Basic_Dysrhythmia_Course_Exam_Questions_and_Correct_Answers.docx.pdf
6/15/2026,Basic_Dysrhythmia_Course_Exam_Questions_and_Correct_Answers.docx.pdf
2:08:21 PM
Basic Dysrhythmia Course Exam
Questions and Correct Answers
SA node - Correct Answer: the major pacemaker of the heart
60-100 - Correct Answer: inherent rate of the SA node
40-60 - Correct Answer: inherent rate of the AV node
20-40 - Correct Answer: inherent rate of the ventricles (purkinjie fibers)
systole - Correct Answer: phase of contraction
diastole - Correct Answer: phase of relaxation
p wave - Correct Answer: what does atrial depolarization show on the ECG?
QRS complex - Correct Answer: what does ventricle depolarization show on the ECG?
T wave - Correct Answer: what does repolarization show on the ECG?
increase - Correct Answer: what does sympathetic stimulation do to the heart rate?
decrease - Correct Answer: what does parasympathetic stimulation do to the heart rate?
absolute refractory period - Correct Answer: the period immediately following the firing of a nerve fiber
when it cannot be stimulated no matter how great a stimulus is applied
Basic_Dysrhythmia_Course_Exam_Questions_and_Correct_Answers.docx.pdf
Basic_Dysrhythmia_Course_Exam_Questions_and_Correct_Answers.docx.pdf 6/15/2026, 2:08:27 PM
,Basic_Dysrhythmia_Course_Exam_Questions_and_Correct_Answers.docx.pdf
6/15/2026,Basic_Dysrhythmia_Course_Exam_Questions_and_Correct_Answers.docx.pdf
2:08:21 PM
relative refractory period - Correct Answer: during the ventricular cardiac cycle when all cardiac cells are
not fully repolarized and a strong enough stimulus can excite cardiac tissue and initiate arrhythmias
last half of t wave - Correct Answer: When is the relative refractory period of the ventricles?
.20 secs - Correct Answer: how much time is one large box in an ecg strip?
.04 secs - Correct Answer: how much time is one small box in an ecg strip?
0.12-0.20 - Correct Answer: normal range of PR interval
0.04-0.12 - Correct Answer: normal range of QRS complex
less than 1/2 the preceding R-R interval - Correct Answer: what is the normal time of the QT?
p to p - Correct Answer: how do you measure the atrial rate?
R to R - Correct Answer: how do you measure the ventricular rate?
sinus rhythm - Correct Answer:
sinus bradycardia - Correct Answer:
assess pt
atropine
pacing
IV, O2 - Correct Answer: tx for sinus bradycardia
sinus tachycardia - Correct Answer:
Basic_Dysrhythmia_Course_Exam_Questions_and_Correct_Answers.docx.pdf
Basic_Dysrhythmia_Course_Exam_Questions_and_Correct_Answers.docx.pdf 6/15/2026, 2:08:27 PM
,Basic_Dysrhythmia_Course_Exam_Questions_and_Correct_Answers.docx.pdf
6/15/2026,Basic_Dysrhythmia_Course_Exam_Questions_and_Correct_Answers.docx.pdf
2:08:21 PM
treat underlying cause (Fever, pain, hypoxia) - Correct Answer: tx for sinus tachycardia
sinus arrhythmia - Correct Answer: irregular rhythm that varies with respiration; rate increases with
inspiration and decreases with expiration
Premature Atrial Contraction - Correct Answer: rhythm with an early P wave, but the next P wave comes
on time
Premature Atrial Contraction (PAC) - Correct Answer:
continue to monitor
check electrolytes and oxygen
possible betablocker/calcium channel blocker - Correct Answer: tx for PAC
Atrial Tachycardia - Correct Answer: atrial Rate: 160-250 beats per minute, reglular rhythm/QRS/
betablockers/calcium channel blocker
cardioversion
adenosine**
vagal manuever - Correct Answer: tx for atrial tachycardia
atrial flutter - Correct Answer:
atrial flutter - Correct Answer: atrial rate of 250-350
"saw tooth pattern"
atrial flutter
complete heart block - Correct Answer: which rhythms do you HAVE to use the exact rate measurement
card?
Basic_Dysrhythmia_Course_Exam_Questions_and_Correct_Answers.docx.pdf
Basic_Dysrhythmia_Course_Exam_Questions_and_Correct_Answers.docx.pdf 6/15/2026, 2:08:27 PM
, Basic_Dysrhythmia_Course_Exam_Questions_and_Correct_Answers.docx.pdf
6/15/2026,Basic_Dysrhythmia_Course_Exam_Questions_and_Correct_Answers.docx.pdf
2:08:21 PM
betablockers/calcium channel blockers
cardioversion
anticoagulants
amiodarone
**call HCP if new onset - Correct Answer: tx for atrial flutter
atrial fibrillation - Correct Answer:
betablockers/calcium channel blockers
cardioversion
anticoagulants
amiodarone
**call HCP if new onset - Correct Answer: tx for atrial fibrillation
atrial fibrillation - Correct Answer: irregular rhythm, atrial rate of 350-400, no P waves,
RVR (Rapid Ventricular Response) - Correct Answer: A. Fib with ventricular rate > 100
SVT - Correct Answer:
adenosine
cardioversion
vagal maneuver - Correct Answer: tx for SVT
SVT - Correct Answer: rate >100 originating above the ventricles; No P waves seen
paroxysmal atrial tachycardia - Correct Answer:
Basic_Dysrhythmia_Course_Exam_Questions_and_Correct_Answers.docx.pdf
Basic_Dysrhythmia_Course_Exam_Questions_and_Correct_Answers.docx.pdf 6/15/2026, 2:08:27 PM
6/15/2026,Basic_Dysrhythmia_Course_Exam_Questions_and_Correct_Answers.docx.pdf
2:08:21 PM
Basic Dysrhythmia Course Exam
Questions and Correct Answers
SA node - Correct Answer: the major pacemaker of the heart
60-100 - Correct Answer: inherent rate of the SA node
40-60 - Correct Answer: inherent rate of the AV node
20-40 - Correct Answer: inherent rate of the ventricles (purkinjie fibers)
systole - Correct Answer: phase of contraction
diastole - Correct Answer: phase of relaxation
p wave - Correct Answer: what does atrial depolarization show on the ECG?
QRS complex - Correct Answer: what does ventricle depolarization show on the ECG?
T wave - Correct Answer: what does repolarization show on the ECG?
increase - Correct Answer: what does sympathetic stimulation do to the heart rate?
decrease - Correct Answer: what does parasympathetic stimulation do to the heart rate?
absolute refractory period - Correct Answer: the period immediately following the firing of a nerve fiber
when it cannot be stimulated no matter how great a stimulus is applied
Basic_Dysrhythmia_Course_Exam_Questions_and_Correct_Answers.docx.pdf
Basic_Dysrhythmia_Course_Exam_Questions_and_Correct_Answers.docx.pdf 6/15/2026, 2:08:27 PM
,Basic_Dysrhythmia_Course_Exam_Questions_and_Correct_Answers.docx.pdf
6/15/2026,Basic_Dysrhythmia_Course_Exam_Questions_and_Correct_Answers.docx.pdf
2:08:21 PM
relative refractory period - Correct Answer: during the ventricular cardiac cycle when all cardiac cells are
not fully repolarized and a strong enough stimulus can excite cardiac tissue and initiate arrhythmias
last half of t wave - Correct Answer: When is the relative refractory period of the ventricles?
.20 secs - Correct Answer: how much time is one large box in an ecg strip?
.04 secs - Correct Answer: how much time is one small box in an ecg strip?
0.12-0.20 - Correct Answer: normal range of PR interval
0.04-0.12 - Correct Answer: normal range of QRS complex
less than 1/2 the preceding R-R interval - Correct Answer: what is the normal time of the QT?
p to p - Correct Answer: how do you measure the atrial rate?
R to R - Correct Answer: how do you measure the ventricular rate?
sinus rhythm - Correct Answer:
sinus bradycardia - Correct Answer:
assess pt
atropine
pacing
IV, O2 - Correct Answer: tx for sinus bradycardia
sinus tachycardia - Correct Answer:
Basic_Dysrhythmia_Course_Exam_Questions_and_Correct_Answers.docx.pdf
Basic_Dysrhythmia_Course_Exam_Questions_and_Correct_Answers.docx.pdf 6/15/2026, 2:08:27 PM
,Basic_Dysrhythmia_Course_Exam_Questions_and_Correct_Answers.docx.pdf
6/15/2026,Basic_Dysrhythmia_Course_Exam_Questions_and_Correct_Answers.docx.pdf
2:08:21 PM
treat underlying cause (Fever, pain, hypoxia) - Correct Answer: tx for sinus tachycardia
sinus arrhythmia - Correct Answer: irregular rhythm that varies with respiration; rate increases with
inspiration and decreases with expiration
Premature Atrial Contraction - Correct Answer: rhythm with an early P wave, but the next P wave comes
on time
Premature Atrial Contraction (PAC) - Correct Answer:
continue to monitor
check electrolytes and oxygen
possible betablocker/calcium channel blocker - Correct Answer: tx for PAC
Atrial Tachycardia - Correct Answer: atrial Rate: 160-250 beats per minute, reglular rhythm/QRS/
betablockers/calcium channel blocker
cardioversion
adenosine**
vagal manuever - Correct Answer: tx for atrial tachycardia
atrial flutter - Correct Answer:
atrial flutter - Correct Answer: atrial rate of 250-350
"saw tooth pattern"
atrial flutter
complete heart block - Correct Answer: which rhythms do you HAVE to use the exact rate measurement
card?
Basic_Dysrhythmia_Course_Exam_Questions_and_Correct_Answers.docx.pdf
Basic_Dysrhythmia_Course_Exam_Questions_and_Correct_Answers.docx.pdf 6/15/2026, 2:08:27 PM
, Basic_Dysrhythmia_Course_Exam_Questions_and_Correct_Answers.docx.pdf
6/15/2026,Basic_Dysrhythmia_Course_Exam_Questions_and_Correct_Answers.docx.pdf
2:08:21 PM
betablockers/calcium channel blockers
cardioversion
anticoagulants
amiodarone
**call HCP if new onset - Correct Answer: tx for atrial flutter
atrial fibrillation - Correct Answer:
betablockers/calcium channel blockers
cardioversion
anticoagulants
amiodarone
**call HCP if new onset - Correct Answer: tx for atrial fibrillation
atrial fibrillation - Correct Answer: irregular rhythm, atrial rate of 350-400, no P waves,
RVR (Rapid Ventricular Response) - Correct Answer: A. Fib with ventricular rate > 100
SVT - Correct Answer:
adenosine
cardioversion
vagal maneuver - Correct Answer: tx for SVT
SVT - Correct Answer: rate >100 originating above the ventricles; No P waves seen
paroxysmal atrial tachycardia - Correct Answer:
Basic_Dysrhythmia_Course_Exam_Questions_and_Correct_Answers.docx.pdf
Basic_Dysrhythmia_Course_Exam_Questions_and_Correct_Answers.docx.pdf 6/15/2026, 2:08:27 PM
