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Questions and Answers
Which structure in the heart is responsible for producing the impulses for heartbeat?
Which structure in the heart is responsible for producing the impulses for heartbeat?
- Atrial muscle
- Sinoatrial node (correct)
- Atrioventricular node
- Pacemaker cells
Who named the sinoatrial node as the pacemaker of the heart?
Who named the sinoatrial node as the pacemaker of the heart?
- Dr. John Smith
- Sir William Harvey
- Lewis Sir Thomas (correct)
- Dr. Michael Ellis
Where is the sinoatrial node located in the heart?
Where is the sinoatrial node located in the heart?
- Superior vena cava
- Right ventricle
- Left atrium
- Right atrium (correct)
Which part of the heart is continuous with the fibers of the sinoatrial node?
Which part of the heart is continuous with the fibers of the sinoatrial node?
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Why is the sinoatrial node referred to as the pacemaker of the heart?
Why is the sinoatrial node referred to as the pacemaker of the heart?
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