Multiple choice

During which stages of cardiac cycle do atrioventricular valves remain closed?

  1. Atrial Systole
  2. Isovolumetric Contraction
  3. Ventricular Ejection
  4. Isovolumetric Relaxation
  5. Ventricular Filling

  1. 1, 2 and 3

  2. 1 and 5

  3. 2, 3 and 4

  4. 2 and 5

  5. 3, 4 and 5

Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Atrioventricular valves remain closed during isovolumetric contraction, ventricular ejection and isovolumetric relaxation.