which of the following represents an error in technique when running an electrocardiograph

positioning the machine so that the power cord runs under the patient table

a disposable electrode is held in place by

an adhesive backing on the electrode

all of the following are characteristics of asthma except

it is primarily affects the alveolar ducts and alveoli of the lungs

all of the following are guidelines for measuring peak flow rate except

calculate the average of three acceptable breathing maneuvers

all of the following can lead to inaccurate peak flow measurements except

not changing the disposable mouthpiece between patients

what happens to the bronchial tubes during an asthma attack

they constrict, swell, and become clogged with mucus

a;; of hte following are guidelines for electrodes except

store electrodes in a refrigerator

all of the following are characteristics of a low beak flow meter except

only available with a perscription

all of the following guidelines for patient preparation for an ECG except

do not consume food, fluids except water for 12 hours before before the ECG

which of the following may cause 60- cycle interference artifact

lead wires not following body contour

Where is chest lead V5 located

at the horizontal level of V4 at the left anterior axillary line

Additional electrical activity picked up by the electrocardiograph

all of the following are characteristics of the nasal cannula except

used for patients who need a high flow of oxygen

which of the following is a characteristic of quick relief asthma medications

it rapidly opens up the airways

all of the following results in muscle artifacts except

electrodes that have come loose

all of the following are guidelines for oxygen usage except

use at least 50 feet of tubing with the oxygen delivery system

an electrolyte must be used when running an ECG to

facilitate the transmission of the electrical impulses of the heart

all of the following are patient preparation requirements for spirometry except

do not consume food or fluids for8 hours before the test

an electrocardiogram is a recording of the heart

electrical activity of the heart

all of the following are indications for spirometry except

a patient with an upper respiratory infection

chest leads V2 is located at the

fourth intercostal space at the left margin of the sternum

the purpose of a peak flow meter is to

measure how quickly air flows out of the lungs

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Questions 48

Answers

1
which of the following represents an error in technique when running an electrocardiograph
instructing the patient to lie still and not talk during the procedure
working on the left side of the patient
positioning the machine so that the power cord runs under the patient table
positioning limb electrodes on fleshy part of the upper arms and lower legs
2
which of the following oxygen delivery systems separates oxygen from the air for use by the patient
liquid oxygen
oxygen concentrator
oxygen compressor
compressed oxygen gas
3
a disposable electrode is held in place by
superglue
an adhesive backing on the electrode
a vacuum cup
a rubber strap
4
all of the following are characteristics of asthma except
it is primarily affects the alveolar ducts and alveoli of the lungs
it is most often affects children and young adults
its symptoms include wheezing, shortness of breath, and chest tightness
it is a chronic disease with no cure
5
oxygen combines with glucose in the cells of the body to produce
lactose
adrenalin
insulin
energy
6
a device placed on the skin that picks up electrical impulses released by the heart is known as
an electrode
a lead wire
an electrolyte
an amplifier
7
how many leads are there on a standard electrocardiogram
10
15
12
5
8
all of the following are guidelines for measuring peak flow rate except
take a deep breath until the lungs are full
tightly seal the lips around the mouthpiece
blow all the air out of the lungs as fast as possible
calculate the average of three acceptable breathing maneuvers
9
all of the following can lead to inaccurate peak flow measurements except
not moving the indicator to the bottom for the numbered scale
a crack in the peak flow meter
a fearful and anxious patient
not changing the disposable mouthpiece between patients
10
what is the name given to the portion of the ECG between two waves
baseline
interval
segment
polarization line
11
all of the following are symptoms of a low oxygen level in the body except
cyanosis of the lips and fingernails
difficult or irregular breathing
nausea and vomiting
drowsiness and confusion
12
what happens to the bronchial tubes during an asthma attack
they become hard and stiff
they dilate and go into spasm
they constrict, swell, and become clogged with mucus
they become hyposensitive to allergens
13
what term is used to refer to an electrocardiogram result that is within normal limits
normal sinus rhythm
WNL
sinus arrhythmia
baseline recording
14
holter monitor electrocardiography is used to
evaluate patients with unexplained chest pain
assess the rate and rhythm of the heart during daily activities
all are correct
detect cardiac dysrhythmias that are intermittent in nature
15
a;; of hte following are guidelines for electrodes except
do not use a dried out electrode
check the expiration date on the electrode pouch before use
store electrodes in a refrigerator
after use, reseal the electrode pouch and place it in a plastic bag
16
all of the following are characteristics of a low beak flow meter except
measures the breathing maneuver in liters per minute
only available with a perscription
used by young children
has a scale that ranges from 0 to 300
17
electrocardiography is used to
evaluate chest pain or shortness of breath
detect the presence of cardiac ischemia
detect a dysrhythmia
all are correct
18
all of the following guidelines for patient preparation for an ECG except
do not consume food, fluids except water for 12 hours before before the ECG
wear comfortable clothing
do not apply body lotion or oil on the day of the test
women should not wear tights
19
which of the following may cause 60- cycle interference artifact
parkinsons disease
a broken patient cable
lead wires not following body contour
patient movement
20
all of the following are examples of pulmonary function test except
diffusion capacity
arterial blood gas studies
coronary angiography
pulse oximetry
21
which of the following is an example of a cardiac dysrhythmia
atrial fibrillation
all are correct
premature ventricular contraction
paroxysmal atrial tachycardia
22
which of the following conditions can cause the ECG tracing exhibit larger than normal Qwave and an elevated S-T segment
congestion heart failure
hypertrophy of the heart
coronary artery disease
myocardial infarction
23
the aVR, aVL, and aVF are known as the
standard leads
chest leads
bipolar leads
augmented leads
24
Where is chest lead V5 located
at the horizontal level of V4 at the left midaxillary line
At the fifth intercostal space at the junction the left midclavicular line
midway between V4 and V6
at the horizontal level of V4 at the left anterior axillary line
25
all of the following conditions may require home oxygen therapy except
congestive heart failure
COPD
heart palpitations
cystic fibrosis
26
which of the following is included in a holter monitor computer generated ECG report
selected samples of the patients cardiac activity
any abnormalities that occurred during the monitoring period
information about the patients heart rate rhythm
all are correct
27
what are artifacts
rare objects uncovered in ancient Peru
a type of standardization mark
Additional electrical activity picked up by the electrocardiograph
the marking code recorded by the ECG to indicate which lead is being run
28
How high is the standarization mark when the electrocardiograph is properly standardized
15mm
10mm
20mm
5mm
29
all of the following are characteristics of the nasal cannula except
most frequently used device for administering home oxygen therapy
does not interfere with the patients ability to talk, eat, or drink
used for patients who need a high flow of oxygen
contains two prongs that are inserted into the patients nose
30
which of the following artifacts appears as small, straight, spiked lines are consistent in nature
60-cycle interference artifact
muscle artifact
wandering baseline
interrupted baseline artifact
31
which of the following is a characteristic of quick relief asthma medications
it is usually to prevent asthma symptoms
it rapidly opens up the airways
it is usually taken everyday
all are correct
32
all of the following results in muscle artifacts except
electrodes that have come loose
patients coughing or laughing
patient discomfort
an apprehensive patient
33
which of the following may occur when the body cannot maintain an adequate oxygen level
organ failure
all are correct
body system failure
death of cells
34
all of the following are guidelines for oxygen usage except
store oxygen cylinders in an upright position
store in a clean dry well venilated room
never smoke while using oxygen
use at least 50 feet of tubing with the oxygen delivery system
35
which electrode is used as a ground reference
left arm
right arm
right leg
left leg
36
which of the following are asthma triggers
house dust
animal dander
tobacco smoke
all are correct
37
an electrolyte must be used when running an ECG to
reduce the amount of dryness of the skin
facilitate the transmission of the electrical impulses of the heart
amplify the electrical impulses coming from the heart
protect the patient from shock that are generated by the electrocardiograph
38
all of the following are patient preparation requirements for spirometry except
do not take bronchodilators for 4 hours before the test
wear loose nonrestrictive clothing
do not consume food or fluids for8 hours before the test
stop smoking for at least 8 hours before the test
39
what is a cardiac cycle
one complete heartbeat
relaxation of the entire heart
contraction of the ventricles
construction of the artia
40
an electrocardiogram is a recording of the heart
force of the blood against the walls of the blood vessels
opening and closing of the valves of the heart
contraction and relaxation of the ventricles
electrical activity of the heart
41
which of the following devices measure how much air is exhaled by the lungs and how fast it is exhaled
pulse oximeter
spirometer
blood gas analyzer
tympanogram
42
Leads 1, 2, and 3 are the
augmented leads
bipolar leads
chest leads
precordial leads
43
what type of maintenance should be performed on the electrocardiograph machine
the patient cables lead wires and power cord should be cleaned with cleaner
all are correct
the cables should be inspected for cracks or fraying and replaced if needed
casing of electrocardiograph be cleaned with a soft cloth a mild detergent
44
all of the following are indications for spirometry except
a patient with emphysema
a patient complaining of dyspnea
a patient who has worked in a coal mine for 20 years
a patient with an upper respiratory infection
45
chest leads V2 is located at the
fifth intercostal space at the junction of the left midclavicular line
fourth intercostal space at the right margin of the sternum
fifth intercostal space at the left margin of the sternum
fourth intercostal space at the left margin of the sternum
46
electrical voltage received by the electrocardiograph is changed to mechanical motion in the
amplifier
galvanometer
stylus
patient cable
47
the purpose of pulmonary function testing is to
detect cardiac dysrhythmias
assess lung functioning
dilate the bronchial tubes
detect the presence of lung cancer
48
the purpose of a peak flow meter is to
measure how quickly air flows out of the lungs
diagnose asthma
prevent an asthma attack
deliver asthma medications to the lungs

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