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Ch 1-3 Appen A&B

  1. 2 distinct components of pumping heart blood 

    how?
    electrical- initiate impulse and conducts it through 

    mechanical- respond by contracting and pumping
  2. a cell at rest is 

    the discharged state is 

    the recovery state is
    polarized 

    depolarized

    repolarized
  3. what is the conduction system pathway?
    SA node to intraatrial and internodal pathways, to the AV node, the bundle of His, the RT/LT bundle branch, and purkinje
  4. 3 major areas of conduction system

    what are the normal bpm
    • SA Node 60-100 bpm 
    • AV Junction 40-60 bpm 
    • Ventricles 20-40 bpm
  5. What NS speeds up HR?
    sympathetic
  6. what NS slows down HR
    what nerve
    • parasympathetic
    • vagus
  7. Normal PRI

    Normal QRS
    .12-.20

    <.12
  8. small box time

    big box time
    .04

    .2
Author
miss_bayley
ID
315804
Card Set
Ch 1-3 Appen A&B
Description
quiz 1
Updated

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