Gross Anatomy USMLE Step 1 Practice Question
A 23-year-old man is brought to the emergency department after a knife wound to the anterior shoulder. He reports difficulty lifting objects with the affected arm. Examination shows weakness of elbow flexion and forearm supination. Sensation is decreased over the lateral forearm, but wrist extension is intact. Which of the following nerves is most likely injured?
Answer choices
- ARadial nerve
- BUlnar nerve
- CMedian nerve
- DAxillary nerve
- EMusculocutaneous nerveCorrect answer
- FSuprascapular nerve
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