Multiple choice

Which of the following lie(s) in the deepest layer of the endocardium?

  1. Atrioventricular node

  2. Purkinje fibres

  3. Sinoatrial node

  4. Bundle of his

  5. Bundle branch block

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

Purkinje fibres lie in the deepest layer of the endocardium.