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EKG KAISER EKG BASICS QUESTIONS & ANSWERS

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EKG KAISER EKG BASICS QUESTIONS & ANSWERS

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  • November 2, 2024
  • 8
  • 2024/2025
  • Exam (elaborations)
  • Questions & answers
  • EKG KAISER EKG BASICS
  • EKG KAISER EKG BASICS
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GEEKA
EKG KAISER EKG BASICS QUESTIONS & ANSWERS
What property is the ability of a cardiac cell to initiate an electrical impulse?
Automaticity
Excitability
Conductivity
Contractility - Answers- Automaticity

What electrolyte is important in cardiac muscle contraction?
Calcium
Chloride
Glucose
Phosphorus - Answers- Calcium

What are ECG artifacts?
A normal finding
False cardiac waves
The action potential
Ventricular repolarization - Answers- False cardiac waves

What is the most common reason for the alarm to sound during an ECG procedure?
Abnormal cardiac rhythm
Loosening of a leadwire
Myocardial infarction
Patient motion artifact - Answers- Loosening of a leadwire

Lead I is helpful for monitoring? (Select all that apply)
Atrial rhythms
Hemi blocks
QRS complexes
Ventricular function - Answers- Atrial rhythms
Hemi blocks

When the parasympathetic nerve fibers are stimulated what is released?
Acetylcholine
Adrenaline
Norepinephrine
Vagal - Answers- Acetylcholine

ECGs are used to monitor the effects of new medications.
True
False - Answers- True

ECGs may be used to monitor: (Select all that apply.)
Deviations from rhythm trends
Effects of a new drug

, Ejection fraction
Rhythm trends - Answers- Deviations from rhythm trends
Effects of a new drug
Rhythm trends

Along with Lead II, Lead III is most helpful for monitoring what?
Anterior wall
Changes associated with inferior wall myocardial infarction
QRS complexes
Ventricular function - Answers- Changes associated with inferior wall myocardial
infarction

What is the normal measurement for the QRS complex?
0.04 to 0.12 seconds
0.04 to 0.10 seconds
0.10 to 0.24 seconds
0.14 to 0.20 seconds - Answers- 0.04 to 0.10 seconds

The PRI is condensed abnormal or prolonged if it measures greater than _____.
0.06 seconds
0.12 seconds
0.20 seconds
0.24 seconds - Answers- 0.20 seconds

What is the intrinsic rate of the ventricles (Purkinje fibers)?
20 - 40 beats per minute
40 - 60 beats per minute
60 - 100 beats per minute
100 - 150 beats per minute - Answers- 20 - 40 beats per minute

What type of heart valve separates the atrium and the ventricle?
Aortic
Atrioventricular
Pulmonic
Semilunar - Answers- Atrioventricular

What is the intrinsic rate of the AV node?
20 - 40 beats per minute
40 - 60 beats per minute
60 - 100 beats per minute
100 - 150 beats per minute - Answers- 40 - 60 beats per minute

What vessel brings blood to the right atrium?
Pulmonic valve
Right ventricle
Superior and inferior vena cava

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