EKG Competency Exam Latest
Version (Updated 2025) with
complete solutions
What is the ventricular measure? - CORRECT ANSWER-R wave to R wave
What is the atrial measure? - CORRECT ANSWER-P wave to P wave
How many P waves to each QRS? - CORRECT ANSWER-one P wave
What is the normal PR interval? - CORRECT ANSWER-0.12-0.20 seconds
What is the normal QRS? - CORRECT ANSWER-0.04-0.12 seconds
What does the P wave indicate? - CORRECT ANSWER-atrial
depolarization/atrial contraction
What does the PR interval indicate? - CORRECT ANSWER-atrial systole
What does the QRS indicate? - CORRECT ANSWER-ventricular
depolarization/ventricular contraction
What does the ST segment indicate? - CORRECT ANSWER-
resting/reoxygenation period of the heart and ventricular repolarization
Version (Updated 2025) with
complete solutions
What is the ventricular measure? - CORRECT ANSWER-R wave to R wave
What is the atrial measure? - CORRECT ANSWER-P wave to P wave
How many P waves to each QRS? - CORRECT ANSWER-one P wave
What is the normal PR interval? - CORRECT ANSWER-0.12-0.20 seconds
What is the normal QRS? - CORRECT ANSWER-0.04-0.12 seconds
What does the P wave indicate? - CORRECT ANSWER-atrial
depolarization/atrial contraction
What does the PR interval indicate? - CORRECT ANSWER-atrial systole
What does the QRS indicate? - CORRECT ANSWER-ventricular
depolarization/ventricular contraction
What does the ST segment indicate? - CORRECT ANSWER-
resting/reoxygenation period of the heart and ventricular repolarization