Final answer:
The right common carotid artery does not receive blood directly from the aortic arch; it arises from the brachiocephalic artery. The left common carotid and the brachiocephalic arteries are both direct branches of the aortic arch.
Step-by-step explanation:
The question is addressing the anatomy of the major arteries branching off from the aortic arch. You are asking which of the following does not receive blood directly from the aortic arch:
- (A) left common carotid artery
- (B) brachiocephalic artery
- (C) right common carotid artery
The correct answer is (C) the right common carotid artery. It arises from the brachiocephalic artery, not directly from the aortic arch. In contrast, the left common carotid artery receives blood directly from the aortic arch. The brachiocephalic artery also branches off from the aortic arch and further divides into the right subclavian artery and the right common carotid artery.