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': 'Cubital tunnel syndrome involves:March 2013 (c, f) \nSelect and explain. \nA. Radial nerve, B. Ulnar nerve, C. Median nerve, D. Axillary nerve', 'role': 'user'}, {'content': 'Answer: B \nExplanation: Ans. B i.e. Ulnar nerveWhen the ulnar nerve compression occurs at the elbow, it is called "cubital tunnel syndrome."', 'role': 'assistant'}]