This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Injuries Around Arm & Elbow, Subject name: Orthopaedics
[{'content': 'An oblique fracture of olecranon, if displaced proximally. The treatment is: \nSelect and explain. \nA. Excision & resuturing, B. Tension band wiring, C. Nailing, D. Elbow is immobilized by cast', 'role': 'user'}, {'content': 'Answer: B \nExplanation: Ans: b (Tension band wiring)Ref: Maheshwari Ortho, 3rded, p. 88', 'role': 'assistant'}]