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Orthopaedics · Hand injuries
Sample itemWhat nerve is affected in carpal tunnel syndrome?
Original practice item, not a recalled exam question. Nothing here is recorded.
The answer and the reasoning
C. Median nerve
Carpal tunnel syndrome compresses the median nerve beneath the transverse carpal ligament, causing paresthesia in lateral digits and thenar weakness.
Option by option
A. Ulnar nerve
Ulnar nerve is compressed at Guyon canal or cubital tunnel.
B. Axillary nerve
Axillary nerve is near the shoulder.
C. Median nerve (correct)
Correct: median nerve is compressed in carpal tunnel.
D. Radial nerve
Radial nerve supplies dorsal hand sensation and extensors.
Source note: Original NextPrep sample item — pending expert review. This item is original practice material awaiting independent expert review, so confirm important facts in a standard textbook.
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