Question

Which structure is not responsible for the transmission of action potential to the ventricles?

• A. AV bundle
• B. AVN
• C. SAN
• D. Bundle of His

Answer 1

Answer:

C. SAN

SAN or the sinoatrial node is auto excitable and is responsible for generating the action potential. This action potential is transmitted to the ventricles via the AVN, the AV bundle and the Bundle of His.