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NREMT Paramedic

Category - Cardiology

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The upper two chambers of the heart are called the:

Pleura
Atria
Septa
Ventricles

Explanation

Answer: B - The atria are the two upper chambers of the heart. They receive blood from the body and add fill to the ventricles for movement out of the heart. The atria give a passive fill to the heart and only account for about 30% of ventricular fill. The ventricles are the lower two chambers of the heart that pump blood to the entire body.

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