6 Questions
What happens during the isometric ventricular contraction phase?
Closure of AV valves and rising ventricular pressure
How much blood is ejected during the ventricular ejection phase?
Two thirds (2/3) of the blood
What event leads to the opening of the semilunar valves?
Rising ventricular pressure
What occurs during the isometric ventricular contraction phase?
Rising ventricular pressure results in closure of AV valves
What leads to the closure of the AV valves?
Rising ventricular pressure
What marks the beginning of the ventricular ejection phase?
Rising ventricular pressure opens semilunar valves
Test your knowledge of the timing and phases of the cardiac cycle with this quiz. Identify the events that occur during ventricular systole and atrial relaxation, as well as the key phases and durations.
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