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': 'A diabetic patient developed cellulitis due to staphylococcus aureus, which was found to be Methicillin resistant on the antibiotic will be appropriate except: \nSelect and explain. \nA. Vancomycin, B. Imipenem, C. Tecichoplanin, D. Linezoiid', 'role': 'user'}, {'content': "Answer: B \nExplanation: Vancomycin, Teicoplanin and Linezolid are all active against most Methicillin-resistant Staphylococcus aureus (MRSA). Although some strains of MRSA are susceptible to Imipenem, most strains are not susceptible. Ref: British Society Guidelines for Antimicrobial Chemotherapy; Neonatal and Pediatric Pharmacology: Therapeutic Principles in Practice By Sumner J. Yaffe, Jacob V. Aranda, 2010, Page 436; Goodman and Gilman's The Pharmacological Basis of Therapeutics, 9th Edition, Page 710.", 'role': 'assistant'}]