MDCAT Biology MCQ #2103

During diastole, what happens to the atrioventricular valves?

MDCAT Biology MCQ #2103

  1. Question 1

    Q1. During diastole, what happens to the atrioventricular valves?

    • A) They remain closed
    • B) They open to allow blood flow into the ventricles
    • C) They are forced shut
    • D) They become incompetent

    Answer: They open to allow blood flow into the ventricles

    Explanation: During diastole, atrioventricular valves open, allowing blood to flow into ventricles. They close during ventricular systole.