There is loss of sensation of lateral 3 and 1/2 finger. The likely nerve injured is/are :
Only median nerve
Median nerve plus ulnar nerve only
Median nerve plus radial nerve only
Ulnar and radial nerve only
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.
Nerve supply, Nerve Lesions