Systolic refers to:

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Multiple Choice

Systolic refers to:

Explanation:
Systole is the contraction phase of the heart. During this time the heart muscle, especially the ventricles, contracts to push blood into the aorta and pulmonary artery, which creates the peak arterial pressure we read as the systolic value on a blood pressure measurement. In contrast, diastole is the relaxation phase when the heart fills with blood. So, the term refers to the contracting action, not relaxation, and while blood pressure readings include a systolic number, that number reflects this contraction phase rather than being the term itself. Valve opening is a mechanical event that occurs during contraction but isn’t the definition of systole.

Systole is the contraction phase of the heart. During this time the heart muscle, especially the ventricles, contracts to push blood into the aorta and pulmonary artery, which creates the peak arterial pressure we read as the systolic value on a blood pressure measurement. In contrast, diastole is the relaxation phase when the heart fills with blood. So, the term refers to the contracting action, not relaxation, and while blood pressure readings include a systolic number, that number reflects this contraction phase rather than being the term itself. Valve opening is a mechanical event that occurs during contraction but isn’t the definition of systole.

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