This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: FMGE 2018, Subject name: Orthopaedics
[{'content': 'Most common site of osteomyelitis in children \nSelect and explain. \nA. Diaphysis, B. Metaphysis, C. Epiphysis, D. Growth plate', 'role': 'user'}, {'content': 'Answer: B \nExplanation: Overall Most common location of osteomyelitis is metaphysis. It is due to high vascularity, hair-pin loop system of blood supply, more prone to trauma and monocyte-macrophage system is weaker. Most common pa of osteomyelitis is lower end of Femur. Most common organism of osteomyelitis is staphylococcus aureus.', 'role': 'assistant'}]