A 22-year-old male football player sustains an anterior shoulder dislocation during a tackle. On examination, blood pressure is 128/82 mmHg, heart rate 96/min, and temperature 37.2°C. He reports severe shoulder pain and demonstrates impaired cutaneous sensation over the lower half of the deltoid muscle. X-ray confirms anterior humeral head displacement. Strength testing of shoulder abduction remains intact. These findings suggest injury to which of the following nerves?

  1. A)Median
  2. B)AxillaryGABARITO
  3. C)Ulnar
  4. D)Musculocutaneous
  5. E)Radial

Explicação

The correct answer is A. Source: Kaplan USMLE Step 1 QBank — Anatomy Test 2. Ver explicação completa e trilha adaptativa →

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