During the Isovolumetric Phase of Ventricular Systole

question 283

Multiple Choice

During the isovolumetric phase of ventricular systole:

• A) the ventricles are contracting isometrically.
• B) the atrioventricular valves and semilunar valves are closed.
• C) blood is ejected into the great vessels.
• D) the ventricles are relaxing.
• E) both (a) and (b) above.

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