Question

If a person is undergoing artificial pacemaker transplant then at which of the following structure the transplantation occurs?

• A. SA node
• B. AV node
• C. SA bundles
• D. Right ventricle

Answer 1

The correct option is A SA node

• Heart's sinus node (SA node) is our natural pacemaker (located in the upper right chamber of the heart).
• It sends an electrical impulse to produce the heartbeat.
• The job of a pacemaker is to artificially take over the role of your sinus node if it isn't working properly.
  
• So, the correct answer is 'SA node'.