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Relias Dysrhythmia Basic Test 2026 | 35 ECG Practice Questions

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Pass the Relias Dysrhythmia Basic Test with 35 practice questions covering ECG interpretation, sinus, atrial, ventricular rhythms, heart blocks, and ACLS. Relias dysrhythmia, basic dysrhythmia test, ECG interpretation, nursing arrhythmia exam, ACLS prep, sinus rhythms, atrial fibrillation, ventricular tachycardia, heart blocks, cardiac telemetry, Relias 2026, EKG practice test, nursing competency exam, cardiac rhythms study guide

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Relias Dysrhythmia Basic Test 2026/2027 | 35 Questions
and ANSWERS>s (Basic A Dysrhythmia) | Verified &
Updated
Section 1: Basic Cardiac Anatomy & Electrophysiology
1. What is the normal intrinsic rate of the Sinoatrial (SA) node?
A) 40-60 beats per minute
B) 60-100 beats per minute
C) 100-150 beats per minute
D) 20-40 beats per minute
Answer: B


2. Which of the following structures is known as the heart's primary
pacemaker?
A) Atrioventricular (AV) node
B) Bundle of His
C) Sinoatrial (SA) node
D) Purkinje fibers
Answer: C


3. What does the P wave represent on an ECG tracing?
A) Ventricular depolarization

, B) Ventricular repolarization
C) Atrial depolarization
D) Atrial repolarization
Answer: C


4. The PR interval represents the time it takes for the electrical impulse
to travel from the:
A) SA node to the AV node
B) AV node to the Purkinje fibers
C) Atria to the ventricles (through the AV node)
D) Bundle of His to the ventricular muscle
Answer: C


5. What is the normal duration of the PR interval in an adult?
A) 0.04 - 0.10 seconds
B) 0.12 - 0.20 seconds
C) 0.20 - 0.30 seconds
D) 0.08 - 0.12 seconds
Answer: B


6. The QRS complex on an ECG represents:

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