What is the largest artery in the body?

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Prepare for the NCLEX Cardiovascular System Test! Access multiple choice questions with explanations and hints. Study effectively to ensure success on your exam day.

Multiple Choice

What is the largest artery in the body?

Explanation:
The largest artery is the aorta—the main high-pressure conduit that leaves the left ventricle and sends oxygenated blood to the entire body. Its diameter is greater than that of other arteries, which allows the large volume of blood ejected with each heartbeat to be distributed systemically. The pulmonary artery, by contrast, carries blood to the lungs under lower pressure and is smaller in size. The carotid and iliac arteries are sizeable but do not reach the aorta’s diameter.

The largest artery is the aorta—the main high-pressure conduit that leaves the left ventricle and sends oxygenated blood to the entire body. Its diameter is greater than that of other arteries, which allows the large volume of blood ejected with each heartbeat to be distributed systemically. The pulmonary artery, by contrast, carries blood to the lungs under lower pressure and is smaller in size. The carotid and iliac arteries are sizeable but do not reach the aorta’s diameter.

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