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MXT EXAM 2 Flashcards

1
Q

A person who cannot see objects at a distance has a condition known as…

A

Myopia

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2
Q

A Snellen eye test is conducted at a distance of

A

20 feet.

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3
Q

After performing an ear instillation, the patient is instructed to lie on the unaffected side to…

A

Allow complete distribution of the medication

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4
Q

what is not a characteristic of a low range peak flow meter

A

only available with a prescription

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5
Q

What is not a characteristic of a nasal cannula

A

used for patients who need a high flow of oxygen

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6
Q

What is not a characteristic of asthma

A

it primarily affects the alveolar ducts and alveoli of the lungs

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7
Q

What is not an example of pulmonary function tests

A

coronary angiography

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8
Q

what is not a guideline for electrodes

A

store them in the refrigerator

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9
Q

What is not a guideline for measuring peak flow rate

A

calculate the average of three acceptable breathing maneuvers

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10
Q

what is not a guideline for oxygen usage

A

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

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11
Q

what is not a guidleine for patient preparation for an ECG

A

do not consume food or fluid except water for 12 hours before the ECG

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12
Q

What is not an indication for spirometry

A

a patient with an upper respiratory infection

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13
Q

what is not a symptom of a low oxygen level in the body

A

nausea and vomiting

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14
Q

what is not a patient preparation requirement for spirometry

A

do not consume food or fluids for 8 hours before the test

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15
Q

what is not a condition that may require home oxygen therapy

A

Heart palpitations

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16
Q

an ear instillation may be performed to…

A

treat an ear infection

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17
Q

an electrolyte must be used when running an ECG to…

A

facilitate the transmission of the electrode impulses of the heart

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18
Q

an eye instillation may be performed to…

A

treat an eye infection

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19
Q

what does an optometrist not perform?

A

performs eye surgery

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20
Q

chest lead V2 IS LOCATED AT THE

A

fourth intercostal space at the left margin of the sternum

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21
Q

during ear irrigation, which of the following techniques is performed to prevent injury to the tympanic membrane?

A

injecting the irrigation solution toward the roof of the ear canal

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22
Q

electrical voltage received by the electrocardiograph is changed to mechanical motion in the

A

galvanometer

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23
Q

how high is the standardization mark when the electrocardiograph is properly standardized?

A

10 mm

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24
Q

How many leads are there on a standard electrocardiogram

A

12

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25
How much time should a patient be given to identify the number on each Ishihara color plate
3 seconds
26
impacted cerumen can be softened by
installing several drops of warm mineral oil into the ear
27
Leadss 1, 2, and 3 are the...
Bipolar leads
28
Near visual acuity testing is conducted with the patient holding the test card...
at a distance of 14 to 16 inches
29
oxygen combines with glucose in the cells of the body to produce
energy
30
the aVR, aVL, and aVF are known as the...
bipolar leads
31
the external auditory canal of an adult is straightened by...
pulling the ear upward and backward
32
the function of cerumen is to...
lubricate and protect the ear canal
33
the purpose of a peak flow meter is to...
measure how quickly air flows out of the lungs
34
the purpose of pulmonary function testing is to
assist lung functioning
35
the range of frequencies for normal speech is
300 to 4000 Hz
36
the Snelling Big E chart is used for assessing
preschoolers
37
The Snellen eye chart is used to
asses peripheral vision
38
tympanometry is most useful in diagnosing patients with...
serous otitis media
39
visual acuity refers to
sharpness of vision
40
what are artifacts?
additional electrical activity picked up the electrocardiograph
41
what happens to the bronchial tubes during an asthma attack?
they constrict, swell, and become clogged with mucus
42
what is cardiac cycle?
one complete heart beat
43
what is the most common color vision defect?
Congenital color vision defects
44
what is the name given to the portion of the ECG between two waves?
segment
45
what term is used to refer to an electrocardiogram result that is within normal limits?
normal sinus rhythm
46
when not in use, Ishihara color plates must be protected from...
light
47
when performing an eye irrigation, the solution should be released....
at the inner canthus
48
Where is chest lead v5 located?
at the horizontal level of v4 at the left anterior axilary line
49
which electrode is used as a ground reference?
right leg
50
which of the following artifacts appears as small, straight, spiked lines that are consistent in nature?
60-cycle interference artifacts
51
which of the following can result in conductive hearing loss?
serous otitis media
52
which of the following can result in sensorineural hearing loss?
intense noise
53
which of the following conditions can cause the ECG tracing to exhibit a larger than normal Q wave and an elevated S-T segment?
Myocardial infarction
54
which of the following devices measure how much air is exhaled by the lungs and how fast it is exhaled?
spirometer
55
which of the following individuals interprets and fills ophthalmic prescriptions such as a prescription for eyeglasses?
optician
56
which of the following is a characteristic of quick- relief asthma medication?
it rapidly opens up the airways
57
which of the following is an example of a tuning fork test?
weber test
58
which of the following is the most specific type of hearing test?
audiometry
59
which of the following may cause a 60-cycle interference artifact?
lead wires not following body contour
60
which of the following oxygen delivery systems separates oxygen from the air for use by the patient?
oxygen concentrator
61
which of the following represents a decrease in the elasticity of the lens as a result of aging process?
presbyopia
62
which of the following represents an error in Snellen eye testing technique?
asking the patient to close the eye not being tested
63
which of the following represents an error in technique when running an electrocardiogram?
positioning the machine so that the power cord runs under the patient table
64
a person who cannot see close objects has a condition known as
hyperopia
65
a patient has a distance visual acuity of 20/40 in the left eye. At what distance would a person with a normal acuity be able to read this line?
40 feet
66
a disposable electrode is held in place by
an adhesive backing on the electrode
67
a patient has a distance visual activity of 20/15 in the right eye. At what distance would a person normal activity be able to read this line?
15 feet

XT NOTES (24 decks)

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