Multiple Choice
What phase of the cardiac cycle is the heart in when all four valves of the heart are closed and ventricular pressure is building, but is not yet great enough to open a valve?
A) ventricular filling
B) isovolumetric relaxation
C) isovolumetric contraction
D) ventricular ejection
E) none
Correct Answer:
Verified
Correct Answer:
Verified
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