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: Surgery
[{'content': "Which of the following represents an appropriate management of Pehe's disease in a young patient? \nSelect and explain. \nA. Total hip replacement, B. Exercise, C. High dose calcium, D. Making sure that the femoral head remains in the acetabulum", 'role': 'user'}, {'content': 'Answer: D \nExplanation: Here the aim is to prevent injury to the femoral head while it is soft. If the head remains in the acetabulum it will gradually revascularise.', 'role': 'assistant'}]