Try it
Orthopaedics · Hand injuries
Sample itemWhat deformity can result from ulnar nerve palsy?
Original practice item, not a recalled exam question. Nothing here is recorded.
The answer and the reasoning
D. Clawing of ring and little fingers
Ulnar-innervated intrinsic hand muscle weakness produces hyperextension at metacarpophalangeal joints and flexion at interphalangeal joints, most marked in the ring and little fingers.
Option by option
A. Foot drop
Foot drop is often due to common fibular nerve palsy.
B. Facial droop
Facial droop results from facial nerve dysfunction.
C. Wrist drop
Wrist drop is associated with radial nerve palsy.
D. Clawing of ring and little fingers (correct)
Correct: ulnar palsy produces clawing most evident in ring and little fingers.
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.
More Orthopaedics questions
- Hand injuriesWhat nerve is commonly compressed in carpal tunnel syndrome?
- Hand injuriesWhat nerve is affected in carpal tunnel syndrome?
- Hand injuriesWhy is snuffbox tenderness after a fall on an outstretched hand clinically important?
- Hand injuriesWhich tendon injury causes inability to actively extend the distal interphalangeal joint…