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Electrical Coordination of the Heartbeat
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Electrical Coordination of the Heartbeat

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@HumbleEuler

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Questions and Answers

What is the term used to describe the heartbeat originating from within the cardiac muscle itself?

  • Myogenic (correct)
  • Endogenic
  • Cardiogenic
  • Myocardial
  • Which structure in the heart is commonly known as the pacemaker?

  • Bundle of His
  • Sino-atrial node (correct)
  • Atrio-ventricular node
  • Purkinje fibers
  • Where is the Atrio-ventricular node (AVN) located in the heart?

  • Right atrium (correct)
  • Right ventricle
  • Left ventricle
  • Left atrium
  • What prevents the direct transmission of electrical activity from the atria to the ventricles in the heart?

    <p>Non-conducting tissue</p> Signup and view all the answers

    What function does the delay at the Atrio-ventricular node (AVN) serve in the heart's conduction system?

    <p>To slow down electrical transmission</p> Signup and view all the answers

    Where does the electrical activity travel after passing through the Atrio-ventricular node (AVN) in the heart?

    <p>Purkinje fibers</p> Signup and view all the answers

    Which node is responsible for emitting waves of electrical activity to stimulate atrial contraction in the heart?

    <p>Sino-atrial node</p> Signup and view all the answers

    What is the purpose of having a layer of non-conducting tissue between the atria and ventricles in the heart?

    <p>To slow down electrical transmission</p> Signup and view all the answers

    Why must electrical activity pass through the AV node before reaching the ventricles in the heart?

    <p>To allow time for atrial contraction before ventricular contraction</p> Signup and view all the answers

    What is the final destination of electrical activity after passing through the bundle of His in the heart?

    <p>Purkinje fibers in ventricle walls</p> Signup and view all the answers

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