This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Nerve supply, Nerve Lesions, Subject name: Anatomy
[{'content': 'There is loss of sensation of lateral 3 and 1/2 finger. The likely nerve injured is/are : \nSelect and explain. \nA. Only median nerve, B. Median nerve plus ulnar nerve only, C. Median nerve plus radial nerve only, D. Ulnar and radial nerve only', 'role': 'user'}, {'content': 'Answer: C \nExplanation: Explanation: Loss of sensation of lateral 3 and 1/2 fingers is due to lesion of median and radial nerve. Sensations on the palmar aspect of lateral 3 &1/2 fingers (including nail beds) are carried by median nerve. Lateral 3 & 1/2 fingers (excluding nail beds) on the dorsum of hand are supplied by radial nerve. Palmar and dorsal aspect of medial 1 &1/2 fingers (including nail beds) is supplied by ulnar nerve.', 'role': 'assistant'}]