EKG practice exam Questions with
Accurate Answers
How is coronary artery disease diagnosed during a stress test?
A. Pathologic Q waves
B. T-wave inversions
C. Presence of ST depressions
D. Elevated heart rate - ANSWERSC. presence of ST depressions
What is the relationship between PVCs and ventricular tachycardia?
A. VT occurs without any preceding PVCs
B. PVCs and VT are unrelated
C. PVCs are a milder form of VT
D. VT is defined by a series of consecutive PVCs - ANSWERSD. VT is defined by a
series of consecutive PVCs
Where in the heart is the SA node located?
A. Right atrium
B. Right ventricle
C. Left atrium
D. Left ventricle - ANSWERSA. Right atrium
What are the only shockable sudden cardiac arrest rhythms?
A. VT, VF, and asystole
B. VT only
C. VF only
D. Both VT and VF - ANSWERSD. Both VT and VF
Sawtooth F waves are characteristic of which rhythm?
A. Atrial Fibrillation
B. AVNRT
C. Atrial Flutter
D. MAT - ANSWERSC. Atrial Flutter
The Holter monster reveals many short episodes of a rhythm that Is narrow and ranges
from 160 to 200 beats per minute. The patient reports feeling palpitations and a little
dizziness during these episodes, but was able to continue working. What rhythm would
you suspect/
A. SVT
B. PVCs
C. PACs
,D. Bradycardia - ANSWERSA. SVT? (need to double check. got it wrong: original
answer was B)
At least how many ectopic beats must be produced from the ectopic focus to create an
ectopic rhythm?
A. 2
B. 5
C. 3
D. 1 - ANSWERSC. 3
A ________ bypass can conduct impulses from the atria to the ventricles and reversed.
A. Concealed bypass
B. Manifest bypass
C. Atrioventricular bypass
D. All of the above - ANSWERSD. All of the above
In a nuclear stress test, the radioactive dye takes how long to absorb?
A. 15 to 45 min
B. 15 to 30 min
C. 2 to 5 min
D. 5 to 10 min - ANSWERS????? guessed B. incorrect. Google says A. 15 to 45 min
Atrial Tachycardia will almost always terminate with a ____________.
A. T wave
B. Non-sinus P waves
C. Prolonged ST-T segment
D. QRS complex - ANSWERSB. Non-sinus P waves
AN _______ heart rate will ________ the RR interval.
A. Increased; lengthen
B. Increased; shortens
C. Decreased; no effect
D. Decreased; shortens - ANSWERSB. Increased; Shortens
How can tachycardia be treated?
A. Treat the underlying cause
B. Discontinue intravenous fluids
C. Insert an electronic pacemaker
D. Administer an anticholinergic - ANSWERSA. Tereat the underlying cause
___________ can prolong the QRS complex and QT intervals and cause sinus
tachycardia.
A. Phenothiazines
B. Class 1 antiarrhythmic
C. Digital Glycosides
D. Tricyclic antidepressants - ANSWERSD. Triycyclic antidepressants
, Normal R wave progression is when the R wave reaches a maximum height at
________.
A. V2 or V3
B. V5
C. V2
D. V4 or V5 - ANSWERSD. V4 or V5
During a stress test echocardiogram, what activity does the patient typically perform?
A. Resting
B. Cycling
C. Walking on a treadmill
D. Swimming - ANSWERSC. Walking on a treadmill
What does the presence of abnormal Q waves without symptoms suggest?
A. Atrial fibrilation
B. Current myocardial ischemia
C. Acute pericarditis
D. Previous myocardial infarction - ANSWERSD. Previous myocardial infarction
Which medication is commonly used to treat atrial fibrillation, atrial flutter, and heart
failure?
A. Digoxin
B. Beta-Blockers
C. Calcium channel blockers
D. ACE inhibitors - ANSWERSA. Digoxin
What usually initiates TdP?
A. PVC
B. Commotio cordis
C. Fusion beats
D. PEA - ANSWERSA. PVC
What is the first method in treating sinus bradycardia?
A. Withhold an anticholinergic
B. Insert an electronic pacemaker
C. Administer a beta-blocker
D. Medication adjustment - ANSWERSD. Medication adjustment
The trained medical technician that administers an echocardiogram is called what?
A. Registered cardiac nurse
B. Patient care technician
C. Medication technician
D. An echo technologist - ANSWERSD. An echo technologist
In ventricular fibrillation (VF), how is the amplitude of the fibrillatory waves classified?
Accurate Answers
How is coronary artery disease diagnosed during a stress test?
A. Pathologic Q waves
B. T-wave inversions
C. Presence of ST depressions
D. Elevated heart rate - ANSWERSC. presence of ST depressions
What is the relationship between PVCs and ventricular tachycardia?
A. VT occurs without any preceding PVCs
B. PVCs and VT are unrelated
C. PVCs are a milder form of VT
D. VT is defined by a series of consecutive PVCs - ANSWERSD. VT is defined by a
series of consecutive PVCs
Where in the heart is the SA node located?
A. Right atrium
B. Right ventricle
C. Left atrium
D. Left ventricle - ANSWERSA. Right atrium
What are the only shockable sudden cardiac arrest rhythms?
A. VT, VF, and asystole
B. VT only
C. VF only
D. Both VT and VF - ANSWERSD. Both VT and VF
Sawtooth F waves are characteristic of which rhythm?
A. Atrial Fibrillation
B. AVNRT
C. Atrial Flutter
D. MAT - ANSWERSC. Atrial Flutter
The Holter monster reveals many short episodes of a rhythm that Is narrow and ranges
from 160 to 200 beats per minute. The patient reports feeling palpitations and a little
dizziness during these episodes, but was able to continue working. What rhythm would
you suspect/
A. SVT
B. PVCs
C. PACs
,D. Bradycardia - ANSWERSA. SVT? (need to double check. got it wrong: original
answer was B)
At least how many ectopic beats must be produced from the ectopic focus to create an
ectopic rhythm?
A. 2
B. 5
C. 3
D. 1 - ANSWERSC. 3
A ________ bypass can conduct impulses from the atria to the ventricles and reversed.
A. Concealed bypass
B. Manifest bypass
C. Atrioventricular bypass
D. All of the above - ANSWERSD. All of the above
In a nuclear stress test, the radioactive dye takes how long to absorb?
A. 15 to 45 min
B. 15 to 30 min
C. 2 to 5 min
D. 5 to 10 min - ANSWERS????? guessed B. incorrect. Google says A. 15 to 45 min
Atrial Tachycardia will almost always terminate with a ____________.
A. T wave
B. Non-sinus P waves
C. Prolonged ST-T segment
D. QRS complex - ANSWERSB. Non-sinus P waves
AN _______ heart rate will ________ the RR interval.
A. Increased; lengthen
B. Increased; shortens
C. Decreased; no effect
D. Decreased; shortens - ANSWERSB. Increased; Shortens
How can tachycardia be treated?
A. Treat the underlying cause
B. Discontinue intravenous fluids
C. Insert an electronic pacemaker
D. Administer an anticholinergic - ANSWERSA. Tereat the underlying cause
___________ can prolong the QRS complex and QT intervals and cause sinus
tachycardia.
A. Phenothiazines
B. Class 1 antiarrhythmic
C. Digital Glycosides
D. Tricyclic antidepressants - ANSWERSD. Triycyclic antidepressants
, Normal R wave progression is when the R wave reaches a maximum height at
________.
A. V2 or V3
B. V5
C. V2
D. V4 or V5 - ANSWERSD. V4 or V5
During a stress test echocardiogram, what activity does the patient typically perform?
A. Resting
B. Cycling
C. Walking on a treadmill
D. Swimming - ANSWERSC. Walking on a treadmill
What does the presence of abnormal Q waves without symptoms suggest?
A. Atrial fibrilation
B. Current myocardial ischemia
C. Acute pericarditis
D. Previous myocardial infarction - ANSWERSD. Previous myocardial infarction
Which medication is commonly used to treat atrial fibrillation, atrial flutter, and heart
failure?
A. Digoxin
B. Beta-Blockers
C. Calcium channel blockers
D. ACE inhibitors - ANSWERSA. Digoxin
What usually initiates TdP?
A. PVC
B. Commotio cordis
C. Fusion beats
D. PEA - ANSWERSA. PVC
What is the first method in treating sinus bradycardia?
A. Withhold an anticholinergic
B. Insert an electronic pacemaker
C. Administer a beta-blocker
D. Medication adjustment - ANSWERSD. Medication adjustment
The trained medical technician that administers an echocardiogram is called what?
A. Registered cardiac nurse
B. Patient care technician
C. Medication technician
D. An echo technologist - ANSWERSD. An echo technologist
In ventricular fibrillation (VF), how is the amplitude of the fibrillatory waves classified?
