Arterial systolic pressure occurs ____________________ while arterial diastolic pressure occurs_____________________
A. at the same time as closure of the semilunar valves; at the same time as closure of the atrioventricular valves
B. during the isovolumetric contraction phase of the cardiac cycle; during the isovolumetric relaxation phase of the cardiac cycle
C. at the same time as the P-wave of the electrocardiogram; at the same time as the T-wave of the electrocardiogram
D. when the the ventricle reaches end-systolic volume; when the ventricle reaches end-diastolic volume
E. during the middle of the phase of ventricular ejection; just before the semilunar valve opens
E
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