Important mechanisms for maintaining venous return to the right atrium include (elect all that apply):
A) Cardiac output
B) Atrioventricular (AV) valves
C) Skeletal muscle contraction
D) Blood volume
E) Vascular tone

Question

Quizplus · Accepted Answer

Venous return is dependent on blood volume and flow through the venous system and the AV valves.Skeletal muscle function assists the flow of blood toward the heart.This important mechanism of venous return is called the muscle pump.Vascular tone must be maintained to facilitate return.

Important Mechanisms for Maintaining Venous Return to the Right Atrium