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A 32-year-old construction worker arrives in the emergency department after an accident on the job. The tendon of the biceps brachii at the elbow has been severed by a laceration that extends 2 cm medially from the tendon.
Which of the following structures is likely to have been injured by medial extension of the laceration?
 A. Brachial artery
 B. Musculocutaneous nerve
 C. Profunda brachii artery
 D. Radial nerve
 E. Ulnar nerve

Dr. Schmidt Bander

Answer: A


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