<prompt> There is loss of sensation of lateral 3 and 12 finger. The likely nerve injured isare :Only median nerveMedian nerve plus ulnar nerve onlyMedian nerve plus radial nerve onlyUlnar and radial nerve only  <response>: Explanation: Loss of sensation of lateral 3 and 12 fingers is due to lesion of median and radial nerve. Sensations on the palmar aspect of lateral 3 12 fingers including nail beds are carried by median nerve. Lateral 3 12 fingers excluding nail beds on the dorsum of hand are supplied by radial nerve. Palmar and dorsal aspect of medial 1 12 fingers including nail beds is supplied by ulnar nerve. 