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NREMT Advanced EMT

Category - Cardiology

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When do the ventricles fill with blood?

During systole
During diastole
Both A and B
Neither A nor B

Explanation

Answer - B - The ventricles fill with blood during diastole. Additionally, during diastole, the coronary arteries are perfused and the atria contract, sending blood down to the ventricles. The AV valves are open, allowing this flow of blood.

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