The Subclavian Artery That Arises Directly from the Aorta Supplies

Question

The subclavian artery that arises directly from the aorta supplies the .
A) right upper extremity and neck
B) left upper extremity and neck
C) posterior trunk wall
D) anterior trunk wall

Accepted Answer

The subclavian artery that arises directly from the aorta supplies the left upper extremity and neck. On the right side, the subclavian artery comes off the brachiocephalic trunk, not directly from the aorta.