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What is the name of the heart's natural pacemaker?

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What’s inside this PDF?

Question: What is the name of the heart\'s natural pacemaker?

Options:

  1. Atrioventricular node
  2. Sinoatrial node
  3. Bundle of His
  4. Purkinje fibers

Correct Answer: Sinoatrial node

Solution: 

The sinoatrial (SA) node is known as the heart\'s natural pacemaker, initiating the electrical impulses that regulate heartbeats.

What is the name of the heart's natural pacemaker?

Practice Questions

Q1
What is the name of the heart's natural pacemaker?
  1. Atrioventricular node
  2. Sinoatrial node
  3. Bundle of His
  4. Purkinje fibers

Questions & Step-by-Step Solutions

What is the name of the heart's natural pacemaker?
  • Step 1: Understand that the heart needs a way to control its beats.
  • Step 2: Learn that there is a special group of cells in the heart that helps with this control.
  • Step 3: Know that this group of cells is called the sinoatrial (SA) node.
  • Step 4: Remember that the SA node is often referred to as the heart's natural pacemaker.
  • Step 5: Realize that the SA node sends out electrical signals that tell the heart when to beat.
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