Multiple choice

Which structure prevents the mitral valve from being pushed into the auricles at the time of ventricular contraction?

  1. Sinuauricular node

  2. Bundle of His

  3. Papillary muscles

  4. Cuspid valve

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

Papillary muscles that are situated in the left ventricle prevent the mitral valve from being pushed into the auricles at the time of ventricular contraction.