Algonquin College Health Program Assessment (AC-HPAT) Practice Exam

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Which chamber of the heart receives oxygenated blood from the lungs?

Right atrium
Left atrium
Right ventricle
Left ventricle

The correct answer is: Left atrium

The left atrium is the chamber of the heart that receives oxygenated blood from the lungs. This occurs through the pulmonary veins, which transport blood from the lungs to the left atrium after it has been oxygenated. The left atrium then plays a crucial role in the heart's overall function by allowing this oxygen-rich blood to flow into the left ventricle. The left ventricle, while it is responsible for pumping oxygenated blood to the rest of the body, receives its blood supply from the left atrium. The right atrium and right ventricle are associated with the circulation of deoxygenated blood, as they receive blood from the body that needs to be sent to the lungs for oxygenation. Thus, the left atrium is specifically important for collecting and preparing oxygenated blood for systemic circulation.