<prompt> Which of the following diuretic causes maximum loss of potassium in urine: March 2010AcetazolamideSpironolactoneEthacrynic acidFurosemide  <response>: Ans. A: Acetazolamide Actezolamide causes maximum loss of potassium and bicarbonate in the urine, whereas furosemide causes maximum loss of sodium and chloride in the urine 