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
[{'content': 'SLE like syndrome is most commonly associated with administration of- \nSelect and explain. \nA. Rifampicin, B. Procainamide, C. Digitalis, D. Phenytoin', 'role': 'user'}, {'content': "Answer: B \nExplanation: Ans. is 'b' i.e., Procainamide o Several drugs can cause a syndrome resembling SLE. o This syndrome is rare with all except Procainamide and Hydralazine, which are the most frequent offenders.", 'role': 'assistant'}]