NURS 332 WEEK 5 CHAPTER 26 ML | PRACTICE QUESTIONS & ANSWERS |
COMPREHENSIVE NCLEX NURSING STUDY GUIDE 2026/2027
The nursing student asks the nurse to describe the difference between sinus rhythm and sinus
bradycardia on the electrocardiogram strip. What is the nurse's best reply?
A. "The QRS complex will be smaller in sinus bradycardia."
B. "The P-R interval will be prolonged in sinus bradycardia."
C. "The only difference is the heart rate."
D. "The P waves will be shaped differently." - ANS ✔✔C
The nurse is caring for a client who is displaying a third-degree AV block on the EKG monitor.
What is the priority nursing intervention for the client?
A. identifying a code-level status
B. assessing blood pressure and heart rate frequently
C. alerting the healthcare provider of the third-degree heart block
D. maintaining intravenous fluids - ANS ✔✔C
The nurse assesses a client with a heart rate of 120 beats per minute. What are the known
causes of sinus tachycardia?
A. hypothyroidism
B. hypovolemia
C. digoxin
D. vagal stimulation - ANS ✔✔B
The nurse knows that electrocardiogram (ECG) characteristics of atrial fibrillation include what?
A. P wave resent before each QRS
B. Normal PR interval
,C. Atrial rate of 300 to 400
D. Regular rhythm - ANS ✔✔C
The nurse is proving discharge instructions for a client with a new arrhythmia. Which statement
should the nurse include?
A. It is not necessary to learn how to take your own pulse.
B. Do not be concerned if you experience symptoms of lightheadedness and dizziness.
C. If you miss a dose of your antiarrhythmic medication, double up on the next dose.
D. Your family and friends may want to take a CPR class. - ANS ✔✔D
The nurse cares for a client with a dysrhythmia and understands that the P wave on an
electrocardiogram (ECG) represents which phase of the cardiac cycle?
A. Early ventricular repolarization
B. Ventricular repolarization
C. Ventricular depolarization
D. Atrial depolarization - ANS ✔✔D
A client's Holter monitor strip reveals a heart rate with normal conduction but with a rate
consistently above 105 beats/minute. What other conditions can cause this response in a
healthy heart?
A. elevated temperature
B. shock
C. All options are correct.
D. strenuous exercise - ANS ✔✔C
A client tells the nurse "my heart is skipping beats again; I'm having palpitations." After
completing a physical assessment, the nurse concludes the client is experiencing occasional
premature atrial complexes (PACs). The nurse should instruct the client to
, A. apply supplemental oxygen.
B. request sublingual nitroglycerin.
C. avoid caffeinated beverages.
D. lie down and elevate the feet. - ANS ✔✔C
A patient comes to the emergency department with reports of chest pain after using cocaine.
The nurse assesses the patient and obtains vital signs with results as follows: blood pressure
140/92, heart rate 128, respiratory rate 26, and an oxygen saturation of 98%. What rhythm on
the monitor does the nurse anticipate viewing?
A. Normal sinus rhythm
B. Sinus tachycardia
C. Ventricular tachycardia
D. Sinus bradycardia - ANS ✔✔B
The nurse is observing the monitor of a patient with a first-degree atrioventricular (AV) block.
What is the nurse aware characterizes this block?
A. A variable heart rate, usually fewer than 60 bpm
B. Delayed conduction, producing a prolonged PR interval
C. An irregular rhythm
D. P waves hidden with the QRS complex - ANS ✔✔B
A nurse is caring for a client who's experiencing sinus bradycardia with a pulse rate of 40
beats/minute. The client's blood pressure is 80/50 mm Hg and the client reports dizziness.
Which medication does the nurse anticipate administering to treat bradycardia?
A. Lidocaine
B. Amiodarone
C. Atropine
D. Dobutamine - ANS ✔✔C
COMPREHENSIVE NCLEX NURSING STUDY GUIDE 2026/2027
The nursing student asks the nurse to describe the difference between sinus rhythm and sinus
bradycardia on the electrocardiogram strip. What is the nurse's best reply?
A. "The QRS complex will be smaller in sinus bradycardia."
B. "The P-R interval will be prolonged in sinus bradycardia."
C. "The only difference is the heart rate."
D. "The P waves will be shaped differently." - ANS ✔✔C
The nurse is caring for a client who is displaying a third-degree AV block on the EKG monitor.
What is the priority nursing intervention for the client?
A. identifying a code-level status
B. assessing blood pressure and heart rate frequently
C. alerting the healthcare provider of the third-degree heart block
D. maintaining intravenous fluids - ANS ✔✔C
The nurse assesses a client with a heart rate of 120 beats per minute. What are the known
causes of sinus tachycardia?
A. hypothyroidism
B. hypovolemia
C. digoxin
D. vagal stimulation - ANS ✔✔B
The nurse knows that electrocardiogram (ECG) characteristics of atrial fibrillation include what?
A. P wave resent before each QRS
B. Normal PR interval
,C. Atrial rate of 300 to 400
D. Regular rhythm - ANS ✔✔C
The nurse is proving discharge instructions for a client with a new arrhythmia. Which statement
should the nurse include?
A. It is not necessary to learn how to take your own pulse.
B. Do not be concerned if you experience symptoms of lightheadedness and dizziness.
C. If you miss a dose of your antiarrhythmic medication, double up on the next dose.
D. Your family and friends may want to take a CPR class. - ANS ✔✔D
The nurse cares for a client with a dysrhythmia and understands that the P wave on an
electrocardiogram (ECG) represents which phase of the cardiac cycle?
A. Early ventricular repolarization
B. Ventricular repolarization
C. Ventricular depolarization
D. Atrial depolarization - ANS ✔✔D
A client's Holter monitor strip reveals a heart rate with normal conduction but with a rate
consistently above 105 beats/minute. What other conditions can cause this response in a
healthy heart?
A. elevated temperature
B. shock
C. All options are correct.
D. strenuous exercise - ANS ✔✔C
A client tells the nurse "my heart is skipping beats again; I'm having palpitations." After
completing a physical assessment, the nurse concludes the client is experiencing occasional
premature atrial complexes (PACs). The nurse should instruct the client to
, A. apply supplemental oxygen.
B. request sublingual nitroglycerin.
C. avoid caffeinated beverages.
D. lie down and elevate the feet. - ANS ✔✔C
A patient comes to the emergency department with reports of chest pain after using cocaine.
The nurse assesses the patient and obtains vital signs with results as follows: blood pressure
140/92, heart rate 128, respiratory rate 26, and an oxygen saturation of 98%. What rhythm on
the monitor does the nurse anticipate viewing?
A. Normal sinus rhythm
B. Sinus tachycardia
C. Ventricular tachycardia
D. Sinus bradycardia - ANS ✔✔B
The nurse is observing the monitor of a patient with a first-degree atrioventricular (AV) block.
What is the nurse aware characterizes this block?
A. A variable heart rate, usually fewer than 60 bpm
B. Delayed conduction, producing a prolonged PR interval
C. An irregular rhythm
D. P waves hidden with the QRS complex - ANS ✔✔B
A nurse is caring for a client who's experiencing sinus bradycardia with a pulse rate of 40
beats/minute. The client's blood pressure is 80/50 mm Hg and the client reports dizziness.
Which medication does the nurse anticipate administering to treat bradycardia?
A. Lidocaine
B. Amiodarone
C. Atropine
D. Dobutamine - ANS ✔✔C
