Electrocardiography for Healthcare Professionals 5Th Edition By Booth - Test Bank Instant Download - Complete Test Bank With Answers Sample Questions Are Posted Below Electrocardiography for Healthcare Professionals, 5e (Booth) Chapter 6 Atrial Dysrhythmias 1) What medical conditions place pressure on the atria, causing atrial dysrhythmias to occur? A) Renal …
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Electrocardiography for Healthcare Professionals, 5e (Booth)
Chapter 6 Atrial Dysrhythmias
1) What medical conditions place pressure on the atria, causing atrial dysrhythmias to occur?
Answer: B
Explanation: Atrial dysrhythmias occur due to conditions that cause pressure on the atria, such as damage to the atria from myocardial infarction, valvular problems, or neurological influences.
Difficulty: 2 Medium
Topic: Introduction to Atrial Dysrhythmias
Learning Objective: 06.01 Summarize the similarities and differences among atrial dysrhythmias.
Bloom’s: Understand
Accessibility: Keyboard Navigation
2) What kind of impulse causes atrial dysrhythmias?
Answer: C
Explanation: Atrial dysrhythmias are caused by an ectopic impulse in either the right or the left atrium.
Difficulty: 2 Medium
Topic: Introduction to Atrial Dysrhythmias
Learning Objective: 06.01 Summarize the similarities and differences among atrial dysrhythmias.
Bloom’s: Understand
Accessibility: Keyboard Navigation
ABHES: 3.c Apply medical terminology for each specialty
3) In a premature atrial complex (PAC), the P wave may be biphasic. This means that:
Answer: A
Explanation: Biphasic means the waveform has both positive (upward) and negative (downward) deflections on the ECG tracing.
Difficulty: 2 Medium
Topic: Premature Atrial Complexes
Learning Objective: 06.02 Analyze premature atrial complexes and their effect on the patient, including basic patient care and treatment.
Bloom’s: Understand
Accessibility: Keyboard Navigation
ABHES: 3.c Apply medical terminology for each specialty
4) A pattern in which every third complex is a premature beat is referred to as:
Answer: C
Explanation: Trigeminy is a pattern in which every third complex is a premature beat.
Difficulty: 2 Medium
Topic: Premature Atrial Complexes
Learning Objective: 06.02 Analyze premature atrial complexes and their effect on the patient, including basic patient care and treatment.
Bloom’s: Remember
Accessibility: Keyboard Navigation
ABHES: 3.c Apply medical terminology for each specialty
5) Which atrial dysrhythmia has a cardiac complex that occurs too soon and may have abnormal P waves, but other than being ”early,” has no other abnormal features?
Answer: D
Explanation: A premature atrial complex is a cardiac complex that occurs too soon. The P wave on the early complexes may be abnormal, but the other criteria are within the normal ranges.
Difficulty: 2 Medium
Topic: Premature Atrial Complexes
Learning Objective: 06.02 Analyze premature atrial complexes and their effect on the patient, including basic patient care and treatment.
Bloom’s: Remember
Accessibility: Keyboard Navigation
ABHES: 2.c Identify diagnostic and treatment modalities as they relate to each body system
6) A cardiac cell or group of cells that produces an ectopic beat is known as a:
Answer: A
Explanation: A focus is a cardiac cell or group of cells that produces an ectopic beat.
Difficulty: 2 Medium
Topic: Premature Atrial Complexes
Learning Objective: 06.02 Analyze premature atrial complexes and their effect on the patient, including basic patient care and treatment.
Bloom’s: Remember
Accessibility: Keyboard Navigation
ABHES: 3.c Apply medical terminology for each specialty
7) How many different P wave configurations in the same lead indicate a wandering atrial pacemaker (WAP)?
Answer: B
Explanation: At least three different P wave configurations in the same lead indicate a wandering atrial pacemaker (WAP).
Difficulty: 2 Medium
Topic: Wandering Atrial Pacemaker
Learning Objective: 06.03 Analyze wandering atrial pacemaker and its effect on the patient, including basic patient care and treatment.
Bloom’s: Remember
Accessibility: Keyboard Navigation
ABHES: 2.c Identify diagnostic and treatment modalities as they relate to each body system
8) WAP is a normal finding in children, older adults, and well-conditioned athletes. It may also be found in patients with:
Answer: D
Explanation: WAP is a normal finding in children, older adults, and well-conditioned athletes and does not usually cause clinical signs and symptoms. It may also be related to some types of organic heart disease and drug toxicity.
Difficulty: 2 Medium
Topic: Wandering Atrial Pacemaker
Learning Objective: 06.03 Analyze wandering atrial pacemaker and its effect on the patient, including basic patient care and treatment.
Bloom’s: Remember
Accessibility: Keyboard Navigation
ABHES: 2.b Describe common diseases, symptoms, and etiologies as they apply to each system
9) Identify the following rhythm:
Answer: B
Explanation: This rhythm is wandering atrial pacemaker. The P waves continually change in appearance, rhythm is slightly irregular, and the PR interval varies.
Difficulty: 2 Medium
Topic: Wandering Atrial Pacemaker
Learning Objective: 06.03 Analyze wandering atrial pacemaker and its effect on the patient, including basic patient care and treatment.
Bloom’s: Remember
Accessibility: Keyboard Navigation
ABHES: 2.b Describe common diseases, symptoms, and etiologies as they apply to each system
10) Multifocal atrial tachycardia (MAT) is sometimes confused with which of the following dysrhythmias?
Answer: C
Explanation: Multifocal atrial tachycardia has the same characteristics as wandering atrial pacemaker (WAP). The only difference is the heart rate.
Difficulty: 2 Medium
Topic: Multifocal Atrial Tachycardia
Learning Objective: 06.04 Analyze multifocal atrial tachycardia and its effect on the patient, including basic patient care and treatment.
Bloom’s: Remember
Accessibility: Keyboard Navigation
11) What is the rate of wandering atrial pacemaker rhythm (WAP)?
Answer: A
Explanation: The rate for wandering atrial pacemaker rhythm is within the normal limits of 60 to 100 beats per minute.
Difficulty: 1 Easy
Topic: Wandering Atrial Pacemaker
Learning Objective: 06.03 Analyze wandering atrial pacemaker and its effect on the patient, including basic patient care and treatment.
Bloom’s: Remember
Accessibility: Keyboard Navigation
ABHES: 2.b Describe common diseases, symptoms, and etiologies as they apply to each system
12) Which statement correctly describes the P wave in multifocal atrial tachycardia?
Answer: D
Explanation: Multifocal atrial tachycardia has a P wave that changes from beat to beat.
Difficulty: 2 Medium
Topic: Multifocal Atrial Tachycardia
Learning Objective: 06.04 Analyze multifocal atrial tachycardia and its effect on the patient, including basic patient care and treatment.
Bloom’s: Remember
Accessibility: Keyboard Navigation
ABHES: 2.b Describe common diseases, symptoms, and etiologies as they apply to each system
13) What is the rate of multifocal atrial tachycardia (MAT)?
Answer: B
Explanation: Multifocal atrial tachycardia (MAT) has a heart rate of 101 to 150 beats per minute.
Difficulty: 1 Easy
Topic: Multifocal Atrial Tachycardia
Learning Objective: 06.04 Analyze multifocal atrial tachycardia and its effect on the patient, including basic patient care and treatment.
Bloom’s: Remember
Accessibility: Keyboard Navigation
ABHES: 2.b Describe common diseases, symptoms, and etiologies as they apply to each system
14) Multifocal atrial tachycardia (MAT) is usually triggered by congestive heart failure (CHF), acute mitral valve regurgitation, or an acute attack of:
Answer: C
Explanation: MAT is usually triggered by an acute attack of emphysema, congestive heart failure, or acute mitral valve regurgitation.
Difficulty: 2 Medium
Topic: Multifocal Atrial Tachycardia
Learning Objective: 06.04 Analyze multifocal atrial tachycardia and its effect on the patient, including basic patient care and treatment.
Bloom’s: Remember
Accessibility: Keyboard Navigation
ABHES: 2.c Identify diagnostic and treatment modalities as they relate to each body system
15) Identify the following rhythm:
Answer: D
Explanation: This rhythm is multifocal atrial tachycardia (MAT). The P waves change in appearance from beat to beat, the rate is 140 beats per minute, and the rhythm is irregular.
Difficulty: 2 Medium
Topic: Multifocal Atrial Tachycardia
Learning Objective: 06.04 Analyze multifocal atrial tachycardia and its effect on the patient, including basic patient care and treatment.
Bloom’s: Remember
Accessibility: Keyboard Navigation
ABHES: 2.b Describe common diseases, symptoms, and etiologies as they apply to each system
16) Which atrial dysrhythmia has capital F waves and a classic sawtooth or picket fence appearance?
Answer: C
Explanation: Atrial flutter has capital F waves and a classic sawtooth or picket fence appearance.
Difficulty: 2 Medium
Topic: Atrial Flutter
Learning Objective: 06.05 Analyze atrial flutter and its effect on the patient, including basic patient care and treatment.
Bloom’s: Remember
Accessibility: Keyboard Navigation
ABHES: 2.b Describe common diseases, symptoms, and etiologies as they apply to each system
17) What is the atrial rate in atrial flutter?
Answer: B
Explanation: The atrial rate in atrial flutter is between 250 and 350 beats per minute.
Difficulty: 1 Easy
Topic: Atrial Flutter
Learning Objective: 06.05 Analyze atrial flutter and its effect on the patient, including basic patient care and treatment.
Bloom’s: Remember
Accessibility: Keyboard Navigation
ABHES: 2.b Describe common diseases, symptoms, and etiologies as they apply to each system
18) What term describes the ability of the heart to initiate an electrical impulse without being stimulated by another or independent source?
Answer: A
Explanation: Automaticity is the ability of the heart to initiate an electrical impulse without being stimulated by another or independent source.
Difficulty: 2 Medium
Topic: Atrial Flutter
Learning Objective: 06.05 Analyze atrial flutter and its effect on the patient, including basic patient care and treatment.
Bloom’s: Remember
Accessibility: Keyboard Navigation
ABHES: 3.c Apply medical terminology for each specialty
19) Identify the following rhythm:
Answer: B
Explanation: This rhythm is atrial flutter. P waves are missing; only flutter waves are present. The PR interval cannot be measured, and the atrial rate is 250 to 350 beats per minute.
Difficulty: 2 Medium
Topic: Atrial Flutter
Learning Objective: 06.05 Analyze atrial flutter and its effect on the patient, including basic patient care and treatment.
Bloom’s: Remember
Accessibility: Keyboard Navigation
ABHES: 2.b Describe common diseases, symptoms, and etiologies as they apply to each system
20) What occurs immediately prior to ventricular systole when blood is ejected from the atria into the ventricles?
Answer: D
Explanation: The atrial kick occurs immediately prior to ventricular systole, when blood is ejected from the atria into the ventricles.
Difficulty: 2 Medium
Topic: Atrial Flutter
Learning Objective: 06.05 Analyze atrial flutter and its effect on the patient, including basic patient care and treatment.
Bloom’s: Remember
Accessibility: Keyboard Navigation
ABHES: 2.a List all body systems and their structures and functions
21) The loss of atrial kick contributes to what percent decrease in cardiac output?
Answer: C
Explanation: The loss of atrial kick with atrial flutter contributes to a 10% to 30% decrease in cardiac output. When the heart rate increases significantly and the loss of atrial kick occurs, the patient demonstrates signs and symptoms of low cardiac output.
Difficulty: 2 Medium
Topic: Atrial Flutter
Learning Objective: 06.05 Analyze atrial flutter and its effect on the patient, including basic patient care and treatment.
Bloom’s: Remember
Accessibility: Keyboard Navigation
ABHES: 2.b Describe common diseases, symptoms, and etiologies as they apply to each system
22) Which rhythm occurs when the atria quiver like a bowl of Jell-O?
Answer: C
Explanation: In atrial fibrillation, the atrium is not contracting as a whole; instead, it quivers, similar to a bowl of Jell-O.
Difficulty: 2 Medium
Topic: Atrial Fibrillation
Learning Objective: 06.06 Analyze atrial fibrillation and its effect on the patient, including basic patient care and treatment.
Bloom’s: Remember
Accessibility: Keyboard Navigation
ABHES: 2.c Identify diagnostic and treatment modalities as they relate to each body system
23) What atrial dysrhythmia has lowercase “f” waves, chaotic atrial electrical activity, and irregular R-R intervals?
Answer: B
Explanation: The atrial activity in atrial fibrillation is recorded as a chaotic wave. No P wave can be identified. The waveform is referred to as fibrillatory waves or “f” waves. The R-R interval is irregular.
Difficulty: 2 Medium
Topic: Atrial Fibrillation
Learning Objective: 06.06 Analyze atrial fibrillation and its effect on the patient, including basic patient care and treatment.
Bloom’s: Remember
Accessibility: Keyboard Navigation
ABHES: 2.c Identify diagnostic and treatment modalities as they relate to each body system
24) Identify the following rhythm:
Answer: A
Explanation: This is atrial fibrillation. The atrial activity is recorded as a chaotic wave. No P wave can be identified. The R-R interval is irregular.
Difficulty: 2 Medium
Topic: Atrial Fibrillation
Learning Objective: 06.06 Analyze atrial fibrillation and its effect on the patient, including basic patient care and treatment.
Bloom’s: Remember
Accessibility: Keyboard Navigation
ABHES: 2.b Describe common diseases, symptoms, and etiologies as they apply to each system
25) What is the major health risk for patients with atrial fibrillation?
Answer: D
Explanation: Blood will begin to collect in the atria because they are not contracting completely, allowing the opportunity for a clot or thrombus to form.
Difficulty: 2 Medium
Topic: Atrial Fibrillation
Learning Objective: 06.06 Analyze atrial fibrillation and its effect on the patient, including basic patient care and treatment.
Bloom’s: Remember
Accessibility: Keyboard Navigation
26) What treatment is usually attempted for patients with atrial fibrillation?
Answer: C
Explanation: The initial goal in the treatment of uncontrolled atrial fibrillation is to stabilize the patient by slowing the ventricular response via the use of medication first, then cardioversion if necessary.
Difficulty: 2 Medium
Topic: Atrial Fibrillation
Learning Objective: 06.06 Analyze atrial fibrillation and its effect on the patient, including basic patient care and treatment.
Bloom’s: Remember
Accessibility: Keyboard Navigation
ABHES: 2.c Identify diagnostic and treatment modalities as they relate to each body system
27) A traveling blood clot in the lungs is known as:
Answer: D
Explanation: A pulmonary embolism is a blockage to an artery in the lungs, usually caused by a blood clot.
Difficulty: 2 Medium
Topic: Atrial Fibrillation
Learning Objective: 06.06 Analyze atrial fibrillation and its effect on the patient, including basic patient care and treatment.
Bloom’s: Remember
Accessibility: Keyboard Navigation
ABHES: 3.c Apply medical terminology for each specialty
28) A stroke caused by a hemorrhage in the brain, or more often by a clot lodged in a cerebral artery, is known as a:
Answer: A
Explanation: A cerebrovascular accident is a stroke caused by a hemorrhage in the brain, or more often by a clot lodged in a cerebral artery.
Difficulty: 1 Easy
Topic: Atrial Fibrillation
Learning Objective: 06.06 Analyze atrial fibrillation and its effect on the patient, including basic patient care and treatment.
Bloom’s: Remember
Accessibility: Keyboard Navigation
ABHES: 3.c Apply medical terminology for each specialty
29) Which of these health issues is not a possible complication of having a thrombus form in the atria as a result of atrial fibrillation?
Answer: D
Explanation: The patient is at increased risk for forming an embolus that travels through the pulmonary or systemic circulation, and as a result may develop a cerebral vascular accident (CVA), myocardial infarction, pulmonary embolism, renal infarction, or an embolism in any place that the arterial blood is transported.
Difficulty: 2 Medium
Topic: Atrial Fibrillation
Learning Objective: 06.06 Analyze atrial fibrillation and its effect on the patient, including basic patient care and treatment.
Bloom’s: Understand
Accessibility: Keyboard Navigation
30) Patients with new onset of atrial fibrillation often complain of:
Answer: B
Explanation: Patients with new onset of atrial fibrillation often complain of dizziness and nausea. These are signs of low cardiac output.
Difficulty: 2 Medium
Topic: Atrial Fibrillation
Learning Objective: 06.06 Analyze atrial fibrillation and its effect on the patient, including basic patient care and treatment.
Bloom’s: Remember
Accessibility: Keyboard Navigation
ABHES: 2.b Describe common diseases, symptoms, and etiologies as they apply to each system
31) What treatment is usually indicated for patients with atrial flutter?
Answer: A
Explanation: Oxygen therapy is usually implemented to ensure an adequate oxygen supply to the vital organs.
Difficulty: 2 Medium
Topic: Atrial Flutter
Learning Objective: 06.05 Analyze atrial flutter and its effect on the patient, including basic patient care and treatment.
Bloom’s: Remember
Accessibility: Keyboard Navigation
ABHES: 2.c Identify diagnostic and treatment modalities as they relate to each body system
32) How would frequent premature atrial complexes (PACs) affect a patient with coronary artery disease?
Answer: C
Explanation: Frequent PACs can cause the patient to experience symptoms of low cardiac output.
Difficulty: 2 Medium
Topic: Premature Atrial Complexes
Learning Objective: 06.02 Analyze premature atrial complexes and their effect on the patient, including basic patient care and treatment.
Bloom’s: Understand
Accessibility: Keyboard Navigation
ABHES: 2.b Describe common diseases, symptoms, and etiologies as they apply to each system
33) What symptom might a patient with frequent PACs complain of?
Answer: C
Explanation: The patient may complain of palpitations from the early beats. The severity of the patient’s complaint is related to the frequency of the PACs.
Difficulty: 2 Medium
Topic: Premature Atrial Complexes
Learning Objective: 06.02 Analyze premature atrial complexes and their effect on the patient, including basic patient care and treatment.
Bloom’s: Remember
Accessibility: Keyboard Navigation
ABHES: 2.b Describe common diseases, symptoms, and etiologies as they apply to each system
34) Which atrial dysrhythmia results from a reentry pathway that is similar to finding a shortcut to work or school, bypassing the normal traffic route to get to the destination faster?
Answer: B
Explanation: In atrial flutter, the impulse follows a route that allows the impulse to reach the AV node quicker than the normal conduction pathway. The reentry pathway is similar to finding a shortcut to work or school, bypassing the normal traffic route to get to your destination faster.
Difficulty: 2 Medium
Topic: Atrial Flutter
Learning Objective: 06.05 Analyze atrial flutter and its effect on the patient, including basic patient care and treatment.
Bloom’s: Remember
Accessibility: Keyboard Navigation
ABHES: 2.c Identify diagnostic and treatment modalities as they relate to each body system
35) Which of the following terms describes electrical impulses that originate in the atria and initiate an early impulse that interrupts the inherent regular rhythm?
Answer: D
Explanation: PACs are electrical impulses that originate in the atria and initiate an early impulse that interrupts the inherent regular rhythm.
Difficulty: 2 Medium
Topic: Premature Atrial Complexes
Learning Objective: 06.02 Analyze premature atrial complexes and their effect on the patient, including basic patient care and treatment.
Bloom’s: Remember
Accessibility: Keyboard Navigation
ABHES: 3.c Apply medical terminology for each specialty
36) Which atrial dysrhythmia has a changing P wave configuration with at least three variations in one lead and may also have an irregular rhythm?
Answer: A
Explanation: WAP has a changing P wave configuration with at least three variations in one lead. The rhythm may be irregular.
Difficulty: 2 Medium
Topic: Wandering Atrial Pacemaker
Learning Objective: 06.03 Analyze wandering atrial pacemaker and its effect on the patient, including basic patient care and treatment.
Bloom’s: Remember
Accessibility: Keyboard Navigation
ABHES: 2.c Identify diagnostic and treatment modalities as they relate to each body system
37) Which atrial dysrhythmia has a clearly changing P wave and a heart rate of 101 to 150 beats per minute?
Answer: D
Explanation: MAT has a clearly changing P wave and a heart rate of 101 to 150 beats per minute.
Difficulty: 2 Medium
Topic: Multifocal Atrial Tachycardia
Learning Objective: 06.04 Analyze multifocal atrial tachycardia and its effect on the patient, including basic patient care and treatment.
Bloom’s: Remember
Accessibility: Keyboard Navigation
ABHES: 2.c Identify diagnostic and treatment modalities as they relate to each body system
38) Which rhythm is often a transient dysrhythmia that will lead to a more serious atrial dysrhythmia if not treated?
Answer: B
Explanation: Most often, atrial flutter is a transient dysrhythmia that will lead to more serious atrial dysrhythmia if not treated.
Difficulty: 2 Medium
Topic: Atrial Flutter
Learning Objective: 06.05 Analyze atrial flutter and its effect on the patient, including basic patient care and treatment.
Bloom’s: Remember
Accessibility: Keyboard Navigation
ABHES: 2.c Identify diagnostic and treatment modalities as they relate to each body system
39) Which atrial dysrhythmia occurs when electrical impulses come from areas of reentry pathways or multiple ectopic foci?
Answer: A
Explanation: Atrial fibrillation occurs when electrical impulses come from areas of reentry pathways or multiple ectopic foci.
Difficulty: 2 Medium
Topic: Atrial Fibrillation
Learning Objective: 06.06 Analyze atrial fibrillation and its effect on the patient, including basic patient care and treatment.
Bloom’s: Remember
Accessibility: Keyboard Navigation
ABHES: 2.c Identify diagnostic and treatment modalities as they relate to each body system
40) Patients who have atrial fibrillation may have a loss of stroke volume of between:
Answer: B
Explanation: The ineffective electrical activity of the heart in atrial fibrillation often results in a loss of stroke volume of between 20% and 30% of that in patients with an otherwise normal heart.
Difficulty: 2 Medium
Topic: Atrial Fibrillation
Learning Objective: 06.06 Analyze atrial fibrillation and its effect on the patient, including basic patient care and treatment.
Bloom’s: Remember
Accessibility: Keyboard Navigation
ABHES: 2.b Describe common diseases, symptoms, and etiologies as they apply to each system
41) Which atrial dysrhythmia shows chaotic, disorganized activity between normal, but irregular, QRS complexes?
Answer: D
Explanation: In atrial fibrillation, the atrial activity has the appearance of chaotic “scribbles” on the ECG tracing. The ventricles behave normally, so the morphology of the QRS complexes is not affected.
Difficulty: 2 Medium
Topic: Atrial Fibrillation
Learning Objective: 06.06 Analyze atrial fibrillation and its effect on the patient, including basic patient care and treatment.
Bloom’s: Remember
Accessibility: Keyboard Navigation
ABHES: 2.c Identify diagnostic and treatment modalities as they relate to each body system
42) In which of the atrial dysrhythmias is the atrial rate impossible to determine?
Answer: C
Explanation: In atrial fibrillation, you will not be able to determine the atrial rate due to the chaotic nature of the waveforms. This electrical chaos makes it virtually impossible to identify or measure the atrial rate.
Difficulty: 1 Easy
Topic: Atrial Fibrillation
Learning Objective: 06.06 Analyze atrial fibrillation and its effect on the patient, including basic patient care and treatment.
Bloom’s: Remember
Accessibility: Keyboard Navigation
ABHES: 2.c Identify diagnostic and treatment modalities as they relate to each body system
43) Some patients can tolerate the loss of atrial kick if the heart rate remains between:
Answer: B
Explanation: Patients with a normal heart rate can sometimes tolerate the loss of atrial kick caused by atrial flutter. When the heart rate becomes too fast or too slow, the loss of atrial kick results in signs and symptoms of low cardiac output.
Difficulty: 2 Medium
Topic: Atrial Flutter
Learning Objective: 06.05 Analyze atrial flutter and its effect on the patient, including basic patient care and treatment.
Bloom’s: Understand
Accessibility: Keyboard Navigation
ABHES: 2.c Identify diagnostic and treatment modalities as they relate to each body system
44) In which atrial dysrhythmia does the pacemaker site shift between the SA node, other sites in the atria, and/or the AV junction?
Answer: A
Explanation: In wandering atrial pacemaker, the pacemaker site shifts between the SA node, other sites in the atria, and/or the AV junction.
Difficulty: 2 Medium
Topic: Wandering Atrial Pacemaker
Learning Objective: 06.03 Analyze wandering atrial pacemaker and its effect on the patient, including basic patient care and treatment.
Bloom’s: Remember
Accessibility: Keyboard Navigation
ABHES: 2.c Identify diagnostic and treatment modalities as they relate to each body system
45) When labeling an ECG tracing that shows PACs, what additional information should you document on the tracing?
Answer: D
Explanation: When an ECG tracing shows PACs, you should record the type or pattern of PACs (bigeminy, trigeminy, etc.) and the underlying rhythm.
Difficulty: 2 Medium
Topic: Premature Atrial Complexes
Learning Objective: 06.02 Analyze premature atrial complexes and their effect on the patient, including basic patient care and treatment.
Bloom’s: Remember
Accessibility: Keyboard Navigation
ABHES: 4.a Follow documentation guidelines
46) If ectopic impulses are occurring in the heart at a rate that is faster than the SA node,
Answer: B
Explanation: If the atrial ectopic beat is generating electrical impulses faster than the SA node, the ectopic beat overrides the SA node impulse and causes the atria and ventricles to depolarize.
Difficulty: 2 Medium
Topic: Introduction to Atrial Dysrhythmias
Learning Objective: 06.01 Summarize the similarities and differences among atrial dysrhythmias.
Bloom’s: Understand
Accessibility: Keyboard Navigation
47) Which portion of the ECG tracing is primarily affected by atrial dysrhythmias?
Answer: A
Explanation: Because the P wave occurs as a result of atrial depolarization, atrial dysrhythmias primarily affect the P wave.
Difficulty: 1 Easy
Topic: Introduction to Atrial Dysrhythmias
Learning Objective: 06.01 Summarize the similarities and differences among atrial dysrhythmias.
Bloom’s: Remember
Accessibility: Keyboard Navigation
ABHES: 2.b Describe common diseases, symptoms, and etiologies as they apply to each system
48) What causes the different P wave morphologies in an ECG tracing that shows wandering atrial pacemaker?
Answer: C
Explanation: The morphology of the P wave depends on the pacemaker site.
Difficulty: 2 Medium
Topic: Wandering Atrial Pacemaker
Learning Objective: 06.03 Analyze wandering atrial pacemaker and its effect on the patient, including basic patient care and treatment.
Bloom’s: Understand
Accessibility: Keyboard Navigation
49) Which of the following statements describes the PR interval in a wandering atrial pacemaker rhythm?
Answer: B
Explanation: The PR interval varies because the location and morphology of the P wave change with each different ectopic pacemaker site.
Difficulty: 2 Medium
Topic: Wandering Atrial Pacemaker
Learning Objective: 06.03 Analyze wandering atrial pacemaker and its effect on the patient, including basic patient care and treatment.
Bloom’s: Understand
Accessibility: Keyboard Navigation
ABHES: 2.c Identify diagnostic and treatment modalities as they relate to each body system
50) You have performed an ECG on a 68-year-old man and you quickly identify the rhythm as atrial fibrillation. The patient’s heart rate is 192 and he appears pale and unresponsive. You inform the physician immediately because you know that the first treatment goal for this patient is to:
Answer: C
Explanation: The first treatment goal for patient’s with uncontrolled atrial fibrillation is to stabilize the patient by slowing the ventricular response. Medications are generally used first, followed by cardioversion if necessary.
Difficulty: 3 Hard
Topic: Atrial Fibrillation
Learning Objective: 06.06 Analyze atrial fibrillation and its effect on the patient, including basic patient care and treatment.
Bloom’s: Apply
Accessibility: Keyboard Navigation
ABHES: 2.c Identify diagnostic and treatment modalities as they relate to each body system
51) You are about to perform an ECG on a patient who has been hospitalized for acute congestive heart failure. Which of the following atrial dysrhythmias is this patient most likely to develop?
Answer: D
Explanation: Multifocal atrial tachycardia is usually triggered by an acute exacerbation of emphysema, congestive heart failure, or acute mitral valve regurgitation.
Difficulty: 2 Medium
Topic: Multifocal Atrial Tachycardia
Learning Objective: 06.04 Analyze multifocal atrial tachycardia and its effect on the patient, including basic patient care and treatment.
Bloom’s: Apply
Accessibility: Keyboard Navigation
52) You are asked to perform an ECG on a 7-year-old child. The child is active and appears to be in good health. When you check the ECG tracing, you notice that it shows a wandering atrial pacemaker rhythm. What should you do?
Answer: D
Explanation: Wandering atrial pacemaker is not unusual in children, although in some cases it may be the result of organic heart disease or drug toxicity. In this case, since the child appears to be well, there is no immediate cause for alarm. Follow your facility’s usual reporting procedure.
Difficulty: 2 Medium
Topic: Wandering Atrial Pacemaker
Learning Objective: 06.03 Analyze wandering atrial pacemaker and its effect on the patient, including basic patient care and treatment.
Bloom’s: Apply
Accessibility: Keyboard Navigation
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Original price was: $30.00.$20.00Current price is: $20.00.
Original price was: $30.00.$20.00Current price is: $20.00.
Original price was: $30.00.$20.00Current price is: $20.00.
