This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Pharmacology
Diuretics that can be used in renal failure is - 
Select and explain. 
A. Furosetnide, B. Chlohiazide, C. Mannitol, D. Chlohalidone
A: Furosetnide
Answer: A: Furosetnide 
Explanation: Ans. is 'a' i.e., Furosemide Loop diuretics (furosemide) can be used in renal failure. Among thiazides, only metolazone is used in renal failure.