The left subclavian artery is a branch of_______________?
Correct answer: C. Arch of aorta
- A. Brachio cephalic trunk
- B. Ascending aorta
- C. Arch of aorta
- D. Left common carotid
Explanation
The left subclavian artery arises directly from the arch of the aorta, along with the brachiocephalic trunk and left common carotid artery. The right subclavian artery, in contrast, arises through the brachiocephalic trunk.
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