alleryIn the cardiac cycle, ventricular pressure rises sharply during
AMid diastolic filling of atria
BAtrial systole when atria contract
CVentricular systole when ventricles pump
DJoint diastole when all are relaxed
Answer & Solution
Correct answer: C. Ventricular systole when ventricles pump
Ventricular systole produces the major pressure surge that closes the AV valves (lub) and opens the semilunar valves, ejecting blood into pulmonary artery and aorta.
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