Relias Dysrhythmia Basic A Test 2025/2026 Complete Questions

Relias Dysrhythmia Basic A Test 2025/2026 - Complete Questions & Correct Answers | Latest Exam Prep Guide 1. What is the normal rate for sinus rhythm? A. 40-60 bpm B. 60-100 bpm C. 100-150 bpm D. 20-40 bpm 2. The normal PR interval measures: A. 0.04-0.10 sec B. 0.12-0.20 sec C. 0.20-0.40 sec D. >0.40 sec 3. A normal QRS complex duration is: A. 0.06-0.10 sec B. 0.12-0.20 sec C. 0.20-0.30 sec D. >0.12 sec 4. Which waveform represents ventricular depolarization? A. P wave B. QRS complex C. T wave D. U wave 5. The isoelectric line on an ECG is also known as the: A. Baseline B. ArtifactC. ST segment D. TP segment 6. How many large boxes are typically used to calculate heart rate if the rhythm is regular? A. 300 B. 300 divided by number of large boxes between R waves C. 1500 divided by number of small boxes D. 6-second strip count 7. A normal P wave is: A. Inverted in lead II B. Upright in lead II, followed by a QRS C. Biphasic in all leads D. Absent in sinus rhythm 8. The QT interval should be corrected for: A. Age B. Gender C. Heart