| 11. | The strength of heart muscle contractions controls the stroke volume.
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| 12. | Blood volume increases act to increase stroke volume of the heart via Starling's law.
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| 13. | This increases the contractile force of the cardiac muscle, resulting in increased stroke volume.
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| 14. | The area under the flow-versus-time curve for one cardiac cycle is the stroke volume.
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| 15. | Conversely during expiration, the heart is compressed, decreasing cardiac efficiency and increasing stroke volume.
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| 16. | Cardiac output ( CO ) is the product of stroke volume and heart rate.
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| 17. | This type of exercise also increases both heart rate and stroke volume of the heart.
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| 18. | This is affected by stroke volume and heart rate.
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| 19. | Sodium thiopental decreases the cardiac stroke volume, which results in a decrease in cardiac output.
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| 20. | The stroke volume is affected by changes in preload, afterload, and inotropy ( contractility ).
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