<prompt> Which of the following is a high ceiling diuretic ?FurosemideSpironolactoneAcetazolamideThiazide  <response>: Ans. is a i.e., Furosemide o Loop diuretics are called high ceiling diuretics because, progressive increase in dose is matched by increasing diuresis, i.e. they have a high ceiling effect. o Furosamide is a loop diuretics. 