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Anatomy
A 56-year-old man is diagnosed with an extradural tumor in the posterior cranial fossa. When the patient protruded his tongue during physical examination, the tongue deviated to the right. Which of the following muscles and nerves are most likely injured?
Right hypoglossal nerve and right genioglossus
Left hypoglossal nerve and left genioglossus
Right hyoglossus and left styloglossus
Right geniohyoid and first cervical nerve
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