This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Bacteriology, Subject name: Microbiology
[{'content': 'Drug of choice for MRSA \nSelect and explain. \nA. Penicillin G, B. Ceftriaxone, C. Vancomycin, D. Cefazoline', 'role': 'user'}, {'content': 'Answer: C \nExplanation: Methicillin was the first compound developed to combat resistance due to Penicillinase production by staphylococci. MRSA become common nowadays resistant not only to Penicillin but to all other beta-lactam antibiotics. vancomycin is the drug of choice for MRSA. Strains resistant to vancomycin and teicoplanin are still not common. Ref: Textbook of Microbiology; Ananthanarayanan and Panicker; 10th Edition; Page no: 208', 'role': 'assistant'}]