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XT NOTES > MXT EXAM 2 > Flashcards

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
Q

How much time should a patient be given to identify the number on each Ishihara color plate

A

3 seconds

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26
Q

impacted cerumen can be softened by

A

installing several drops of warm mineral oil into the ear

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27
Q

Leadss 1, 2, and 3 are the…

A

Bipolar leads

28
Q

Near visual acuity testing is conducted with the patient holding the test card…

A

at a distance of 14 to 16 inches

29
Q

oxygen combines with glucose in the cells of the body to produce

A

energy

30
Q

the aVR, aVL, and aVF are known as the…

A

bipolar leads

31
Q

the external auditory canal of an adult is straightened by…

A

pulling the ear upward and backward

32
Q

the function of cerumen is to…

A

lubricate and protect the ear canal

33
Q

the purpose of a peak flow meter is to…

A

measure how quickly air flows out of the lungs

34
Q

the purpose of pulmonary function testing is to

A

assist lung functioning

35
Q

the range of frequencies for normal speech is

A

300 to 4000 Hz

36
Q

the Snelling Big E chart is used for assessing

A

preschoolers

37
Q

The Snellen eye chart is used to

A

asses peripheral vision

38
Q

tympanometry is most useful in diagnosing patients with…

A

serous otitis media

39
Q

visual acuity refers to

A

sharpness of vision

40
Q

what are artifacts?

A

additional electrical activity picked up the electrocardiograph

41
Q

what happens to the bronchial tubes during an asthma attack?

A

they constrict, swell, and become clogged with mucus

42
Q

what is cardiac cycle?

A

one complete heart beat

43
Q

what is the most common color vision defect?

A

Congenital color vision defects

44
Q

what is the name given to the portion of the ECG between two waves?

A

segment

45
Q

what term is used to refer to an electrocardiogram result that is within normal limits?

A

normal sinus rhythm

46
Q

when not in use, Ishihara color plates must be protected from…

A

light

47
Q

when performing an eye irrigation, the solution should be released….

A

at the inner canthus

48
Q

Where is chest lead v5 located?

A

at the horizontal level of v4 at the left anterior axilary line

49
Q

which electrode is used as a ground reference?

A

right leg

50
Q

which of the following artifacts appears as small, straight, spiked lines that are consistent in nature?

A

60-cycle interference artifacts

51
Q

which of the following can result in conductive hearing loss?

A

serous otitis media

52
Q

which of the following can result in sensorineural hearing loss?

A

intense noise

53
Q

which of the following conditions can cause the ECG tracing to exhibit a larger than normal Q wave and an elevated S-T segment?

A

Myocardial infarction

54
Q

which of the following devices measure how much air is exhaled by the lungs and how fast it is exhaled?

A

spirometer

55
Q

which of the following individuals interprets and fills ophthalmic prescriptions such as a prescription for eyeglasses?

A

optician

56
Q

which of the following is a characteristic of quick- relief asthma medication?

A

it rapidly opens up the airways

57
Q

which of the following is an example of a tuning fork test?

A

weber test

58
Q

which of the following is the most specific type of hearing test?

A

audiometry

59
Q

which of the following may cause a 60-cycle interference artifact?

A

lead wires not following body contour

60
Q

which of the following oxygen delivery systems separates oxygen from the air for use by the patient?

A

oxygen concentrator

61
Q

which of the following represents a decrease in the elasticity of the lens as a result of aging process?

A

presbyopia

62
Q

which of the following represents an error in Snellen eye testing technique?

A

asking the patient to close the eye not being tested

63
Q

which of the following represents an error in technique when running an electrocardiogram?

A

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

64
Q

a person who cannot see close objects has a condition known as

A

hyperopia

65
Q

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?

A

40 feet

66
Q

a disposable electrode is held in place by

A

an adhesive backing on the electrode

67
Q

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?

A

15 feet

XT NOTES (24 decks)

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