Start learning →

In 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.
Practise this question with Quill — AP Intermediate 1st Year →

Keep practising Body Fluids and Circulation

Browse all Body Fluids and Circulation questions for AP Intermediate 1st Year, or explore more Biology topics.

Start a Body Fluids and Circulation lesson →
Related questions
Plasma makes up roughly what share of human blood?Tap the bigger blood valuePair each trace with its eventCall every blood componentOrder one cardiac cycleSort the ABO blood groupsNEET · Biology · Blood Flow Through the HeartNEET · Biology · Blood Component ↔ Function