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 bracing is now the gold standard in nonoperative management of which fractures ? \nSelect and explain. \nA. Fracture shaft humerus, B. Fractures of both bones of the forearm, C. Fracture shaft tibia, D. Fracture Shaft Femur', 'role': 'user'}, {'content': 'Answer: A \nExplanation: Answer- A. Fracture shaft humerusPrinciple- it relies on the hydrostatic splintage of the fracture due to contraction of muscles in a tight compamentIt has now become the gold standard of conservative management of humerus fractures.', 'role': 'assistant'}]