Which of the following describes the stage of the cardiac cycle shown?
A)AV and SL valves both open, ventricles contracting
B)AV valves open, SL valves closed, ventricles contracting
C)AV valves closed, SL valves open, ventricles contracting
D)AV valves closed, SL valves open, ventricles relaxed

Question

Which of the following describes the stage of the cardiac cycle shown? 
A)AV and SL valves both open, ventricles contracting 
B)AV valves open, SL valves closed, ventricles contracting 
C)AV valves closed, SL valves open, ventricles contracting 
D)AV valves closed, SL valves open, ventricles relaxed

Quizplus · Accepted Answer

The stage of the cardiac cycle shown depicts the ventricles contracting (systole) with closed AV valves and open SL valves, allowing blood to be ejected from the ventricles into the pulmonary artery and aorta.

Which of the Following Describes the Stage of the Cardiac