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A 36-Year-Old Construction Worker Comes to the Emergency Department After

Question 48

Multiple Choice

A 36-year-old construction worker comes to the emergency department after falling 3 meters (~10 ft) from a ladder. The patient braced his fall with outstretched hands and experienced severe pain in the left wrist immediately on impacting the ground. On examination, the left wrist is swollen, with no lacerations. A strong radial pulse is present, and the fingers are well perfused. There is a palpable mass just proximal to the left palm. X-ray of the left wrist reveals a lunate dislocation without evidence of a distal radius fracture, as seen in the exhibit.
$A 36-year-old construction worker comes to the emergency department after falling 3 meters (~10 ft) from a ladder. The patient braced his fall with outstretched hands and experienced severe pain in the left wrist immediately on impacting the ground. On examination, the left wrist is swollen, with no lacerations. A strong radial pulse is present, and the fingers are well perfused. There is a palpable mass just proximal to the left palm. X-ray of the left wrist reveals a lunate dislocation without evidence of a distal radius fracture, as seen in the exhibit. The patient is at greatest risk for impairment of which of the following hand functions? A) Finger abduction B) Finger interphalangeal joint flexion C) Thumb abduction D) Thumb adduction E) Thumb extension$
The patient is at greatest risk for impairment of which of the following hand functions?

A) Finger abduction
B) Finger interphalangeal joint flexion
C) Thumb abduction
D) Thumb adduction
E) Thumb extension

A 36-Year-Old Construction Worker Comes to the Emergency Department After

Multiple Choice

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