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The Cardiac Cycle

View the animation below, then complete the quiz to test your knowledge of the concept.






1Which of the following is not true for ventricular systole?
A)the ventricles contract.
B)the atrioventricular valves close.
C)the semilunar valves open.
D)the ventricles relax.
E)blood flows through the aorta and the pulmonary trunk.



2The semilunar valves close during...
A)ventricular systole.
B)ventricular diastole.
C)atrial systole.
D)atrial diastole.
E)both atrial and ventricular systole.



3The atrioventricular valves open during...
A)ventricular systole.
B)ventricular diastole.
C)atrial systole.
D)atrial diastole.
E)both atrial and ventricular systole.



4Atrial contraction accounts for most of the ventricular filling.
A)True
B)False



5The ventricles begin to fill during ventricular diastole.
A)True
B)False







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