This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Fracture of the Humerus, Subject name: Orthopaedics
[{'content': 'In fracture of surgical neck of humerus which nerve is involved? \nSelect and explain. \nA. Axillary, B. Median, C. Ulnar, D. Radial', 'role': 'user'}, {'content': "Answer: A \nExplanation: Ans. is 'a' i.e., Axillary Site of injuryNerve injuredFracture surgical neck humerusAxillary nerveFracture shaft humerusRadial nerveSupracondylar fractureMedian nerve (anterior interosseous branch)Medial epicondyle fractureUlnar nervePosterior dislocation of HIPSciatic nerveFibular neck fractureCommon peroneal nerve", 'role': 'assistant'}]