Isovolumetric Contraction__________

question 63

Multiple Choice

Isovolumetric contraction__________ .

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

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