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Questions and Answers
During which phase of the cardiac cycle do the atria contract following depolarization?
During which phase of the cardiac cycle do the atria contract following depolarization?
- Ventricular diastole
- Atrial systole (correct)
- Atrial diastole
- Ventricular systole
What is considered the end diastolic volume (EDV) or preload in the cardiac cycle?
What is considered the end diastolic volume (EDV) or preload in the cardiac cycle?
- Blood in the ventricles before they contract (correct)
- End systolic volume (ESV)
- Atrial systole
- Stroke volume
What occurs during ventricular diastole in the cardiac cycle?
What occurs during ventricular diastole in the cardiac cycle?
- Atria contract
- Semilunar valves open
- Atrioventricular valves close
- Ventricles relax (correct)
Which phase marks the relaxation phase of the ventricles in the cardiac cycle?
Which phase marks the relaxation phase of the ventricles in the cardiac cycle?
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What leads to the opening of the semilunar valves during the cardiac cycle?
What leads to the opening of the semilunar valves during the cardiac cycle?
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How much blood is typically pushed out by the ventricles as stroke volume in the cardiac cycle?
How much blood is typically pushed out by the ventricles as stroke volume in the cardiac cycle?
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