PSI Barbering Practice Exam

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Which type of blood vessel carries oxygen-rich blood away from the heart?

Veins
Arteries
Capillaries
Venules

The correct answer is: Arteries

Arteries are the blood vessels responsible for carrying oxygen-rich blood away from the heart. The primary function of arteries is to transport this oxygenated blood to various tissues and organs throughout the body, where it is needed for cellular respiration and metabolism. The arterial system is designed to handle high-pressure blood flow from the heart, as it pumps oxygenated blood during the contraction phase of the cardiac cycle. In contrast, veins carry deoxygenated blood back to the heart, and capillaries serve as the sites for the exchange of oxygen and carbon dioxide between the blood and tissues. Venules are small vessels that collect blood from capillaries and transport it to veins. Therefore, arteries are uniquely adapted to fulfill the role of delivering oxygen-rich blood away from the heart, making them essential in the circulatory system.