All Arteries of the Systemic Circulation Branch from The

Question

All arteries of the systemic circulation branch from the:
A)superior vena cava.
B)pulmonary artery.
C)innominate artery.
D)aorta.

Accepted Answer

All arteries of the systemic circulation branch from the aorta, which is the largest artery in the body and carries oxygenated blood from the heart to the rest of the body. The other answer choices are incorrect: 
A) The superior vena cava is a large vein that carries deoxygenated blood from the upper body back to the heart. 
B) The pulmonary artery is the only artery that carries deoxygenated blood (from the heart to the lungs). 
C) The innominate artery (also known as the brachiocephalic artery) is a major artery that branches off the aorta, but only supplies blood to the right arm and right side of the head and neck.