Question 1

Interpret the following rhythm:

Accepted Answer

A)  First-degree AV block 
B)  Second-degree AV block Mobitz I (Wenckebach phenomenon) 
C)  Second-degree AV block Mobitz II 
D)  Third-degree AV block (complete heart block) 
A)  First-degree AV block 
B)  Second-degree AV block Mobitz I (Wenckebach phenomenon) 
C)  Second-degree AV block Mobitz II 
D)  Third-degree AV block (complete heart block)

Question 2

The patient has a permanent pacemaker inserted.The provider has set the pacemaker to the demand mode at a rate of 60 beats per minute.The nurse realizes that

Accepted Answer

A)  the pacemaker will pace only if the patient's intrinsic heart rate is less than 60 beats per minute. 
B)  the demand mode often competes with the patient's own rhythm. 
C)  the demand mode places the patient at risk for the R-on-T phenomenon. 
D)  the fixed-rate mode is safer and is the mode of choice. 
A)  the pacemaker will pace only if the patient's intrinsic heart rate is less than 60 beats per minute. 
B)  the demand mode often competes with the patient's own rhythm. 
C)  the demand mode places the patient at risk for the R-on-T phenomenon. 
D)  the fixed-rate mode is safer and is the mode of choice.

Question 3

The nurse is caring for a patient who is on a cardiac monitor.The nurse realizes that the sinus node is the pacemaker of the heart because it is

Accepted Answer

A)  the fastest pacemaker cell in the heart. 
B)  the only pacemaker cell in the heart. 
C)  the only cell that does not affect the cardiac cycle. 
D)  located in the left side of the heart. 
A)  the fastest pacemaker cell in the heart. 
B)  the only pacemaker cell in the heart. 
C)  the only cell that does not affect the cardiac cycle. 
D)  located in the left side of the heart.

Question 4

The normal width of the QRS complex is which of the following? (Select all that apply.)

Accepted Answer

A)  0.06 to 0.10 seconds. 
B)  0.12 to 0.20 seconds. 
C)  1.5 to 2.5 small boxes. 
D)  3.0 to 5.0 small boxes. 
E)  0.04 seconds or greater. 
A)  0.06 to 0.10 seconds. 
B)  0.12 to 0.20 seconds. 
C)  1.5 to 2.5 small boxes. 
D)  3.0 to 5.0 small boxes. 
E)  0.04 seconds or greater.

Question 5

Interpret the following rhythm:

Accepted Answer

A)  Atrial flutter with variable conduction 
B)  Ventricular fibrillation 
C)  Atrial fibrillation 
D)  Atrial flutter with RVR (rapid ventricular response) 
A)  Atrial flutter with variable conduction 
B)  Ventricular fibrillation 
C)  Atrial fibrillation 
D)  Atrial flutter with RVR (rapid ventricular response)

Question 6

Interpret the following rhythm:

Accepted Answer

A)  First-degree AV block 
B)  Second-degree AV block Mobitz I (Wenckebach phenomenon) 
C)  Second-degree AV block Mobitz II 
D)  Third-degree AV block (complete heart block) 
A)  First-degree AV block 
B)  Second-degree AV block Mobitz I (Wenckebach phenomenon) 
C)  Second-degree AV block Mobitz II 
D)  Third-degree AV block (complete heart block)

Question 7

Interpret the following rhythm:

Accepted Answer

A)  Normal pacemaker function 
B)  Failure to capture 
C)  Failure to pace 
D)  Failure to sense 
A)  Normal pacemaker function 
B)  Failure to capture 
C)  Failure to pace 
D)  Failure to sense

Question 8

The patient is asymptomatic but is diagnosed with second-degree heart block Mobitz I.The patient is on digitalis medication at home.The nurse should expect that

Accepted Answer

A)  the patient has had an anterior wall myocardial infarction. 
B)  the physician will order the digitalis to be continued in the hospital. 
C)  a digitalis level would be ordered upon admission. 
D)  the patient will require a transcutaneous pacemaker. 
A)  the patient has had an anterior wall myocardial infarction. 
B)  the physician will order the digitalis to be continued in the hospital. 
C)  a digitalis level would be ordered upon admission. 
D)  the patient will require a transcutaneous pacemaker.

Question 9

The patient has an irregular heart rhythm.To determine an accurate heart rate,the nurse would first

Accepted Answer

A)  identify the markers on the ECG paper that indicate a 6-second strip. 
B)  count the number of small boxes between two consecutive P waves. 
C)  count the number of small boxes between two consecutive QRS complexes. 
D)  divides the number of complexes in a 6-second strip by 10. 
A)  identify the markers on the ECG paper that indicate a 6-second strip. 
B)  count the number of small boxes between two consecutive P waves. 
C)  count the number of small boxes between two consecutive QRS complexes. 
D)  divides the number of complexes in a 6-second strip by 10.

Question 10

One of the functions of the atrioventricular (AV)node is to

Accepted Answer

A)  pace the heart if the ventricles fail. 
B)  slow the impulse arriving from the SA node. 
C)  send the impulse to the SA node. 
D)  allow for ventricular filling during systole. 
A)  pace the heart if the ventricles fail. 
B)  slow the impulse arriving from the SA node. 
C)  send the impulse to the SA node. 
D)  allow for ventricular filling during systole.

Question 11

The patient is admitted with a condition that requires cardiac rhythm monitoring.To apply the monitoring electrodes,the nurse must first

Accepted Answer

A)  apply a moist gel to the chest. 
B)  make certain that the electrode gel is dry. 
C)  avoid soaps to avoid skin irritation. 
D)  clip chest hair if needed. 
A)  apply a moist gel to the chest. 
B)  make certain that the electrode gel is dry. 
C)  avoid soaps to avoid skin irritation. 
D)  clip chest hair if needed.

Question 12

The nurse using cardiac monitoring understands that each horizontal box on the electrocardiogram (ECG)paper indicates

Accepted Answer

A)  200 milliseconds or 0.20 seconds duration. 
B)  40 milliseconds or 0.04 seconds duration. 
C)  3 seconds duration. 
D)  millivolts of amplitude. 
A)  200 milliseconds or 0.20 seconds duration. 
B)  40 milliseconds or 0.04 seconds duration. 
C)  3 seconds duration. 
D)  millivolts of amplitude.

Question 13

Interpret the following rhythm:

Accepted Answer

A)  Idioventricular rhythm 
B)  Accelerated idioventricular rhythm 
C)  Ventricular tachycardia 
D)  Ventricular fibrillation 
A)  Idioventricular rhythm 
B)  Accelerated idioventricular rhythm 
C)  Ventricular tachycardia 
D)  Ventricular fibrillation

Question 14

The nurse is examining the patient's cardiac rhythm strip in lead II and notices that all of the P waves are upright and look the same except one that has a different shape and is inverted.The nurse realizes that the P wave with the abnormal shape is probably

Accepted Answer

A)  from the SA node because all P waves come from the SA node. 
B)  from some area in the atria other than the SA node. 
C)  indicative of ventricular depolarization. 
D)  normal even though it is inverted in lead II. 
A)  from the SA node because all P waves come from the SA node. 
B)  from some area in the atria other than the SA node. 
C)  indicative of ventricular depolarization. 
D)  normal even though it is inverted in lead II.

Question 15

The possible P waveforms that are associated with junctional rhythms include which of the following? (Select all that apply.)

Accepted Answer

A)  No P wave 
B)  Inverted P wave 
C)  Shortened PR interval 
D)  P wave after the QRS complex 
E)  Normal P wave and PR interval 
A)  No P wave 
B)  Inverted P wave 
C)  Shortened PR interval 
D)  P wave after the QRS complex 
E)  Normal P wave and PR interval

Question 16

Interpret the following rhythm:

Accepted Answer

A)  Atrial pacing 
B)  Ventricular pacing 
C)  Dual-chamber pacing 
D)  Transcutaneous pacing 
A)  Atrial pacing 
B)  Ventricular pacing 
C)  Dual-chamber pacing 
D)  Transcutaneous pacing

Question 17

Interpret the following rhythm:

Accepted Answer

A)  Atrial pacing 
B)  Ventricular pacing 
C)  Dual-chamber pacing 
D)  Transcutaneous pacing 
A)  Atrial pacing 
B)  Ventricular pacing 
C)  Dual-chamber pacing 
D)  Transcutaneous pacing

Question 18

The patient is admitted with a fever and rapid heart rate.The patient's temperature is 103° F ( 39.4° C ).The nurse places the patient on a cardiac monitor and finds the patient's atrial and ventricular rates are above 105 beats per minute.P waves are clearly seen and appear normal in configuration.QRS complexes are normal in appearance and 0.08 seconds wide.The rhythm is regular,and blood pressure is normal.The nurse should focus on providing:

Accepted Answer

A)  medications to lower heart rate. 
B)  treatment to lower temperature. 
C)  treatment to lower cardiac output. 
D)  treatment to reduce heart rate. 
A)  medications to lower heart rate. 
B)  treatment to lower temperature. 
C)  treatment to lower cardiac output. 
D)  treatment to reduce heart rate.

Question 19

The nurse is reading the cardiac monitor and notes that the patient's heart rhythm is extremely irregular and that there are no discernible P waves.The ventricular rate is 90 beats per minute,and the patient is hemodynamically stable.The nurse realizes that the patient's rhythm is

Accepted Answer

A)  atrial fibrillation. 
B)  atrial flutter. 
C)  atrial flutter with rapid ventricular response. 
D)  junctional escape rhythm. 
A)  atrial fibrillation. 
B)  atrial flutter. 
C)  atrial flutter with rapid ventricular response. 
D)  junctional escape rhythm.

Interpret the following rhythm:

The patient has a permanent pacemaker inserted.The provider has set the pacemaker to the demand mode at a rate of 60 beats per minute.The nurse realizes that

The nurse is caring for a patient who is on a cardiac monitor.The nurse realizes that the sinus node is the pacemaker of the heart because it is

The normal width of the QRS complex is which of the following? (Select all that apply.)

Interpret the following rhythm:

Interpret the following rhythm:

Interpret the following rhythm:

The patient is asymptomatic but is diagnosed with second-degree heart block Mobitz I.The patient is on digitalis medication at home.The nurse should expect that

The patient has an irregular heart rhythm.To determine an accurate heart rate,the nurse would first

One of the functions of the atrioventricular (AV)node is to

The patient is admitted with a condition that requires cardiac rhythm monitoring.To apply the monitoring electrodes,the nurse must first

The nurse using cardiac monitoring understands that each horizontal box on the electrocardiogram (ECG)paper indicates

Interpret the following rhythm:

The nurse is examining the patient's cardiac rhythm strip in lead II and notices that all of the P waves are upright and look the same except one that has a different shape and is inverted.The nurse realizes that the P wave with the abnormal shape is probably

The possible P waveforms that are associated with junctional rhythms include which of the following? (Select all that apply.)

Interpret the following rhythm:

Interpret the following rhythm:

The nurse is reading the cardiac monitor and notes that the patient's heart rhythm is extremely irregular and that there are no discernible P waves.The ventricular rate is 90 beats per minute,and the patient is hemodynamically stable.The nurse realizes that the patient's rhythm is

Overview of Critical Care Nursing

Patient and Family Response to the Critical Care Experience

Ethical and Legal Issues in Critical Care Nursing

End-of-Life Care and Palliative Care in Critical Care Settings

Comfort and Sedation

Nutritional Support

Hemodynamic Monitoring

Ventilatory Assistance

Rapid Response Teams and Code Management

Organ Donation

Shock,Sepsis,and Multiple Organ Dysfunction Syndrome

Cardiovascular Alterations

Nervous System Alterations

Acute Respiratory Failure

Acute Kidney Injury

Hematological and Immune Disorders

Gastrointestinal Alterations

Endocrine Alterations

Trauma and Surgical Management

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Exam 7: Dysrhythmia Interpretation and Management

Interpret the following rhythm:

The patient has a permanent pacemaker inserted.The provider has set the pacemaker to the demand mode at a rate of 60 beats per minute.The nurse realizes that

The nurse is caring for a patient who is on a cardiac monitor.The nurse realizes that the sinus node is the pacemaker of the heart because it is

The normal width of the QRS complex is which of the following? (Select all that apply.)

Interpret the following rhythm:

Interpret the following rhythm:

Interpret the following rhythm:

The patient is asymptomatic but is diagnosed with second-degree heart block Mobitz I.The patient is on digitalis medication at home.The nurse should expect that

The patient has an irregular heart rhythm.To determine an accurate heart rate,the nurse would first

One of the functions of the atrioventricular (AV)node is to

The patient is admitted with a condition that requires cardiac rhythm monitoring.To apply the monitoring electrodes,the nurse must first

The nurse using cardiac monitoring understands that each horizontal box on the electrocardiogram (ECG)paper indicates

Interpret the following rhythm:

The nurse is examining the patient's cardiac rhythm strip in lead II and notices that all of the P waves are upright and look the same except one that has a different shape and is inverted.The nurse realizes that the P wave with the abnormal shape is probably

The possible P waveforms that are associated with junctional rhythms include which of the following? (Select all that apply.)

Interpret the following rhythm:

Interpret the following rhythm:

The nurse is reading the cardiac monitor and notes that the patient's heart rhythm is extremely irregular and that there are no discernible P waves.The ventricular rate is 90 beats per minute,and the patient is hemodynamically stable.The nurse realizes that the patient's rhythm is

Overview of Critical Care Nursing

Patient and Family Response to the Critical Care Experience

Ethical and Legal Issues in Critical Care Nursing

End-of-Life Care and Palliative Care in Critical Care Settings

Comfort and Sedation

Nutritional Support

Hemodynamic Monitoring

Ventilatory Assistance

Rapid Response Teams and Code Management

Organ Donation

Shock,Sepsis,and Multiple Organ Dysfunction Syndrome

Cardiovascular Alterations

Nervous System Alterations

Acute Respiratory Failure

Acute Kidney Injury

Hematological and Immune Disorders

Gastrointestinal Alterations

Endocrine Alterations

Trauma and Surgical Management

Burns

Filters