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: Microbiology
[{'content': 'Staphalococcus Oxacillin resistance is best detected by? \nSelect and explain. \nA. Cefotixin MIC, B. Cefotixin disc diffusion, C. Oxacillin disc diffusion, D. Oxacillin agar', 'role': 'user'}, {'content': 'Answer: B \nExplanation: Ans. is \'b\' i.e., Cefotixin disc diffusionOxacillin (also methicillin) resistance is detected by finding the presence of mec A gene."Cefoxitin disc diffusion has been repoed to more occurately predict mec A gene presence than oxacillin disc diffusion."The use of cefoxitin MIC test has not been recommended by the CLSI-AST (Clinical and Laboratory Standards Institute), but its presence is equivalent to cefoxitin disc diffusion.', 'role': 'assistant'}]