Relias Dysrhythmia Basic Test 2023 Practice
Exam: ECG Rhythm Identification and Full
Review Guide
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**Question 1**
The P wave on an ECG represents:
o Ventricular depolarization
☑ Atrial depolarization
o Ventricular repolarization
o Atrial repolarization
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**Question 2**
What is the normal duration for the PR interval?
o 0.06 - 0.10 seconds
☑ 0.12 - 0.20 seconds
o Greater than 0.20 seconds
o Less than 0.12 seconds
________________________________________________
**Question 3**
, Which dysrhythmia is characterized by an "irregularly irregular" rhythm and the
absence of discernible P waves?
o Atrial Flutter
o Sinus Arrhythmia
☑ Atrial Fibrillation
o Ventricular Fibrillation
________________________________________________
**Question 4**
A normal QRS complex should measure:
o 0.12 - 0.20 seconds
o Greater than 0.20 seconds
☑ Less than 0.12 seconds
o 0.10 - 0.15 seconds
________________________________________________
**Question 5**
When using the 6-second strip method to calculate the heart rate of an irregular
rhythm, the nurse counts 8 QRS complexes. What is the estimated heart rate?
o 60 bpm
☑ 80 bpm
o 100 bpm
o 120 bpm
________________________________________________
**Question 6**
A rhythm with a rate of 45 bpm, a regular rhythm, a P wave before every QRS, a
normal PR interval, and a normal QRS is identified as:
Exam: ECG Rhythm Identification and Full
Review Guide
________________________________________________
**Question 1**
The P wave on an ECG represents:
o Ventricular depolarization
☑ Atrial depolarization
o Ventricular repolarization
o Atrial repolarization
________________________________________________
**Question 2**
What is the normal duration for the PR interval?
o 0.06 - 0.10 seconds
☑ 0.12 - 0.20 seconds
o Greater than 0.20 seconds
o Less than 0.12 seconds
________________________________________________
**Question 3**
, Which dysrhythmia is characterized by an "irregularly irregular" rhythm and the
absence of discernible P waves?
o Atrial Flutter
o Sinus Arrhythmia
☑ Atrial Fibrillation
o Ventricular Fibrillation
________________________________________________
**Question 4**
A normal QRS complex should measure:
o 0.12 - 0.20 seconds
o Greater than 0.20 seconds
☑ Less than 0.12 seconds
o 0.10 - 0.15 seconds
________________________________________________
**Question 5**
When using the 6-second strip method to calculate the heart rate of an irregular
rhythm, the nurse counts 8 QRS complexes. What is the estimated heart rate?
o 60 bpm
☑ 80 bpm
o 100 bpm
o 120 bpm
________________________________________________
**Question 6**
A rhythm with a rate of 45 bpm, a regular rhythm, a P wave before every QRS, a
normal PR interval, and a normal QRS is identified as:
