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': 'Management of hemarhrosis \nSelect and explain. \nA. Compression bandage, B. Needle aspiration, C. P.O.P. cast, D. All', 'role': 'user'}, {'content': 'Answer: D \nExplanation: A i.e. Compression bandage; B i.e. Needle aspiration; C i.e. P.O.P. cast', 'role': 'assistant'}]