Which of the following happens during ventricular diastole?
A. Only the ventricles fill with blood during ventricular diastole.
B. The ventricles then repolarize and relax.
C. The pressure inside the ventricles is greater than inside the relaxed atria, so blood moves through the AV valves from the atria to the ventricles.
D. The pressure is greater in the ventricles than inside the pulmonary trunk and aorta.
Answer: B
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