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18. The Heart

18. The Heart / Cardiac Cycle / Problem 9

Which of the following correctly describes the sequence of events in a cardiac cycle?

A

Isovolumic contraction → Ventricular ejection → Isovolumic relaxation → Passive ventricular filling → Active ventricular filling

B

Isovolumic relaxation → Ventricular ejection → Isovolumic contraction → Passive ventricular filling → Active ventricular filling

C

Isovolumic relaxation → Ventricular ejection → Isovolumic contraction → Active ventricular filling → Passive ventricular filling

D

Isovolumic contraction → Ventricular ejection → Isovolumic relaxation → Active ventricular filling → Passive ventricular filling

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