This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Chemotherapy: General Principles, Subject name: Pharmacology
[{'content': 'Drug of choice for prophylaxis of Pneumocystis jiroveci pneumonia in immunocompromised patients is: \nSelect and explain. \nA. Cotrimoxazole, B. Amoxycillin, C. Dexamethasone, D. Cefotetan', 'role': 'user'}, {'content': 'Answer: A \nExplanation: Ans (A) Cotrimoxazole(Ref: Harrison 19/e p1361)Cotrimoxazole is drug of choice forPneumocystis jiroveciNocardiaBurkholderia cepacia', 'role': 'assistant'}]