The right subclavian artery and the left common carotid artery branch off from which vessel?
A) internal maxillary artery
B) right common carotid artery
C) brachiocephalic artery
D) internal mammary artery

Question

Quizplus · Accepted Answer

The subclavian arteries branch off from the brachiocephalic artery, which is a major vessel originating from the aortic arch. The left common carotid artery directly branches off from the aortic arch, while the right common carotid artery branches off from the brachiocephalic artery. Therefore, the correct answer is C, the brachiocephalic artery.

The Right Subclavian Artery and the Left Common Carotid Artery