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What is the primary pacemaker of the heart?

Practice Questions

1 question
Q1
What is the primary pacemaker of the heart?
  1. Atrioventricular node
  2. Bundle of His
  3. Sinoatrial node
  4. Purkinje fibers

Questions & Step-by-step Solutions

1 item
Q
Q: What is the primary pacemaker of the heart?
Solution: The sinoatrial (SA) node is the primary pacemaker of the heart, initiating the heartbeat.
Steps: 0

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