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': 'Fat embolism may ensue following \nSelect and explain. \nA. Fracture of spine and ribs, B. Fractured fibula, C. Fracture of skull bone, D. Fracture of long bones only', 'role': 'user'}, {'content': 'Answer: D \nExplanation: D i.e. Fracture long bones only', 'role': 'assistant'}]