Which of the following is not a reason to use an ambulatory monitor?

To evaluate oxygen utilization by the myocardium

As a health care professional, your responsibilities with the ambulatory monitor include which of the following?

Applying and removing the monitor

What does the electrocardiogram or ECG detect?

The electrical activity of the heart

What is evaluated and classified when determining dysrhythmias?

Waves, segments, and intervals on the ECG tracing

The shape of the P wave is analyzed to determine whether:

all of the atrial current is moving in the same pathway.

The electrocardiograph (ECG) technician should be able to:

determine if an ECG tracing is accurate.

If a patient ask why we close the curtain, what should you tell him/her?

You are providing privacy for the patient.

Leads V3 and V4 view which coronary artery and branch?

Left coronary artery, left anterior descending branch

Bundle branch block rhythm is similar to a sinus rhythm but has what distinguishing characteristic?

QRS duration greater than 0.12 seconds

The V1 lead should be placed at the:

fourth intercostal space, right sternal border.

What must you always check prior to performing any procedure on a patient?

The patient’s name and identification number

The first thing that is needed to perform an ECG is:

a physician order for the test.

Leads II, III, and aVF view which coronary artery and which branch?

Right coronary artery, marginal branch

In a premature atrial complex (PAC), the P wave may be biphasic. This means that:

the waveform has both positive and negative deflections on the ECG tracing.

What medical conditions place pressure on the atria, causing atrial dysrhythmias to occur?

Myocardial infarction, valvular problems, neurological influences

What is the function of the tunica media?

Dilate and constrict to maintain homeostasis

The purpose of the pericardium is to:

protect the heart from infection and trauma.

Leads V1 and V2 view which coronary artery and branch?

Left coronary artery, septal branch

When applying the chest leads, you will place the V6 lead:

in line with V4 on the midaxillary line.

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NHA EKG TEST PREP

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Answers

1
Which of the following is not a reason to use an ambulatory monitor?
To evaluate oxygen utilization by the myocardium
To evaluate artificial pacemaker functioning
To evaluate the effectiveness of cardiac medications
To evaluate the function of the heart after a recent myocardial infarction
2
What symptoms will a patient have if PJCs occur more than four to six times per minute?
Pale skin, rapid breathing
Hypotension, irregular pulse
Hypertension, rapid pulse
Chest pain, lung congestion
3
What information must be included on the ECG requisition?
Patient address and phone number
Location and date of recording
Signature or initials of the ECG technician
Model of the ECG machine
4
Which leads view the inferior wall of the left ventricle?
V3 and V4
I, aVL, V5, and V6
V1 and V2
II, III, and aVF
5
As a health care professional, your responsibilities with the ambulatory monitor include which of the following?
Purchasing the equipment
Interpreting the results of the monitoring
Explaining the test results to the patient
Applying and removing the monitor
6
The abbreviation CAD stands for:
coronary application disease
cold appendage disorder
coronary artery disease
cerebral artery disease
7
What does the electrocardiogram or ECG detect?
High blood pressure readings
The volume of blood pumped per minute
The electrical activity of the heart
The muscle contractions of the heart
8
What is evaluated and classified when determining dysrhythmias?
Artifact, complexes, and patient symptoms
Patient condition and symptoms
Waves, segments, and intervals on the ECG tracing
Rate, artifact, and complexes on the ECG tracing
9
How many different P wave configurations in the same lead indicate a wandering atrial pacemaker (WAP)?
Four
Three
None
Two
10
QRS duration measurement is essential to determine the time it takes for:
atrial depolarization.
atrial relaxation.
ventricular depolarization.
ventricular relaxation.
11
The shape of the P wave is analyzed to determine whether:
all of the atrial current is moving in the same pathway.
the atria and ventricles are contracting together.
atrial depolarization occurred.
the atrial impulses caused the ventricular contraction.
12
The electrocardiograph (ECG) technician should be able to:
Interpret the findings of an ECG tracing
determine if an ECG tracing is accurate.
recommend patient care based on ECG findings.
discuss the results of an ECG with the patient.
13
For the proper placement of V3, you must have placed which other two leads on the patient's chest?
V2 and V5
V4 and V6
V2 and V4
V5 and V4
14
What is the outermost layer of a blood vessel called?
Tunica fascia
Tunica adventitia
Tunica intima
Tunica media
15
Which of the following is not considered a bipolar lead?
Lead II
aVR
Lead III
Lead I
16
What is the middle layer of a blood vessel called?
Tunica adventitia
Tunica media
Tunica intima
Tunica fascia
17
What does the term "retrograde" mean?
Backward
Immediately
Flattened
Horizontal
18
What is the number one cause of death in the united states?
Cardiovascular disease
Accidents
Diabetes
Cancer
19
If a patient ask why we close the curtain, what should you tell him/her?
You do not like co-workers watching you perform the procedure.
You are providing privacy for the patient.
It is loud and noisy in the hallway, and you need to work in a quiet enviro
The temperature of the room is too cold.
20
Leads V3 and V4 view which coronary artery and branch?
Left coronary artery, left anterior descending branch
Left coronary artery, septal branch
Right coronary artery, marginal branch
Left coronary artery, left circumflex branch
21
The normal range for the QRS complex duration is:
0.06 to 0.10 second.
0.12 to 0.20 second.
greater than 0.12 second.
less than 0.06 second.
22
What is the heart rate range for first-degree heart block?
20 to 40 bpm
40 to 60 bpm
100 to 150 bpm
60 to 100 bpm
23
Bundle branch block rhythm is similar to a sinus rhythm but has what distinguishing characteristic?
QRS duration less than 0.12 seconds
PR interval less than 0.12 seconds
QRS duration greater than 0.12 seconds
PR interval greater than 0.20 seconds
24
The innermost layer of the heart is the:
endocardium.
myocardium.
epicardium.
pericardium.
25
Which leads view the lateral wall of the left ventricle?
V1 and V2
I, aVL, V5, and V6
II, III, and aVF
V3 and V4
26
How long does an ambulatory monitor typically record an ECG?
3 months
60 days
24 to 48 hours
12 hours
27
The V1 lead should be placed at the:
fifth intercostal space, midaxillary line.
fourth intercostal space, right sternal border.
fifth intercostal space at the midclavicular line.
fourth intercostal space, left sternal border.
28
What must you always check prior to performing any procedure on a patient?
The patient’s name and identification number
The availability of a patient gown
The method of payment for the procedure
The name of the physician who ordered the test
29
The middle layer of the heart is the:
epicardium.
pericardium.
myocardium.
endocardium.
30
Which of the following is not a type of lead used in a 12-lead ECG?
Abdomen
Unipolar
Chest
Bipolar
31
What is the term for a procedure that does not require entrance into a body cavity, tissue, or blood vessel?
Invasive procedure
Nuclear procedure
Noninvasive procedure
Intensive procedure
32
Which is an instrument that records the electrical activity of the heart during a patient's normal daily activities?
Pacemaker
Single-channel recorder
Ambulatory monitor
Exercise electrocardiograph
33
The first thing that is needed to perform an ECG is:
a consent form signed by the patient.
battery back-up power for the ECG machine.
a physician order for the test.
payment from the patient for the test.
34
Leads II, III, and aVF view which coronary artery and which branch?
Left coronary artery, left circumflex branch
Left coronary artery, left anterior descending branch
Left coronary artery, septal branch
Right coronary artery, marginal branch
35
In a premature atrial complex (PAC), the P wave may be biphasic. This means that:
every third complex is a premature beat.
a changing P wave configuration with at least three variations in one lead.
the waveform has both positive and negative deflections on the ECG tracing.
the P wave is hidden within the T wave.
36
What type of pacemaker is used for patients with heart failure?
Atrial pacemaker
Atriobiventricular pacemaker
Ventricular pacemaker
AV pacemaker
37
What kind of impulse causes atrial dysrhythmias?
Ectopic
Augmented
Extrinsic
Inferior
38
What medical conditions place pressure on the atria, causing atrial dysrhythmias to occur?
Renal conditions, hypertension, thrombus
Myocardial infarction, valvular problems, neurological influences
Valvular problems, palpitations, angina
Cerebrovascular accident, pulmonary embolism, neurological influences
39
Unipolar leads include all the lead types except:
augmented leads.
chest leads.
standard leads.
precordial leads.
40
In first-degree heart block, the electrical current is delayed or blocked along normal conduction pathways _______.
Above the SA node
At or above the AV junction
In the ventricles
Below the AV junction
41
Which of the following is an ectopic impulse that occurs early in the cycle and originates from the ventricles?
PJC
SVT
PAC
PVC
42
Which of the following is not another name for exercise electrocardiography?
Cardiac stress test
Treadmill stress test
Echocardiogram
Exercise tolerance test
43
Time from the beginning of atrial depolarization to the beginning of ventricular depolarization is shown on the ECG wave
QT interval.
PR interval.
ST segment.
QRS complex.
44
What is the function of the tunica media?
Allow medications to pass through
Dilate and constrict to maintain homeostasis
Keep the vessel open
Come in direct contact with the blood
45
The purpose of the pericardium is to:
keep blood flow headed in the right direction.
circulate blood through the coronary arteries.
protect the heart from infection and trauma.
contract the heart.
46
Leads V1 and V2 view which coronary artery and branch?
Left coronary artery, septal branch
Right coronary artery, marginal branch
Left coronary artery, left anterior descending branch
Left coronary artery, left circumflex branch
47
When applying the chest leads, you will place the V6 lead:
at the fifth ICS, left midclavicular line.
at the fourth ICS, right sternal border.
in line with V4 on the midaxillary line.
at the fourth ICS, left sternal border.
48
What is the inherent rate of the Purkinje network?
40 to 60 bpm
60 to 100 bpm
60 to 100 bpm
20 to 40 bpm
49
Junctional rhythms occur because the electrical impulse comes from the AV junction instead of the ________.
Ventricles
SA node
Purkinje fibers
Bundle of His
50
The outermost layer of the heart is the:
epicardium.
myocardium.
endocardium.
pericardium.
51
The sac of tissue that encloses the entire heart is the:
atrium.
myocardium.
ventricle.
pericardium.
52
Which of the following questions is necessary to analyze a P wave on an ECG tracing?
Is the ST segment at the isoelectric line?
Are the atrial and ventricular rates the same?
Does each P wave have a QRS complex following it?
Is the interval between the P wave and the QRS complex constant?
53
What is the normal, inherent rate of the AV node?
20 to 40 bpm
100 to 150 bpm
80 to 100 bpm
40 to 60 bpm
54
How many leads are attached to a patient's chest with ambulatory monitoring?
10 leads
1 to 2 leads
12 leads
3 to 5 leads
55
The abbreviation for myocardial infarction, also known as a heart attack, is:
MI
MCI
IM
HA
56
What additional patient information is needed on the ECG tracing when a bundle branch block is discovered?
Patient’s underlying rhythm
Patient’s symptoms
Patient’s cardiac history
Patient’s blood pressure reading
57
What is another term for loss of consciousness (fainting)?
Syncope
Asystole
Apnea
Cyanosis
58
To obtain a 12-lead ECG tracing, you must apply how many lead wires and electrodes to the patient?
12
3
10
8
59
An ECG monitor technician's main responsibility is to:
Assist the physicians with invasive cardiovascular diagnostic tests.
Preform ultrasounds of the heart and blood vessels.
Repair hospital telemetry
View the ECG tracings, alert the professional of an abnormal heart rhythm.
60
The Einthoven triangle is formed by the following three limb leads:
right arm, left arm, right leg.
right leg, left arm, left leg.
right leg, left leg, right arm.
right arm, left arm, left leg.
61
Which of the following is not assessed during exercise electrocardiography?
Oxygen level
Blood glucose level
Heart rate
Physical appearance
62
Which pacemaker rhythm does not have a pacing spike before P waves?
AV pacemaker rhythm
Ventricular pacemaker rhythm
Atriobiventricular pacemaker rhythm
Atrial pacemaker rhythm
63
Which leads view the septal wall?
V3 and V4
II, III, and aVF
V1 and V2
I, aVL, V5, and V6
64
What does exercise electrocardiography evaluate?
Changes in cardiac output due to exercise
The capacity of the patient’s heart and lungs
The resting and exercise stroke volume of the ventricles
How the heart and blood vessels respond to physical activity
65
What is your most important responsibility during an exercise electrocardiography test?
Attach the electrodes properly.
Provide for safety and be prepared for an emergency.
Interpret the test.
Inform family members of the test outcome.
66
Where are the ventricular pacemaker cells found?
At the AV node
At the Purkinje fibers
At the bundle of His
At the SA node
67
The ECG waveform is indicative of:
the contraction of heart muscles.
how the heart is functioning electrically.
abnormal heart valve conditions.
the heart's pumping capability.
68
What is the term for ventricular rhythms that originate in the Purkinje network?
Ventricular escape rhythms
Agonal rhythms
Asystole rhythms
Junctional escape rhythms
69
The normal PR interval measurement is:
0.10 to 0.16 second.
0.20 to 0.24 second.
0.12 to 0.20 second.
0.06 to 0.12 second.
70
A standard 12-lead ECG focuses directly on which portion of the heart?
Right atrium
Left atrium
Left ventricle
Right ventricle
71
In all ventricular dysrhythmias, which of the following qualities describes P-P intervals?
Missing
Biphasic
Regular
Irregular
72
Which leads view the anterior wall of the left ventricle?
V3 and V4
V1 and V2
I, aVL, V5, and V6
II, III, and aVF
73
A "stat" ECG is done:
in the early morning.
yearly, as part of a routine physical.
before surgery.
immediately.
74
The first electrocardiograph was invented by:
Thomas Edison
Dr. James Herrick
Willem Einthoven
Sir Thomas Lewis.
75
The average heart is approximately what size?
The size of your foot
The size of a cantaloupe
The size of your fist
The size of a baseball
76
You are ordered to preform a ECG on a patient and the patient refuses to allow you to do the ECG. What should you say?
"I will have to report you to my supervisor immediately."
"Will you tell me why you don't wish to have an ECG done?"
"Don't worry; the ECG only takes a few seconds to do."
"Your doctor has ordered this test and it must be done."
77
If the electronic pacemaker is set to 72 bpm and the AV node is firing at 58 bpm, what is the patient’s heart rate?
58 bpm
65 bpm
72 bpm
130 bpm
78
What is recorded on the ECG strip?
The size of the heart
The electrical activity of the heart
The circulation of blood in the heart
The muscle contractions of the heart
79
A pattern in which every third complex is a premature beat is referred to as:
quadgeminy
triphasic.
bigeminy.
trigeminy
80
Which of the following statements about PVCs is true?
PVCs may be unifocal or multifocal in origin.
PVCs can only originate from one site in the ventricles.
PVCs never have an effect on the conduction of normal impulses.
PVCs will not lead to ventricular tachycardia.
81
What is obtained near the end of each exercise stage?
Blood pressure reading and a 12-lead ECG
Assessment of patient's pain level
Blood for laboratory tests
Patient's temperature
82
In junctional rhythms, where does the electrical current initiate?
Atria
Bundle of His
Ventricles
AV junction
83
As an exercise stress test progresses, what happens to the level of exertion of exercise?
It is maintained throughout the test.
It is adjusted for patient comfort.
It increases in stages.
It decreases in stages.
84
Measuring the PR interval requires the ECG technician to measure from the:
beginning of the P wave to the end of the R wave.
beginning of the Q wave to the J point.
beginning of the P wave to the beginning of the QRS complex.
beginning of the Q wave to the beginning to the T wave.
85
Which heart block dysrhythmia has regular P-P and R-R intervals that both occur at the same rate?
Second-degree heart block, Mobitz type II
Third-degree heart block
Second-degree heart block, Mobitz type I
First-degree heart block
86
Leads V3 and V4 view which coronary artery and branch?
Left coronary artery, left circumflex branch
Left coronary artery, septal branch
Left coronary artery, left anterior descending branch
Right coronary artery, marginal branch
87
You observe a wide QRS complex in lead II. Which lead should you check to evaluate location of the bundle branch block?
Lead V1
Lead III
Lead V4
Lead I
88
What symptoms would you observe in a patient with first-degree AV block?
The patient would experience extreme fatigue and weakness.
The patient would have normal cardiac output and no symptoms.
The patient would have a rapid pulse and shortness of breath.
The patient would be unconscious.
89
A cardiac cell or group of cells that produces an ectopic beat is known as a:
focus.
flutter.
fusion.
fascicle.
90
WAP is a normal finding in children, older adults, and well-conditioned athletes. It may also be found in patients with:
organic heart disease and drug toxicity.
congestive heart failure and hypertension.
neurological disorders and renal insufficiency.
cardiovascular disease and metabolic disorder.
91
What is the function of the tunica adventitia?
Dilate and constrict to maintain homeostasis
Keep the vessel open
Come in direct contact with the blood
Allow medications to pass through
92
The QRS complex represents the time it takes for:
the electrical current to be initiated at the SA node.
the ventricles to depolarize or contract.
the current to move through the atria.
repolarization to take place.
93
A bundle branch block must be considered when the QRS complex measures what length?
0.12 seconds or greater
Less than 0.06 seconds
0.04 to 0.08 seconds
0.06 to 0.10 seconds
94
Which rib is located next to the angle of Louis?
Fourth rib
Third rib
First rib
Second rib
95
Which heart block rhythm has a constant PR interval that measures greater than 0.20 seconds?
Third-degree AV block
Second-degree AV block, Mobitz type II
First-degree AV block
Second-degree AV block, Mobitz type I

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