretic efficacy of some diuretics Urinary electrolyte excretionMax. of filteredNa excretedEfficacyDiureticNaKCl-HCO-31. Furosemide,-25High2 Thiazide8Intermediate3. Acetazolamide,-5Mild4. Spironolactone-,3Low-5. Amiloride-,3Low6. Mannitol20Higho 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. 