IP: Cardiac Cycle – Flashcards
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ventricular diastole
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Isovolumetric relaxation and ventricular filling (two phases of the cardiac cycle) take place during __________.
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Most blood flows passively into the ventricles through open AV valves.
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Which of the following is correct about the filling of the ventricles?
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Pressure in the atria would be greater than the pressure in the ventricles.
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Describe the pressures in the atria and ventricles that would cause the opening of the AV valves.
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higher ventricular pressure than aortic pressure
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What causes the aortic semilunar valve to close?
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isovolumetric contraction, ventricular ejection, isovolumetric relaxation
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Put the phases of the cardiac cycle in the correct order, starting after ventricular filling.
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AV valves only
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Increased pressure in the ventricles would close what valve(s)?
