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
All of the following drugs cause renal failure except? 
Select and explain. 
A. Cephaloridine, B. Amphoterecin B, C. Cefoperazone, D. Gentamicin
C: Cefoperazone
Answer: C: Cefoperazone 
Explanation: Ans. is 'c' i.e., Cefoperazone Cefoperazone is primarily excreted in bile -3 less nephrotoxic. o Amphotericin B, gentamycin and cephaloridine are highly nephrotoxic.