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': 'An oblique of olecranon. If displaced proximally. The treatment is \nSelect and explain. \nA. Excision & resuturing, B. Tension band wiring, C. Elbow is imbolised by cast, D. Open reduction & external fixation', 'role': 'user'}, {'content': 'Answer: B \nExplanation: B i.e. Tension band wiring', 'role': 'assistant'}]