during repolarization

impulses generated & transmitted when positively charged ions

the limbs leads are obtained by placing electrodes on the

right arm, left arm and left leg

occurs on or near the T wave of the previous beat

before placing electrodes on patients body, interference may occur if there is alot of hair covering. What should u do?

ask patients permission before shaving them

the cardio accelerator center

is part of the sympathetic nervous system

when educating a patient about factors that increase the risk of atherosclerosis, include which of the following?

high blood pressure and obesity

the pericardial sac that surrounds the heart

allows the heart to expand & contract with minimal friction

when preparing a patient to wear a Holter monitor instruct the patient

depress the event marker for significant symptoms

characteristics of premature ventricular complexes include that they

have a wide and bizarre QRS complex

a standardization mark is

10 mm tall; 2 large squares high

the skeleton of the heart:

separates the atria from the ventricles

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 electrocardiograph can do all of the following except

determine perfusion status of the patient

junctional tachycardia has

a rate between 60 & 180 beats per minute

if a patient has a limb amputated, where would the electrode be place?

tape the electrode to the site of the amputation

is normally oriented in the same direction as preceding QRS complex

question in the picture

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

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

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EKG Practice AMCA Exam

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1
during repolarization
the cells have a high concentration of negatively charged ions inside cell
impulses generated & transmitted when positively charged ions
positively charged ions leave the cell causing positive charge to decrease
no electrical activity takes place
2
ventricular repolarization
T
repolarization
P wave
QRS
3
an over-the-counter medication that can be very effective as an antiplatelet is which of the following
antacid
naprocin
pseudophed
aspirin
4
the most muscular chamber of heart that forces blood through aortic valve into the aorta would be the
right ventricle
left ventricle
right atrium
left atrium
5
the limbs leads are obtained by placing electrodes on the
right arm, left leg and left arm
chest and back
right arm, left arm, left leg, an d right leg
right arm, left arm and left leg
6
an R-on-T PVC
occurs on or near the T wave of the previous beat
may precipitate ventricular asystole
appears as a PVC squeezed between two regular complexes
produces a non-compensatory pause
7
relaxation or diastole of the cardiac muscle
repolarization
QRS
P wave
depolarization
8
before placing electrodes on patients body, interference may occur if there is alot of hair covering. What should u do?
apply a depilatory and wipe hair off
ask patients permission before shaving them
wash their skin and apply shave cream
put them in the shower and ask them to shave
9
ventricular depolarization
repolarization
QRS
P wave
repolarization
10
in leads I, II, III, aVL, & V4 through V6, the deflection of the QRS complex is characteristically
absent
inverted
upright
biphasic
11
the cardio accelerator center
is located in the cortex of the brain
transmits signals to the heart by way of the vagus nerve
is part of the sympathetic nervous system
is part of the parasympathetic nervous system
12
when educating a patient about factors that increase the risk of atherosclerosis, include which of the following?
dermatitis and infection
fatulence
high blood pressure and obesity
high BUN
13
the wall that separates the two superior chambers of the heart is called:
pulmonary septum
interventricular septum
atrioventricular septum
interatrial septum
14
during which phase of the cardiac cycle do the coronary arteries fill?
early diastole
late systole
early systole
late diastole
15
when no abnormalities show during a resting ECG the physician may order an exercise ECG. Another name for this is
cardiac catherization
stress test
cardiac monitoring
holter monitor
16
which terms refers to the ventricular ectopic discharge at rapid, regular rate in excess of 100 bpm?
atrial fibrilation
premature ventricular contraction
ventricular tachycardia
atrial flutter
17
the pericardial sac that surrounds the heart
is a thick single walled sac
allows the heart to expand & contract with minimal friction
is the middle layer of the heart
is called the mediastinum
18
when preparing a patient to wear a Holter monitor instruct the patient
remove the monitor from the case when going to bed
remove the monitor when exercising
wear the monitor in the shower for accurate readings
depress the event marker for significant symptoms
19
characteristics of premature ventricular complexes include that they
are preceded by an inverted P wave
have a wide and bizarre QRS complex
have normal PR interval
are followed by a non-compensatory pause
20
Contraction or Systole of the cardiac muscle
repolarization
QRS
P wave
depolarization
21
a standardization mark is
10 mm tall; 2 large squares high
used to check the power supply on the ECG machine
created manually on all ECG machines
.20 seconds
22
lowers overall resistance in the vascular beds
ACE inhibitors
digoxin
nitroglycerin
warfarin
23
which patient education process lets you know that the teaching plan is working?
planning
documentation
evaluation
implementation
24
which ECG limb lead does not record any electrical activity from the heart?
right arm
left arm
left leg
right leg
25
the following rhythm strip is:
ventricular fibrillation
atrial flutter
idioventricular rhythm
atrial fibrillation
26
the blood vessel that carries oxygenated blood to the body is called?
coronary arteries
pulmonary artery
aorta
pulmonary vein
27
an idioventricular rhythm has a rate of
100-120 bpm
250-350 bpm
20-40 bpm
60-100 bpm
28
the skeleton of the heart:
joins the atria and the ventricles as one unit
is the heart conduction system
separates the atria from the ventricles
is a plate of muscular tissuse
29
a patient is regularly taking digoxin for heart failure. The patient is instructed to do which of the following?
take medications with antacids
check their pulse on a regular basis
continue with their OTC medications
continue to take digoxin even if side effects occur
30
the patient is asymptomatic during the ECG and you notice normal sinus rhythm. What should you do?
check the ECG leads
notify the physician
continue recording
call 911
31
when monitoring a patient with sinus arrhythmia, a gradual increase of the heart rate is usually associated with
excessive caffine intake
early signs of heart failure
expiration
inspiration
32
which of the following topics would not be brought up in exam prep?
date of birth
insurance
name
current medications
33
regulation of heartrate, speed of electrical conduction & strength of contraction are influenced by brain via __
autonomic
voluntary
central
somatic
34
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
doagose non-cardiac disease such as pulmonary embolism
35
junctional tachycardia has
PR intervals less than 0.12 seconds
inverted QRS complexes
a rate between 60 & 180 beats per minute
an irregular rhythm
36
the space between the ribs is known as:
valves
chambers
intercostal space
atria
37
the point at which the QRS complex meets the ST segment is called the:
RS point
QT junction
ST interval
J point
38
if a patient has a limb amputated, where would the electrode be place?
omit the electrode because of the missing limb
use 2 leads on the remaining limb
use only only the 11 remaining leads
tape the electrode to the site of the amputation
39
the following rhythm strip is:
atrial flutter
atrial fibrillation
ventricular tachycardia
ventricular fibrillation
40
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 a muscle on the outer thigh
in the stomach
in the brachium
41
the T wave
is normally oriented in the same direction as preceding QRS complex
is larger than the P wave & completely symmetrical
has a peak which is closer to the end than
has a peak which is closer to the end than the begining
42
the heart receives most of its own blood supply via the:
ascending aorta
SVC
coronary arteries
pulmonary arteries
43
when monitoring a patient with sinus arrhythmia, a gradual increasing of heart rate usually associated with
expiration
inspiration
excessive caffeine intake
early sign
44
question in the picture
they get a headache and experience
the medication will smell like ammonia
they will not feel tingling when they place the medication under the tongue
they will have itching and a rash
45
medication that can be used as local anesthetic as well as first line anti-arrhythmic used treat acute life threatening-
xylocaine
digoxin
lopressor
lipitor
46
what can prevent electrodes from being placed in their usual usual location?
amputations, cast, or wounds
left-sided chest pain
vomiting
migraine headache
47
which of the following marks the ECG paper
pen
stylus
ink jet
marker
48
which of the following actions is helpful in assisting patients with their needs?
having patient personalize information that he/she wants to learn
sending the visiting nurse to assess the patient
keeping a list of community resources that can further assist the patient
referring the patient to the internet
49
the PR interval gets progressively longer in
sinus dysrhythmia
1st degree AV heart block
3rd degree heart block
2nd degree AV heart lock
50
Which following refer to period in the mechanical & electrical events when the <3 is relaxed and involves repolarization
depolarization
diastole
systole
automaticity
51
how much blood coming into the ventricles flows passively through the aorta
50%
80%
70%
60%
52
when a rhythm speeds up and slows down in a rhythmic fashion it is referred as
patterned
frequent
slight
profound
53
select method of preparation for the patient that will ensure a successful ECG
placing the electrodes in the correct position over the patient clothing
informing the patient that it is normal to be scared and not worry abt brea
having the patient disrobe and put a gow on
making sure patients leg are not crossed/resting each side
54
The PR interval may vary from beat to beat in
junctional excape
3rd degree AV heart block
sinus dysrhythmia
wandering atrial pacemaker
55
what takes place as a result of myocardial infarction
a portion of the heart muscle dies
a major artery becomes blocked
a major blood vessels burst
the heartbeat becomes very irregular
56
atrial depolarization
T
P wave
depolarization
repolarization
57
which ECG limb lead does not record any electrical activity from the heart?
left leg
right arm
right leg
left arm
58
atrial fibrillation has
longer PR intervals
no QRS complex
a regular rhythm
no P-waves
59
the 3rd step analyzing an ECG is to:
evaluate the QRS complexes
determine the heart rate
examine the P wave
determine the regularity
60
the following rhythm strip is
ventricular tachycardia
ventricular fibrillation
atrial flutter
atrial fibrillation
61
two PVCs in a row
bigemy
salvo
couplet
double
62
the heart valves that separate the atria from the ventricles are called the:
aortic valves
semilunar valves
atrioventricular valves
pulmonary valves
63
the contraction phase of the heartbeat is called
diastole
repolarization
tachycardia
systole
64
most superficial layer of the <3 is made up of simple squamous epithelial tissue over loose areolar connective tissue is
epicardium
myocardium
endocardium
pericardium
65
waveforms may be displayed on a screen called
leads
electrocardiogram
graph
oscilloscope
66
the normal QRS complex
has an amplitude of 5 to 15 mm
consists of 2 waveforms
occurs before the PR interval
has a duration of 0.06 to 0.12 seconds
67
the initiation of the impulse in the SA node & its movement through the atria produces a
T wave
PR interval
P wave
QRS complex
68
the myocardium is the
external layer of the heart
modified cells found in distal areas of the bundle branches
middle layer of the heart muscle, responsible for pumping action
double-walled membranous sac enclosing the heart
69
which one of the following tests do not permit the calculation of the cardiac ejection fraction?
cardiac nuclear study
cardiac angiogram
2D echocardiogram
chest X ray
70
an electrical current traveling toward a positive electrode produces a waveform that
points downward
is both up and down (biphasic)
points upward
is mostly flat
71
what are the three layers of the heart
pericardium, myocardium, epicardium
myocytes, myosin actin
epicardium, myocardium, endocardium
endocardium, myocardium, pericardium
72
how do statin medications work?
reduce incidence of heart attack & death in patients with high cholesterol
they cause the heart to regulate the heart rate
they treat hypertension in patients with high blood pressure
work at thinning the blood to reduce the chance of blood clot formation
73
where is V2 located
4th intercostal space to the left of the sternum
left arm to left leg
5th intercostal space to the right of the sternum
right arm to left leg
74
The patient must undress from the waist up and put on a gown. What else is patient instructed to do prior to their EKG?
remove any metal items, change & cellphones from their pockets and body
perform jumping jacks to stimulate their heartbeat
go to the bathroom and empty their bladder
apply lotion to overldy dry skin
75
what position should the patient be in when an ECG is performed?
reverse trendelenburg
prone
supine
trendelenburg
76
gastro means
medistinum
stomach
gas
flatuence
77
HIPAA contains 4 standards. Which was put in place to ensure confidentiality of oral, electronic, & written health info
national identifier standards
security rule
privacy rule
transactions and code sets
78
a flat line going across the screen is known as
myocardial infarction
angina
systole
asystole
79
if a patient is said to be in asystole, the characteristics would be
show to or more PVC's in a row
QRS complexes would appear ide and bizarre in configuration
rate of 0 and no pulse
an absence of discernible P wave
80
dysrthymia means
rhythm arises from a site outside the SA node
ECG rhythm differs from normal sinus rhythm
EKG has all normal characteristic
heart is beating in an unusual way
81
the most accurate way to measure heart rate is:
300 method
big box method
1500 method
6 x 10 methond
82
which of following is treated with hydrochlorothiazide
angina pectoris
nephritis
interstitial cystitis
high blood pressure and fluid retention
83
premature atrial complexes originate from the
SA node
Bundle of HIS
atria
AV junction
84
the breastbone is referred to as
the septum
sternum
mediastinum
intercostal space
85
P waves resulting from impulses that originate outside the SA node are called
retro P
R prime
P neutral
P prime
86
tall and symmetrical peaked P waves may be seen with
impulses that originate outside the SA node
increased right atrial pressure and right atrial dilation
increased left atrial pressure and left atrial dilation
delay in the movement of electrical impulse between the right & left atria
87
the Q wave is:
sometimes upright
normally absent
negative deflection following the R wave
first negative deflection following the P wave
88
the prefix anethesio- means:
sound
breath
digestion
sensation
89
the use of non-invasive and painless ultrasound to examine the heart, its chambers and valves is known as
doppler imaging
echocardiography
electrocardiography
cardiac catheterization
90
category of anit-hypertensive medication will cause vasodilation, block aldosterone secretion & increase urine output
beta adrenergic
alpha adrenergic blockers
ACE inhibitor
thiazide diuretics
91
the normal standardization mark should be how high
5 mm
10 cm
25 mm
10 mm
92
which following is first structure that will be seen when imaging from the suprasternal notch?
aortic arch
IVC
coronary artery
pulmonary artery
93
what is used as a reference point to identify the changing electrical impulse
vertical line
P wave
QRS complex
isoeletric line
94
with lead II, the positive electrode is positioneed on the:
right arm
left leg
left arm
right leg
95
on an ECG horizontal lines measure
heart rate
cardiac output
electric voltage of the waveform
amplitude of the waveform
96
the electrocardiogram measures
pulse strength
the heart's electrical activity
cardia output
blood pressure
97
touching a person's body without their consent
intentional tort
tort
battery
assault
98
the following rhythm strip is:
atrial flutter
atrial fibrillation
ventricular fibrillation
ventricular tachycardia
99
automaticity means
ability of myocardial cell to contract when stimulated by electrical impuls
abiity certain cells produce electrical impulse w/o need outsid stimulation
ability to transmit an electrical stimulus from cell to cell throughout myo
ability to respond to an electrical impulse
100
making false statements orally
liable
defamation
slander
libel

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