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': 'In fracture surgical neck of humerus, the following nerve injury is common: \nSelect and explain. \nA. Axillary, B. Radial, C. Ulnar, D. Median', 'role': 'user'}, {'content': 'Answer: A \nExplanation: A i.e. Axillary', 'role': 'assistant'}]