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The most important force in venous flow is the pressure generated by the heart.

What is venous flow?

Venous flow is defined as the flow of deoxygenated blood through the vein back to the heart.

The blood flow through this means depends on the following:

  • Vasoconstriction

  • Increase in arterial blood flow

  • The heart rate.

Therefore, the most important force in venous flow is the pressure generated by the heart.

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adioabiola

The most important force in the venous flow among the answer choices is; Choice B; The pressure generated by the heart.

Which force is most important in venous flow?

From the blood flow study, it follows that the veins in discuss move blood against gravity and hence, the most important force to effect venous flow is the pressure generated by the heart as this is what is responsible for the pressure head required to effect veinous flow.

Remarks;

A. Cardiac suction.

B. The pressure generated by the heart.

C. The skeletal muscle pump.

D. The thoracic (respiratory) pump.

E. The one way flow due to valves.

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