Isovolumetric contraction _.
A) occurs immediately after the aortic and pulmonary valves close
B) refers to the short period during ventricular systole when the ventricles are completely closed chambers
C) occurs while the AV valves are open
D) occurs only in people with heart valve defects

Question

Quizplus · Accepted Answer

Isovolumetric contraction is the phase in the cardiac cycle where the ventricles contract with no volume change because all heart valves are closed.

Isovolumetric Contraction _