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 syndrome characterized by : \nSelect and explain. \nA. Tachycardia, B. Hypoxemia, C. Fat globules in urine, D. All', 'role': 'user'}, {'content': 'Answer: D \nExplanation: A i.e. Tachycardia, B i.e. Hypoxemia , C i.e. Fat globules in urine', 'role': 'assistant'}]