This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Imaging of Musculoskeletal Infection, Subject name: Radiology
[{'content': 'Dead bone in X ray is? \nSelect and explain. \nA. More radiopaque, B. More radiolucent, C. Same as normal bone, D. Variable', 'role': 'user'}, {'content': "Answer: A \nExplanation: ANSWER: (A) More radiopaqueREF: Principles of bone x-ray diagnosis by George Simon p. 62Dead bone as seen in Aavascular necrosis, perthe's disease, TB, osteomyelitis is usually more opaque than normal in X ray", 'role': 'assistant'}]