Baycare EKG Test
1. What is the normal range for the PR interval on an EKG?
A) 0.06 to 0.12 seconds
B) 0.12 to 0.20 seconds
C) 0.20 to 0.28 seconds
D) 0.28 to 0.36 seconds
Answer: B) 0.12 to 0.20 seconds
2. Which of the following best describes sinus bradycardia?
A) Heart rate less than 60 bpm with a regular rhythm
B) Heart rate greater than 100 bpm with an irregular rhythm
C) Heart rate between 60 and 100 bpm with irregular P waves
D) Heart rate less than 40 bpm with no P waves
Answer: A) Heart rate less than 60 bpm with a regular rhythm
3. ST elevation on an EKG typically indicates which of the following?
A) Atrial fibrillation
B) Myocardial infarction
C) Bundle branch block
D) Premature ventricular contraction
Answer: B) Myocardial infarction
4. In atrial fibrillation, the EKG will most likely show:
A) Irregular P waves with a regular QRS rhythm
B) No distinct P waves and an irregular QRS rhythm
C) Prolonged PR interval with regular P and QRS waves
D) Distinct P waves with an irregular QRS rhythm
Answer: B) No distinct P waves and an irregular QRS rhythm
5. Which of the following rhythms is considered life-threatening and requires
immediate intervention?
,A) Sinus tachycardia
B) Ventricular fibrillation
C) First-degree heart block
D) Atrial flutter
Answer: B) Ventricular fibrillation
6. A patient with a complete heart block will show which characteristic on an EKG?
A) No QRS complexes
B) A 1:1 ratio of P waves to QRS complexes
C) P waves that are independent of QRS complexes
D) Narrow QRS complexes with regular P waves
Answer: C) P waves that are independent of QRS complexes
7. Which lead is most commonly used to detect inferior myocardial infarction?
A) Lead I
B) Lead II
C) Lead V1
D) Lead aVR
Answer: B) Lead II
8. Which of the following indicates a normal sinus rhythm?
A) Irregular rhythm, rate of 110 bpm
B) Regular rhythm, rate of 60-100 bpm, with a P wave before each QRS complex
C) Rate below 60 bpm, prolonged PR interval
D) Rate above 100 bpm, shortened PR interval
Answer: B) Regular rhythm, rate of 60-100 bpm, with a P wave before each QRS
complex
9. What does a prolonged QT interval on an EKG suggest?
A) An increased risk of arrhythmias
B) Normal heart function
C) Atrial fibrillation
, D) Sinus bradycardia
Answer: A) An increased risk of arrhythmias
10. Which condition is suggested by an EKG showing peaked T waves?
A) Hyperkalemia
B) Hypokalemia
C) Hypocalcemia
D) Hypercalcemia
Answer: A) Hyperkalemia11. Which of the following describes second-degree AV
block, Type II (Mobitz II)?
A) Prolonged PR interval with every beat
B) Increasingly prolonged PR interval until a QRS is dropped
C) Some P waves are not followed by QRS complexes, but PR intervals are consistent
D) Irregular rhythm with no correlation between P waves and QRS complexes
Answer: C) Some P waves are not followed by QRS complexes, but PR intervals are
consistent
12. A wide QRS complex (>0.12 seconds) usually indicates:
A) Atrial arrhythmia
B) A ventricular conduction delay or block
C) Supraventricular tachycardia
D) Normal sinus rhythm
Answer: B) A ventricular conduction delay or block
13. Which arrhythmia is characterized by a sawtooth pattern on an EKG?
A) Atrial fibrillation
B) Ventricular tachycardia
C) Atrial flutter
D) Sinus arrhythmia
Answer: C) Atrial flutter
14. T-wave inversion in leads II, III, and aVF may indicate:
1. What is the normal range for the PR interval on an EKG?
A) 0.06 to 0.12 seconds
B) 0.12 to 0.20 seconds
C) 0.20 to 0.28 seconds
D) 0.28 to 0.36 seconds
Answer: B) 0.12 to 0.20 seconds
2. Which of the following best describes sinus bradycardia?
A) Heart rate less than 60 bpm with a regular rhythm
B) Heart rate greater than 100 bpm with an irregular rhythm
C) Heart rate between 60 and 100 bpm with irregular P waves
D) Heart rate less than 40 bpm with no P waves
Answer: A) Heart rate less than 60 bpm with a regular rhythm
3. ST elevation on an EKG typically indicates which of the following?
A) Atrial fibrillation
B) Myocardial infarction
C) Bundle branch block
D) Premature ventricular contraction
Answer: B) Myocardial infarction
4. In atrial fibrillation, the EKG will most likely show:
A) Irregular P waves with a regular QRS rhythm
B) No distinct P waves and an irregular QRS rhythm
C) Prolonged PR interval with regular P and QRS waves
D) Distinct P waves with an irregular QRS rhythm
Answer: B) No distinct P waves and an irregular QRS rhythm
5. Which of the following rhythms is considered life-threatening and requires
immediate intervention?
,A) Sinus tachycardia
B) Ventricular fibrillation
C) First-degree heart block
D) Atrial flutter
Answer: B) Ventricular fibrillation
6. A patient with a complete heart block will show which characteristic on an EKG?
A) No QRS complexes
B) A 1:1 ratio of P waves to QRS complexes
C) P waves that are independent of QRS complexes
D) Narrow QRS complexes with regular P waves
Answer: C) P waves that are independent of QRS complexes
7. Which lead is most commonly used to detect inferior myocardial infarction?
A) Lead I
B) Lead II
C) Lead V1
D) Lead aVR
Answer: B) Lead II
8. Which of the following indicates a normal sinus rhythm?
A) Irregular rhythm, rate of 110 bpm
B) Regular rhythm, rate of 60-100 bpm, with a P wave before each QRS complex
C) Rate below 60 bpm, prolonged PR interval
D) Rate above 100 bpm, shortened PR interval
Answer: B) Regular rhythm, rate of 60-100 bpm, with a P wave before each QRS
complex
9. What does a prolonged QT interval on an EKG suggest?
A) An increased risk of arrhythmias
B) Normal heart function
C) Atrial fibrillation
, D) Sinus bradycardia
Answer: A) An increased risk of arrhythmias
10. Which condition is suggested by an EKG showing peaked T waves?
A) Hyperkalemia
B) Hypokalemia
C) Hypocalcemia
D) Hypercalcemia
Answer: A) Hyperkalemia11. Which of the following describes second-degree AV
block, Type II (Mobitz II)?
A) Prolonged PR interval with every beat
B) Increasingly prolonged PR interval until a QRS is dropped
C) Some P waves are not followed by QRS complexes, but PR intervals are consistent
D) Irregular rhythm with no correlation between P waves and QRS complexes
Answer: C) Some P waves are not followed by QRS complexes, but PR intervals are
consistent
12. A wide QRS complex (>0.12 seconds) usually indicates:
A) Atrial arrhythmia
B) A ventricular conduction delay or block
C) Supraventricular tachycardia
D) Normal sinus rhythm
Answer: B) A ventricular conduction delay or block
13. Which arrhythmia is characterized by a sawtooth pattern on an EKG?
A) Atrial fibrillation
B) Ventricular tachycardia
C) Atrial flutter
D) Sinus arrhythmia
Answer: C) Atrial flutter
14. T-wave inversion in leads II, III, and aVF may indicate:
