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The volume of blood in the ventricles before they contract is termed:
stroke volume
cardiac output
end diastolic volume
afterload
The volume of blood in the ventricles before they contract is termed:
stroke volume
cardiac output
end diastolic volume
afterload
Ask by Hilton Byrd. in the United States
Mar 27,2025
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The volume of blood in the ventricles before they contract is called end diastolic volume.
Solución
The volume of blood in the ventricles before they contract is termed end diastolic volume.
Here’s a brief explanation of the terms for clarity:
- Stroke volume: The amount of blood pumped by the heart with each beat.
- Cardiac output: The total volume of blood the heart pumps per minute, calculated as stroke volume multiplied by heart rate.
- End diastolic volume: The volume of blood in the ventricles at the end of filling (diastole) before contraction.
- Afterload: The resistance the heart must overcome to eject blood during systole.
Thus, the correct answer is end diastolic volume.
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The volume of blood in the ventricles before they contract is a crucial measurement known as the end diastolic volume (EDV). It represents the maximum filling of the ventricles during the heart’s relaxation phase, giving an insight into how much oxygen-rich blood is pumped out when the heart beats, thus influencing overall heart performance.
Understanding end diastolic volume is not just for textbooks; it plays a vital role in real-world medicine! Healthcare professionals often monitor EDV during echocardiograms to assess heart function in patients with heart diseases. By analyzing EDV, they can tailor treatment plans to improve blood flow and patient outcomes, showing that every heartbeat counts!
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