MDCAT Biology MCQ #2151

Which factor increases venous return to the heart?

MDCAT Biology MCQ #2151

  1. Question 1

    Q1. Which factor increases venous return to the heart?

    • A) Increased peripheral resistance
    • B) Decreased blood volume
    • C) Muscle contraction
    • D) Standing still for long periods

    Answer: Muscle contraction

    Explanation: Muscle contraction compresses veins and increases venous return; standing still decreases return.