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: Orthopaedics
[{'content': 'Not true about Osteogenesis imperfecta - \nSelect and explain. \nA. Impaired healing of fracture, B. Deafness, C. Laxity ofjoints, D. Fragile fracture', 'role': 'user'}, {'content': 'Answer: A \nExplanation: Fractures are usually due to trivial trauma, but surprisingly heal well and fractures may heal without any treatment.\nThough fracture heal normally with normal appearing callus, remodelling into natural lamellar bone does not occur, making the long bone susceptible to refracture.', 'role': 'assistant'}]