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CRAT exam UPDATED Study Guide QUESTIONS AND CORRECT ANSWERS

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CRAT exam UPDATED Study Guide QUESTIONS AND CORRECT ANSWERS Four chambers of the heart - CORRECT ANSWERS ventricle, left atrium, left ventricle Pacemaker of the heart - CORRECT ANSWERS Normal conduction pathway - CORRECT ANSWERS node, bundle of his, R&L bundle branches, purkinje fibers one small box measurement - CORRECT ANSWERS milliseconds one large box measurement - CORRECT ANSWERS milliseconds right atrium, right SA node

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CRAT exam UPDATED Study Guide
QUESTIONS AND CORRECT ANSWERS
Four chambers of the heart - CORRECT ANSWERS right atrium, right
ventricle, left atrium, left ventricle


Pacemaker of the heart - CORRECT ANSWERS SA node


Normal conduction pathway - CORRECT ANSWERS SA node, AV
node, bundle of his, R&L bundle branches, purkinje fibers


one small box measurement - CORRECT ANSWERS 0.04 seconds 40
milliseconds


one large box measurement - CORRECT ANSWERS 0.2 seconds 200
milliseconds


How many seconds are between three tick marks on the top of a graph paper -
CORRECT ANSWERS 6 seconds


what are the normal PRI mesurements - CORRECT ANSWERS 0.12-
0.20


what are the normal QRS measurements - CORRECT ANSWERS less
than 0.12


What does the P wave represent - CORRECT ANSWERS atrial
depolarization

, What does the QRS represent - CORRECT ANSWERS ventricular
depolarization


What does the T wave represent - CORRECT ANSWERS ventricular
repolarization


What are the heart rates for NSR - CORRECT ANSWERS 60-100 BPM


What are the heart rates for Sinus Bradycardia - CORRECT ANSWERS
less that 60 BPM


What are the heart rates for Sinus Tachycardia - CORRECT ANSWERS
Greater than 100 BPM


What word represents a slightly irregular rhythm or respirations - CORRECT
ANSWERS Arrhythmia


three methods of determining heart rate - CORRECT ANSWERS most
accurate - small squares /1500
Semi accurate - big squares /300
Generic - counting QRS's in 6 seconds, multiply by 10


Resting/ ready for action potential - CORRECT ANSWERS Polarized


Discharge potential - CORRECT ANSWERS Depolarized


Recovery potential - CORRECT ANSWERS Repolarized
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