Multiple choice

A patient suffering from some heart trouble was given a battery operated pacemaker. Which of the following structures would be affected in that patient?

  1. Purkinje fibres

  2. Sinu-atrial node

  3. Abio-ventricular node

  4. Bundle of HIS

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

Sinu-atrial node is the natural pacemaker of the heart. When it becomes faulty, artificial pacemaker is given.