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': 'Functional cast bracing not used in fracture of ? \nSelect and explain. \nA. Humerus, B. Tibia, C. Ulna, D. Thoracolumbar spine', 'role': 'user'}, {'content': "Answer: D \nExplanation: Ans. is 'd' i.e., Thoracolumbar spine Functional cast bracing is used for the fracture of :- Humerus Femur Ulna Tibia", 'role': 'assistant'}]