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': 'Median nerve lesion at the wrist causes all of the following.except ? \nSelect and explain. \nA. Thenar atrophy, B. Weakness of Adductor pollicis, C. Weaknes of 1st and 2nd lumbricals, D. Weakness of Flexor pollicis brevis', 'role': 'user'}, {'content': "Answer: B \nExplanation: Ans. is 'b' i.e., Weakness of Adductor pollicis Adductor pollicis is supplied by ulnar nerve.", 'role': 'assistant'}]