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': 'Nerve commonly injured in anterior dislocation of shoulder joint: March 2012 \nSelect and explain. \nA. Radial nerve, B. Circumflex branch of axillary nerve, C. Median nerve, D. Ulnar nerve', 'role': 'user'}, {'content': 'Answer: B \nExplanation: Ans: B i.e. Circumflex branch of axillary nerve', 'role': 'assistant'}]