In What Phase Is the Cardiac Cycle When All Four

question 49

Multiple Choice

In what phase is the cardiac cycle when all four valves are closed and pressure in the ventricle is decreasing?

• A) atrial contraction
• B) ventricular filling
• C) isovolumetric contraction
• D) isovolumetric relaxation
• E) ventricular ejection

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Hawthorne Study

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