This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Osteomyelitis, Subject name: Orthopaedics
[{'content': 'Acute Osteomylitis in children most commonly affects- \nSelect and explain. \nA. Metaphysis, B. Diaphysis, C. Epiphysis, D. Physis', 'role': 'user'}, {'content': "Answer: A \nExplanation: Ans. is 'a' i.e., Metaphysis Metaphysis is most commonly involved in acute osteomyelitis as-o Long loop vessels are present leading to easy bacterial seeding o Excessive bone turnover in this regiono It has thin cortexo It has relatively fewer phagocytic cells", 'role': 'assistant'}]