EKG Kaiser EKG basics exam questions with
complete answers.
What property is the ability of a cardiac cell to initiate an electrical impulse?
Automaticity
Excitability
Conductivity
Contractility - Correct Answer Automaticity
What electrolyte is important in cardiac muscle contraction?
Calcium
Chloride
Glucose
Phosphorus - Correct Answer Calcium
What are ECG artifacts?
A normal finding
False cardiac waves
The action potential
Ventricular repolarization - Correct Answer False cardiac waves
What is the most common reason for the alarm to sound during an ECG procedure?
Abnormal cardiac rhythm
Loosening of a lead wire
Myocardial infarction
Patient motion artifact - Correct Answer Loosening of a lead wire
Lead I is helpful for monitoring? (Select all that apply)
Atrial rhythms
Hemi blocks
QRS complexes
Ventricular function - Correct Answer Atrial rhythms
Hemi blocks
When the parasympathetic nerve fibers are stimulated what is released?
Acetylcholine
Adrenaline
Norepinephrine
Vagal - Correct Answer Acetylcholine
ECGs are used to monitor the effects of new medications.
True
False - Correct Answer True
ECGs may be used to monitor: (Select all that apply.)
, Deviations from rhythm trends
Effects of a new drug
Ejection fraction
Rhythm trends - Correct Answer 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 - Correct Answer 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 - Correct Answer 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 - Correct Answer 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 - Correct Answer 20 - 40 beats per minute
What type of heart valve separates the atrium and the ventricle?
Aortic
Atrioventricular
Pulmonic
Semilunar - Correct Answer 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 - Correct Answer 40 - 60 beats per minute
What vessel brings blood to the right atrium?
Pulmonic valve
complete answers.
What property is the ability of a cardiac cell to initiate an electrical impulse?
Automaticity
Excitability
Conductivity
Contractility - Correct Answer Automaticity
What electrolyte is important in cardiac muscle contraction?
Calcium
Chloride
Glucose
Phosphorus - Correct Answer Calcium
What are ECG artifacts?
A normal finding
False cardiac waves
The action potential
Ventricular repolarization - Correct Answer False cardiac waves
What is the most common reason for the alarm to sound during an ECG procedure?
Abnormal cardiac rhythm
Loosening of a lead wire
Myocardial infarction
Patient motion artifact - Correct Answer Loosening of a lead wire
Lead I is helpful for monitoring? (Select all that apply)
Atrial rhythms
Hemi blocks
QRS complexes
Ventricular function - Correct Answer Atrial rhythms
Hemi blocks
When the parasympathetic nerve fibers are stimulated what is released?
Acetylcholine
Adrenaline
Norepinephrine
Vagal - Correct Answer Acetylcholine
ECGs are used to monitor the effects of new medications.
True
False - Correct Answer True
ECGs may be used to monitor: (Select all that apply.)
, Deviations from rhythm trends
Effects of a new drug
Ejection fraction
Rhythm trends - Correct Answer 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 - Correct Answer 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 - Correct Answer 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 - Correct Answer 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 - Correct Answer 20 - 40 beats per minute
What type of heart valve separates the atrium and the ventricle?
Aortic
Atrioventricular
Pulmonic
Semilunar - Correct Answer 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 - Correct Answer 40 - 60 beats per minute
What vessel brings blood to the right atrium?
Pulmonic valve
