This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Diseases Affecting Tubules and Interstitium, Subject name: Pathology
[{'content': 'The drug which causes renal papillary necrosis is? \nSelect and explain. \nA. Acetophenetidin, B. Gentamicin, C. Gold, D. Methicillin', 'role': 'user'}, {'content': 'Answer: A \nExplanation: Ans. (a) AcetophenetidinRef: Robbiris pathology 9th ed. /423. 936t* Renal papillary necrosis due to acetophenetidin/ phenacetin is a gradual process with slow loss of renal function.* The most common cause of renal papillary necrosis is diabetic glomerulopathy', 'role': 'assistant'}]