Certified Cardiographic Technician (CCT) Practice Exam 2025 – Your All-in-One Guide to Exam Success!

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Name the phase of the cardiac cycle when the ventricles are contracted.

Diastole

Isovolumetric contraction

Systole

During the cardiac cycle, the term that describes the phase when the ventricles are contracted is systole. During this phase, the muscles in the ventricles contract to pump blood out of the heart; the right ventricle sends deoxygenated blood to the lungs, while the left ventricle pumps oxygenated blood to the rest of the body.

Systole is crucial for maintaining the flow of blood and ensuring that vital organs receive the oxygen and nutrients they require. This phase follows diastole, which involves the relaxation and filling of the ventricles with blood, and is distinct from isovolumetric contraction, which is a part of systole where the ventricles are contracted but there is no change in volume because the valves are closed. Atrial contraction occurs before the ventricles contract and is responsible for filling the ventricles with blood but does not describe the contraction of the ventricles themselves.

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Atrial contraction

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