This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Radial Head Fracture, Olecranon Fracture, Subject name: Orthopaedics
[{'content': 'Tension band wiring is used for? \nSelect and explain. \nA. Fracture humerus, B. Olecranon fracture, C. Fracture tibia, D. Fracture spine', 'role': 'user'}, {'content': "Answer: B \nExplanation: ANSWER: (B) Olecranon fractureREF: Apley's orthopedics 8th e p. 607Treatment plan for fracture olecranonNon displaced transverse fracture : cast immobilization for 2-3 weeksComminuted fracture with triceps intact: sling for a weekDisplaced oblique fractures : tension band wiringOld non united fracture, non-articular fracture : excision of fragment and triceps repair", 'role': 'assistant'}]