3/15/25, 11:00 AM Exam 1: Dysrhythmias (NCLEX) Study Guide Exam / 50 Actual Questions with Answers & Rationales (A+ Guide Solution) Newest …
Exam 1: Dysrhythmias (NCLEX) Study Guide Exam
/ 50 Actual Questions with Answers & Rationales
(A+ Guide Solution) Newest 2025/2026
Save
Terms in this set (49)
A client's A
electrocardiogram strip
shows atrial and
ventricular rates of 80
complexes per minute. The
PR interval is 0.14 second,
and the QRS complex
measures 0.08 second.
The nurse interprets this
rhythm is:
A) Normal sinus rhythm
B) Sinus bradycardia
C) Sinus tachycardia
D) Sinus dysrhythmia
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A client has frequent D
bursts of ventricular Ventricular tachycardia is a life-threatening
tachycardia on the cardiac dysrhythmia that results from an irritable ectopic
monitor. A nurse is most focus that takes over as the pacemaker for the heart.
concerned with this The low cardiac output that results can lead quickly to
dysrhythmia because: cerebral and myocardial ischemia. Client's frequently
experience a feeling of impending death. Ventricular
A) It is uncomfortable for tachycardia is treated with antidysrhythmic
the client, giving a sense medications or magnesium sulfate, cardioversion
of impending doom. (client awake), or defibrillation (loss of consciousness),
B) It produces a high Ventricular tachycardia can deteriorate into
cardiac output that quickly ventricular defibrillation at any time.
leads to cerebral and
myocardial ischemia.
C) It is almost impossible
to convert to a normal
sinus rhythm.
D) It can develop into
ventricular fibrillation at
any time.
The nurse administers BCD
amiodarone (Cordarone) Amiodarone causes prolongation of the QT interval,
to a client with ventricular which can precipitate dysrhythmia. Antidysrhythmic
tachycardia. Which medications cause changes in cardiac rhythm and
monitoring by the nurse is rate; therefore monitoring of heart rate and rhythm is
necessary with this drug? needed.Electrolyte depletion, specifically potassium
Select all that apply. and magnesium, may predispose to further
dysrhythmia. Although it is always important to
a. Respiratory rate monitor vital signs and urine output, these
b. QT interval assessments are not specific to amiodarone.
c. Heart rate and rhythm
d. Magnesium level
e. Urine output
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,3/15/25, 11:00 AM Exam 1: Dysrhythmias (NCLEX) Study Guide Exam / 50 Actual Questions with Answers & Rationales (A+ Guide Solution) Newest …
The nurse is caring for a B
client with acute coronary The effects of metoprolol are to decrease heart rate,
syndrome (ACS) and atrial blood pressure, and myocardial oxygen demand. ST
fibrillation who has a new segment elevation is consistent with MI; it does not
prescription for address monitoring of metoprolol. Elevation in
metoprolol (Lopressor). troponin is consistent with a diagnosis of MI but does
Which monitoring is not address needed monitoring for metoprolol.
essential when Elevation in myoglobin is consistent with myocardial
administering the injury in ACS but does not address needed
medication? monitoring related to metoprolol.
a. ST segment
b. Heart rate
c. Troponin
d. Myoglobin
The nurse is caring for a A
client with atrial Clients with atrial fibrillation are prone to blood
fibrillation. In addition to pooling in the atrium, clotting, then embolizing.
an antidysrhythmic, what Heparin is used to prevent thrombus development in
medication does the nurse the atrium and the consequence of embolization (i.e.,
plan to administer? stroke).
a. Heparin
b. Atropine
c. Dobutamine
d. Magnesium sulfate
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, 3/15/25, 11:00 AM Exam 1: Dysrhythmias (NCLEX) Study Guide Exam / 50 Actual Questions with Answers & Rationales (A+ Guide Solution) Newest …
The nurse is caring for a D
client on a telemetry unit The client is displaying sinus rhythm with first-degree
with a regular heart atrioventicular heart block; this is usually
rhythm and rate of 60; a P asymptomatic and does not require treatment.
wave precedes each QRS Atropine is used in emergency treatment of
complex, and the PR symptomatic bradycardia. This client has normal vital
interval is 0.24 second. signs. Digoxin is used in the treatment of atrial
Additional vital signs are fibrillation, which is, by definition, an irregular rhythm.
as follows: blood pressure Clonidine is used in the treatment of hypertension; a
118/68, respiratory rate 16, side effect is bradycardia.
and temperature 98.8° F.
The following medications
are available on the
medication record. What
action should the nurse
take?
a. Administer atropine.
b. Administer digoxin.
c. Administer clonidine.
d. Continue to monitor.
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Exam 1: Dysrhythmias (NCLEX) Study Guide Exam
/ 50 Actual Questions with Answers & Rationales
(A+ Guide Solution) Newest 2025/2026
Save
Terms in this set (49)
A client's A
electrocardiogram strip
shows atrial and
ventricular rates of 80
complexes per minute. The
PR interval is 0.14 second,
and the QRS complex
measures 0.08 second.
The nurse interprets this
rhythm is:
A) Normal sinus rhythm
B) Sinus bradycardia
C) Sinus tachycardia
D) Sinus dysrhythmia
https://quizlet.com/1018463087/exam-1-dysrhythmias-nclex-study-guide-exam-50-actual-questions-with-answers-rationales-a-guide-solution-newest-… 1/34
,3/15/25, 11:00 AM Exam 1: Dysrhythmias (NCLEX) Study Guide Exam / 50 Actual Questions with Answers & Rationales (A+ Guide Solution) Newest …
A client has frequent D
bursts of ventricular Ventricular tachycardia is a life-threatening
tachycardia on the cardiac dysrhythmia that results from an irritable ectopic
monitor. A nurse is most focus that takes over as the pacemaker for the heart.
concerned with this The low cardiac output that results can lead quickly to
dysrhythmia because: cerebral and myocardial ischemia. Client's frequently
experience a feeling of impending death. Ventricular
A) It is uncomfortable for tachycardia is treated with antidysrhythmic
the client, giving a sense medications or magnesium sulfate, cardioversion
of impending doom. (client awake), or defibrillation (loss of consciousness),
B) It produces a high Ventricular tachycardia can deteriorate into
cardiac output that quickly ventricular defibrillation at any time.
leads to cerebral and
myocardial ischemia.
C) It is almost impossible
to convert to a normal
sinus rhythm.
D) It can develop into
ventricular fibrillation at
any time.
The nurse administers BCD
amiodarone (Cordarone) Amiodarone causes prolongation of the QT interval,
to a client with ventricular which can precipitate dysrhythmia. Antidysrhythmic
tachycardia. Which medications cause changes in cardiac rhythm and
monitoring by the nurse is rate; therefore monitoring of heart rate and rhythm is
necessary with this drug? needed.Electrolyte depletion, specifically potassium
Select all that apply. and magnesium, may predispose to further
dysrhythmia. Although it is always important to
a. Respiratory rate monitor vital signs and urine output, these
b. QT interval assessments are not specific to amiodarone.
c. Heart rate and rhythm
d. Magnesium level
e. Urine output
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,3/15/25, 11:00 AM Exam 1: Dysrhythmias (NCLEX) Study Guide Exam / 50 Actual Questions with Answers & Rationales (A+ Guide Solution) Newest …
The nurse is caring for a B
client with acute coronary The effects of metoprolol are to decrease heart rate,
syndrome (ACS) and atrial blood pressure, and myocardial oxygen demand. ST
fibrillation who has a new segment elevation is consistent with MI; it does not
prescription for address monitoring of metoprolol. Elevation in
metoprolol (Lopressor). troponin is consistent with a diagnosis of MI but does
Which monitoring is not address needed monitoring for metoprolol.
essential when Elevation in myoglobin is consistent with myocardial
administering the injury in ACS but does not address needed
medication? monitoring related to metoprolol.
a. ST segment
b. Heart rate
c. Troponin
d. Myoglobin
The nurse is caring for a A
client with atrial Clients with atrial fibrillation are prone to blood
fibrillation. In addition to pooling in the atrium, clotting, then embolizing.
an antidysrhythmic, what Heparin is used to prevent thrombus development in
medication does the nurse the atrium and the consequence of embolization (i.e.,
plan to administer? stroke).
a. Heparin
b. Atropine
c. Dobutamine
d. Magnesium sulfate
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, 3/15/25, 11:00 AM Exam 1: Dysrhythmias (NCLEX) Study Guide Exam / 50 Actual Questions with Answers & Rationales (A+ Guide Solution) Newest …
The nurse is caring for a D
client on a telemetry unit The client is displaying sinus rhythm with first-degree
with a regular heart atrioventicular heart block; this is usually
rhythm and rate of 60; a P asymptomatic and does not require treatment.
wave precedes each QRS Atropine is used in emergency treatment of
complex, and the PR symptomatic bradycardia. This client has normal vital
interval is 0.24 second. signs. Digoxin is used in the treatment of atrial
Additional vital signs are fibrillation, which is, by definition, an irregular rhythm.
as follows: blood pressure Clonidine is used in the treatment of hypertension; a
118/68, respiratory rate 16, side effect is bradycardia.
and temperature 98.8° F.
The following medications
are available on the
medication record. What
action should the nurse
take?
a. Administer atropine.
b. Administer digoxin.
c. Administer clonidine.
d. Continue to monitor.
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