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During the posterior exposure of the atlas arch in the cervical spine, excessive retraction of >2 cm past midline would cause injury to an anatomical structure. Which of the following statements is true about this structure?
Injury to this structure causes postoperative hoarseness
The structure is a branch of the vagus nerve
Injury to this structure causes weakness in forearm supination
The structure typically originates from the subclavian artery and travels cephalad through the transverse foramen
The structure is a terminal branch of the common carotid artery
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