Which of the Following Does Not Contribute to Venous Return

question 46

Multiple Choice

Which of the following does not contribute to venous return?

• A) The difference of pressure between venules and the venae cavae
• B) The expansion and contraction of the thoracic cavity during ventilation
• C) The suction created by the atria slightly expanding during ventricular systole
• D) Widespread vasodilation
• E) Contraction of skeletal muscles of the limbs

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