Certified Cardiac Rehabilitation Professional (CCRP) Practice Test 2025 - Free CCRP Practice Questions and Study Guide

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What is the expected outcome when the input valves of the heart shut?

End of diastole

When the input valves of the heart, which include the mitral and tricuspid valves, shut, this action signals the transition from the diastolic phase to the systolic phase of the cardiac cycle. Specifically, it marks the end of diastole and the beginning of systole. This closure occurs during ventricular contraction, preventing backflow of blood into the atria and ensuring that blood is effectively pumped into the arteries. The timing of these events is crucial for maintaining efficient circulation and proper hemodynamics. Understanding this transition is fundamental for interpreting heart function and the phases of the cardiac cycle in the context of cardiac rehabilitation and overall cardiovascular health.

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Beginning of systole

Effect on blood pressure

Reduced cardiac output

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