it14spr102.2AC15T89

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  1. What is composed of an internal pacemaker and nerve like conduction pathways through the myocardium?
    • Cardiac Conduction System
  2. What is the patch of modified cardiocytes in the right atrium?
    • Sinoatrial Node
  3. What starts each heartbeat?
    Pacemaker
  4. What acts as an electrical gateway to ventricles?
    • Atrioventricular Node
  5. What is the name of the pathway in which signals leave the Atrioventricular Node?
    • AV Bundle or Bundle of His
  6. What distributes electrical excitation to the cardiocytes of the ventricles?
    • Purkinje Fibers
  7. A mass of merging cells acts as a unit in the atrial and ventricle walls is what?
    • Functional Syncytium
  8. What network of cardiac muscle cells connected by intercalated disks that lends to the contraction of the atria?
    • Atrial Syncytium
  9. What network of cardiac muscle cells connected by a gap junction that leads to contraction of ventricles?
    • Ventricular Syncytium

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Author:
Anonymous
ID:
256904
Filename:
it14spr102.2AC15T89
Updated:
2014-01-16 17:29:10
Tags:
profmwinston
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ch15 t89
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