The electrocardiogram measures

the heart's electrical activity

certain cells to produce electrical impulse w/o need 4 outside stimulation

How do statin medications work?

reduce the incidence of heart attack & death in patient w. high cholesterol

Which of the following actions is helpful in assisting patients with their needs?

Keeping a list of community resources that can further assist the patient

The cardio accelerator center

Is part of the sympathetic nervous system

4th intercostal space to the left of the sternum

The patient must undress from the waist up & put on gown. What else is the patient instructed to do prior to their EKG?

Remove any metal items, change, and cellphones from their pockets and body

Patients taking nitroglycerin sublingually for angina.How can patients tell if the nitroglycerin has lost its strength?

They will not feel tingling when they place the medication under the tongue

ECG rhythm differs from normal sinus rhythm

When preparing a patient to wear a Holter monior instruct the patient to

Depress the event marker for significant symptoms

The electrocardiograph can do all of the following EXCEPT

determine perfusion status of the patient

is normally oriented in the same direction as the preceding QRS complex

A patient is regularly taking digoxin for heart failure. The patient is instructed to do which of the following?

Check their pulse on a regular basis

the first negative deflection following the P wave

The pericardial sac that surrounds the heart

allows the heart to expand & contract with minimal friction

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AMCA practice test EKG

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Questions 93

Answers

1
The electrocardiogram measures
pulse strength
blood pressure
the heart's electrical activity
cardiac output
2
med that is used as a local anesthetic & as first line anti-arrhythmic.treats acute life threatening ventric arrhythmia
Xylocaine
Lopressor
Lipitor
Digoxin
3
Automaticity means
ability to respond to electrical impulse
myocardial cell to contract when stimulated by an electrical impulse
ability to transmit electrical stimulus from cell to cell
certain cells to produce electrical impulse w/o need 4 outside stimulation
4
With lead II, the positive electrode is positioned on the:
left leg
left arm
right arm
right leg
5
An electrical current traveling toward a positive electrode produces a waveform that:
Is mostly flat
Points upward
Is mostly flat
Points downward
6
The normal standardization mark should be how high?
5mm
10cm
10mm
25mm
7
What position should the patient be in when an ECG is performed?
trendelenburg
reverse trendelenburg
supine
prone
8
The wall that separates the two superior chambers of the heart is called
Atrioventricular septum
Interventricular septum
Pulmonary septum
Interatrial septum
9
name this image
idioventricular rhythm
premature ventricular contraction
atrial fibrillation
ventricular Bradycardia
10
How do statin medications work?
reduce the incidence of heart attack & death in patient w. high cholesterol
They cause the heart to regulate the heart rate
They work at thinning the blood to reduce chance of a blood clot formati
They treat hypertension in patients with high blood pressure
11
Which of the following marks the ECG paper?
stylus
marker
ink jet
pen
12
P waves resulting from impulses that originate outside the SA node are called:
R prime
p neutral
retro P
P prime
13
HIPAA has 4 standards. Which standard was made to ensure confidentiality of oral, electronic, & written health info
Transactions and code sets
Security rule
National Identifier Standards
Privacy rule
14
Which of the following actions is helpful in assisting patients with their needs?
Keeping a list of community resources that can further assist the patient
Sending the visiting nurse to assess the patient
Referring the patient to the internet
Having the patient personalize information that he or she wants to learn
15
The cardio accelerator center
Transmits signals to the heart by way of the vagus nerve
Is located in the cortex of the brain
Is part of the sympathetic nervous system
is part of the parasympathetic nervous system
16
Where is V2 located?
Right arm to left leg
Left arm to left leg
4th intercostal space to the right of the sternum
4th intercostal space to the left of the sternum
17
The patient must undress from the waist up & put on gown. What else is the patient instructed to do prior to their EKG?
Go the the bathroom and empty their bladder
Remove any metal items, change, and cellphones from their pockets and body
Apply lotion to overldy dry skin
Perform jumping jacks to stimulate their heartbeat
18
Patients taking nitroglycerin sublingually for angina.How can patients tell if the nitroglycerin has lost its strength?
The medication will smell like ammonia
They will have itching and a rash
They will not feel tingling when they place the medication under the tongue
They get a headache and experience diplopia
19
Two PVCS in a row
salvo
couplet
double
bigeminy
20
Lowers overall resistance in the vascular beds
warfarin
nitroglycerin
digoxin
ACE inhibitors
21
When monitoring a patient with a sinus arrhythmia, a gradual increasing of the heart rate is usually associated with:
Excessive caffeine intake
Expiration
Inspiration
Early signs of cardiac disease
22
Waveforms may be displayed on a screen called
oscilloscope
leads
electrocardiogram
graph
23
An idioventricular rhythm has a rate of
250-350 bpm
100-120 bpm
20-40 bpm
60-100 bpm
24
Which is the first structure that will be seen when imaging from the suprasternal notch?
Coronary artery
Pulmonary artery
IVC
Aortic arch
25
The initiation of the impulse in the SA node and its movement through the atria produces a
QRS complex
t wave
PR interval
P wave
26
When a rhythm speeds up and slows down in a rhythmic fashion it is
patterned
frequent
slight
profound
27
The patient is asymptomatic during the ECG, has a pulse of 92 bpm, & you notice normal sinus rhythm. What should you do?
check the ECG leads
Continue recording
Notify the physician
call 911
28
In leads I, II, III, aVL, and V4 through V6, the deflection of the QRS complex is characteristically
upright
inverted
biphasic
absent
29
The most accurate way to measure heart rate is:
300 method
big box method
1500 method
6 x 10 method
30
Dysrhythmia means
Heart is beating in an unusual way
ECG rhythm differs from normal sinus rhythm
Rhythm arises from a site outside the SA node
EKG has all normal characteristics
31
The space between the ribs is known as:
atria
valves
intercostal space
chambers
32
Which ECG limb lead does not record any electrical activity from the heart?
right leg
right arm
left leg
left arm
33
The breastbone is referred to as
intercostal space
sternum
mediastinum
the septum
34
Atrial fibrillation has
longer PR intervals
no p- waves
a regular rhythm
no QRS complex
35
When preparing a patient to wear a Holter monior instruct the patient to
Remove the monitor when exercising
Remove the monitor from the case when going to bed
Wear the monitor in the shower for accurate readings
Depress the event marker for significant symptoms
36
Which refers to period in the mechanical & electrical events when the heart is relaxed & involves repolarization?
diastole
depolarization
automatically
Systole
37
Which terms refers to the ventricular ectopic discharge at a rapid, regular rate in excess of 100 beats per minute?
Premature ventricular contraction
Atrial flutter
Ventricular tachycardia
Atrial fibrillation
38
The heart receives most of its own blood supply via the
coronary arteries
ascending aorta
SVC
pulmonary arteries
39
What can prevent electrodes from being placed in their usual location?
Left-sided chest pain
Vomiting
Migraine headache
Amputations, casts, or wounds
40
A mini stroke lasting a few minutes, but returns to normal within 24 hours with no permanent damage
Cerebrovascular Attack
Transient Ischemic Attack
Hypo-stroke
Resolving Ischemic Neurological Deficit
41
Gastro means
mediastinum
gas
flatuence
stomach
42
The electrocardiograph can do all of the following EXCEPT
determine perfusion status of the patient
identify irregularities in the heart rhythm
reveal the presence of injury, death or other physical changes in the heart
diagnose non-cardiac diseases such as pulmonary embolism
43
The use of non-invasive and painless ultrasound to examine the heart, its chambers and valves is known as
electrocardiography
doppler imaging
cardiac catheterization
echocardiography
44
The T wave:
Has a peak which is closer to the end than the beginning
Is larger than the P wave and completely symmetrical
Has a peak which is closer to the beginning than the end
is normally oriented in the same direction as the preceding QRS complex
45
The PR interval may vary from beat to beat in
3rd degree AV heart block
Junctional escape
Wandering atrial pacemaker
Sinus dysrhythmia
46
Which of the following topics would not be brought up in exam prep?
current Medications
insurance
date of birth
name
47
If a patient is said to be in asystole, the characteristics would be
Show two or more PVC's in a row
QRS complexes would appear wide and bizarre in configuration
Rate of 0 and no pulse
An absence of discernible P waves
48
When no abnormalities show during a resting ECG the physician may order an exercise ECG, another name for this is
holter monitor
stress test
cardiac monitoring
cardiac monitoring
49
A patient is regularly taking digoxin for heart failure. The patient is instructed to do which of the following?
Continue with their OTC medications
Check their pulse on a regular basis
Continue to take digoxin even if side effects occur
Take medications with antacids
50
The Q wave is
Sometimes upright
the first negative deflection following the P wave
Normally absent
A negative deflection following the R wave
51
The pericardial sac that surrounds the heart
allows the heart to expand & contract with minimal friction
is called the mediastinum
is a thick single walled sac
is the middle layer of heart
52
What takes place as a result of myocardial infarction?
A portion of the heart muscle dies
A major artery becomes blocked
The heartbeat becomes very irregular
A major blood vessel bursts
53
What is used as a reference point to identify the changing electrical impulse?
P wave
QRS complex
isoelectric line
Verticle line
54
The blood vessel that carries oxygenated blood to the body is called?
Pulmonary vein
coronary arteries
Aorta
pulmonary artery
55
The PR interval gets progressively longer in
3rd degree heart block
sinus dysrhythmia
2nd degree AV heart block
1st degree AV heart block
56
On an ECG horizontal lines measure
cardiac output
amplitude of waveform
heart rate
electrical voltage of waveform
57
The category of anti-hypertensive meds that cause vasodilation, block aldosterone secretion & increase urine output
Alpha adrenergic blockers
ACE inhibitor
Beta adrenergic
Thiazide diuretics
58
When educating a patient about factors that increase the risk of atherosclerosis, include which of the following?
Dermatitis and infection
High BUN
High blood pressure and obesity
Flatuence
59
The following rhythm strip is
atrial flutter
ventricular fibrillation
ventricular tachycardia
atrial fibrillation
60
During which phase of the cardiac cycle do the coronary arteries fill?
early systole
early diastole
late diastole
late systole
61
The most muscular chamber of the heart that forces blood through the aortic valve into the aorta would be the:
Left atrium
right ventricle
Left ventricle
Right atrium
62
The following rhythm strip is
atrial fibrillation
ventricular tachycardia
atrial flutter
ventricular fibrillation
63
The following rhythm strip is
atrial fibrillation
ventricular fibrillation
atrial flutter
ventricular tachycardia
64
The 3rd step of analyzing an ECG is to:
Determine the heart rate
Determine the regularity
Evaluate the QRS complexe
Examine the P wave
65
How much blood coming into the ventricles flows passively through the aorta?
70%
80%
50%
60%
66
An over-the-counter medication that can be very effective as an antiplatelet is which of the following?
Antacid
aspirin
Naprocin
Pseudophed
67
The limb leads are obtained by placing electrodes on the
right arm, left leg and right leg
chest and back
right arm, left arm, left leg and right leg
right arm, left arm and left leg
68
If a patient has a limb amputated, where would the electrode be placed?
Omit the electrode because of the missing limb
Tape the electrode to the site of the amputatiion
Use 2 leads on the remaing limb
Use only the 11 remaining leads
69
Characteristics of premature ventricular complexes include that they
Are followed by a non-compensatory pause
Are preceded by an inverted P wave
Have a wide and bizarre QRS complex
Have normal PR intervals
70
An R-on-T PVC
Produces a non-compensatory pause
Appears as a PVC squeezed between two regular complexes
May precipitate ventricular asystole
Occurs on or near the T wave of the previous beat
71
The skeleton of the heart:
Joins the atria and the ventricles as one unit
is the heart's conduction system
Is a plate of muscular tissue
Separates the atria from the ventricles
72
Touching a person's body without their consent
intentional tort
tort
battery
assault
73
The normal QRS complex:
Has a duration of 0.06 to 0.12 seconds
Consists of 2 waveforms
Occurs before the PR interval
Has an amplitude of 5 to 15 mm
74
The following rhythm strip is
ventricular fibrillation
idioventricular rhythm
atrial flutter
atrial fibrillation
75
A flat line going across the screen is known as
systole
angina
asystole
myocardial infarction
76
Which patient education process lets you know that the teaching plan is working?
planning
implementation
documentation
evaluation
77
The prefix anesthesio- means:
breath
digestion
sound
sensation
78
Narcan is used to block or reverse the effects of opioid medications, the treatment is given in what part of the body?
In the gluteus maximus
In the stomach
In the brachium
In a muscle on the outer thigh
79
Premature atrial complexes originate from the
Atria
AV junction
bundle of HIS
SA node
80
The point at which the QRS complex meets the ST segment is called the
RS point
ST interval
QT junction
J point
81
Making false statements orally
defamation
slander
libel
liable
82
Which of the following is treated with hydrocholorothiazide?
Interstitial cystitis
nephritis
high blood pressure and fluid retention
angina pectoris
83
What are the three layers of the heart?
endocardium myocardium, pericardium
myocytes, myosin, actin
pericardum, myocardium, epicardium
epicardium, myocardium, endocardium
84
most superficial layer of heart, made up of simple squamous epithelial tissue over loose areolar connective tissue
Endocardium
Myocardium
epicardium
Pericardium
85
The heart valves that separate the atria from the ventricles are called the
Aortic valves
Atrioventricular valves
Semilunar valves
Pulomary valves
86
Tall and symmetrical peaked P waves may be seen with
delay in movement of the electrical impulse between the right & left atria
Increased right atrial pressure and right atrial dilation
impulses that originate outside the SA node
Increased left atrial pressure and left atrial dilation
87
The myocardium is the
Double-walled membranous sac enclosing the heart
Modified cells found in distal areas of the bundle branches
External layer of the heart
Middle layer of the heart muscle, responsible for pumping action
88
Which one of the following tests do not permit the calculation of the cardiac ejection fraction?
Cardiac nuclear study
Cardiac angiogram
Chest X ray
2D echocardiogram
89
junctional tachycardia has
A rate between 60 and 180 beats per minute
Inverted QRS complexes
PR intervals less than 0.12 seconds
an irregular rhythm
90
Which ECG limb lead does not record any electrical activity from the heart?
right arm
right leg
left leg
left arm
91
During depolarization
Impulses are generated/transmitted wen + charged ions move inside the cell
Positively charged ions leave the cell causing the +charge to decrease
cells have a high concentration of negatively charged ions inside the cell
No electrical activity takes plac
92
Select the method of preparation for the patient that will ensure a successful ECG recording
Inform patient that it's normal to be scared & not to worry about breathing
Makin sure patients legs are not crossed & arms are resting at each side
Having the patient disrobe and put a gown on
Placing the electrodes in the correct position over the patient's clothing
93
Regulation of HR/speed of electrical conduction & strength of contraction are influenced by brain via the__ nervous sys
voluntary
central
autonomic
somatic

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