Answered

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Which statement below best describes the term "cardiac preload"?

A. The volume of blood in the ventricles at the end of diastole.
B. The pressure the heart must work against to eject blood during systole.
C. The rate at which the heart beats per minute.
D. The amount of blood pumped by the heart in one minute.

Sagot :

GinnyAnsweridn

Final answer:

Cardiac preload is the amount of blood in the ventricles before contraction, influenced by filling time and stretching of the ventricular muscle.


Explanation:

Cardiac preload refers to the amount of blood in the ventricles at the end of atrial systole just before ventricular contraction. It is influenced by factors like filling time, stretching of the ventricular muscle, and venous return. Increasing preload leads to a more forceful contraction of the heart muscle.


Learn more about Cardiac preload here:

https://brainly.com/question/44376041


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