MSK Quiz#6, Hand Anatomy and Pathology  

1. A 45-year-old carpenter presents with difficulty flexing the index and middle fingers at the proximal interphalangeal joints and a noticeable deformity when attempting to make a fist. This condition likely results from an injury to which nerve? 

Question 1 of 5

2. Following a laceration injury to the wrist, a patient is unable to adduct or abduct the fingers. Which of the following muscles is most likely affected by this injury?

Question 2 of 5

3. A patient presents with an inability to oppose the thumb and a flattened thenar eminence on physical examination. This presentation is most consistent with a lesion of which nerve?

Question 3 of 5

4. In a patient with a lower trunk brachial plexus injury, which of the following deformities would you most likely observe? 

Question 4 of 5

5. After a traumatic injury, a patient is unable to flex the distal phalanges of the index and middle fingers. The patient is, however, able to flex the distal phalanx of the thumb. This pattern of injury is consistent with damage to which nerve? 

Question 5 of 5


 

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