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7991 Anatomy

A 60-year-old man is admitted to the hospital with severe abdominal pain. A CT scan reveals a dissecting aneurysm of the thoracic aorta. While in the hospital the patient’s aneurysm ruptures and he is transferred urgently to the operating theater. Postoperatively, the patient suffers from paraplegia. Which of the following arteries was most likely injured during the operation to result in the paralysis?

ARight coronary artery
BLeft common carotid
CRight subclavian
DGreat radicular (of Adamkiewicz)
Anatomy
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