Gross Anatomy USMLE Step 1 Practice Question
A 58-year-old man undergoes carotid endarterectomy for severe left carotid stenosis. Postoperatively, he is hemodynamically stable (BP 138/82, HR 78, RR 16, SpO2 98% on room air). On examination, his tongue deviates to the right when protruded. Shoulder shrug and sternocleidomastoid strength are intact bilaterally. CT angiography confirms successful plaque removal without arterial dissection. Which of the following nerves was most likely injured during the procedure?
Answer choices
- AGlossopharyngeal nerve
- BLingual nerve
- CHypoglossal nerveCorrect answer
- DVagus nerve
- EAccessory nerve
- FRecurrent laryngeal nerve
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