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UCLA EKG TEST QUESTI ONS AND
ANSWERS ALL VERIFIED
Question 1: What is the AV node rate?
CORRECT ANSWER: 40-60 bpm
Question 2: What is the SA node rate?
CORRECT ANSWER: 60-100 bpm
Question 3: What is the Purkinje fibers rate?
CORRECT ANSWER: 20-40 bpm
Question 4: PR interval is from _ to _?
CORRECT ANSWER: Beginning of P wave to
beginning of Q wave
Question 5: QRS interval is from _ to _?
CORRECT ANSWER: Beginning of Q to end of S
Question 6: QT interval is from _ to _?
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CORRECT ANSWER: Beginning of Q to end of T
Question 7: What is the PR interval normal duration?
CORRECT ANSWER: 0.12-0.20 s
Question 8: What is the QRS normal duration?
CORRECT ANSWER: 0.04-0.12 s
Question 9: What is the QT interval normal duration?
CORRECT ANSWER: 0.36-0.44 s
Question 10: What is Normal Sinus Rhythm (NSR)?
CORRECT ANSWER: [Image reference provided]
Question 11: What is the cause and treatment for NSR?
CORRECT ANSWER: N/A
None
Question 12: What is Sinus Bradycardia?
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CORRECT ANSWER: [Image reference provided]
Question 13: What is the cause and treatment for sinus
bradycardia?
CORRECT ANSWER: Normal for athletes
None if not symptomatic; atropine if symptomatic
Question 14: What is Sinus Tachycardia?
CORRECT ANSWER: [Image reference provided]
Question 15: What is the cause and treatment for sinus
tachycardia?
CORRECT ANSWER: Anxiety
Treat the anxiety (have patient calm down)
Question 16: What is NSR with 1 PAC?
CORRECT ANSWER: [Image reference provided]
Question 17: What is the cause and treatment for PACs?
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CORRECT ANSWER: Anxiety
Monitor it
Question 18: What is Atrial Fibrillation with ventricular
response of 80 (Afib)?
CORRECT ANSWER: [Image reference provided]
Question 19: What is the cause and treatment of Afib?
CORRECT ANSWER: MI
Amiodarone
Question 20: What is Aflutter?
CORRECT ANSWER: [Image reference provided]
Question 21: What is the cause and treatment of aflutter?
CORRECT ANSWER: HTN
Metoprolol