A 23-Year-Old Man Presented to the Office Due to Left

A 23-year-old man presented to the office due to left arm pain after a fall. The patient fell from a 3m building, landing on his left arm. He did not sustain a head injury and did not lose consciousness. He has no previous medical or surgical history. Vital signs are within normal limits. On examination, bruising over the lateral left arm, with the inability to extend the left wrist. Radiological imaging shows a midshaft fracture of the left humerus. Which of the following arteries is at risk for injury in this patient?

A) Brachial artery
B) Common interosseous artery
C) Deep brachial artery
D) Posterior circumflex humeral artery
E) Radial collateral artery

Correct Answer:

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