Exercise results in skeletal muscles compressing veins which encourages blood to return to the heart. In this scenario, which of the following is correct

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21-07-2022
Biology

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Exercise results in skeletal muscles compressing veins which encourages blood to return to the heart. In this scenario, which of the following is correct

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barackodam barackodam · Answer 1 · 2022-07-29T19:00:40+02:00

The exercise results in skeletal muscles compressing veins which encourages blood to return to the heart. In this scenario is that the preload increases. Option D

What are preloads?

Preload are also known as the left ventricular end-diastolic pressure (LVEDP)

It is also known as the amount of ventricular stretch at the end of diastole. It is the heart loading up for the next big squeeze of the ventricles during the systole.

Preload is also affected by the rate of venous return and the venous blood pressure , which are affected by the volume of circulating blood and venous tone .

Preload is increased by exercising , or increase in blood pressure and neuroendocrine excitement .

Thus, the exercise results in skeletal muscles compressing veins which encourages blood to return to the heart. In this scenario is that the preload increases. Option D

The complete question is

Exercise results in skeletal muscles compressing veins which encourages blood to return to the heart. In this scenario, which of the following is correct?

a. End diastolic volume (EDV) decreases.

b. Stroke volume decreases

c. Venous return decreases.

d. Preload increases.

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