First Aid for Corrections Officers Practice Test 2025 - Free First Aid Practice Questions and Study Guide

Question: 1 / 400

What is the primary role of vessels called arteries?

Carry blood toward the heart

Carry blood in and out of the lungs

Carry blood away from the heart to the rest of the body

The primary role of arteries is to carry blood away from the heart to the rest of the body. This is crucial for delivering oxygen and nutrients to tissues and organs, which is essential for their proper functioning. Arteries have thick, elastic walls that help manage the high pressure of blood being pumped from the heart, allowing for efficient circulation throughout the body.

The other options highlight functions that either relate to veins or are specific to cardiovascular processes but do not accurately describe the main function of arteries. For example, veins are responsible for carrying blood toward the heart, while pulmonary vessels specifically deal with blood flow to and from the lungs. Furthermore, while arteries can transport oxygen-rich blood, their primary defining function is their role in directing blood movement away from the heart.

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Carry oxygen-rich blood into the kidneys

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