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Skel Quality > Midterm > Flashcards

Midterm Flashcards

1
Q

what causes clear specks on a xray

A

dirty screen

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2
Q

What causes a black film on the border

A

light fogged film

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3
Q

what are the semilunar marks on an xray

A

fingernail marks or bent film

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4
Q

what is a christmas tree marks on an xray

A

static artifact

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5
Q

yellow or brown discoloration

A

exhausted fixer

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6
Q

T/F radiographs are legal property of the doctors office or hospital where they are made

A

true

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7
Q

T/F Based upon lecture and the article “The HIPAA Privacy Rule and Adolescents Legal Questions and Clinical Challenges”, a health history associated with pre- x-ray procedures, in a chiropractic practice; have protected status and are confidential
for all adolescents.

A

false

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8
Q

T/F Insurance groups have the right to review your patient’s radiographs and tie
reimbursement for the taking and / or interpretation to a standard of quality.

A

True

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9
Q

T/F the acanthion is facial landmark found on the mandible

A

false

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10
Q

T/F an AP lower cervical where the mentum superimposes over the third cerivical is most likely caused by spinal extension

A

false

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11
Q

T/F the first cervical radiograph view taken on “trauma” patient is the lateral

A

true

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12
Q

T/F cervical views benefit from suspension of respiration after deep inspiration

A

false

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13
Q

T/F Under the HIPAA privacy rule, adolescents who legally are adults and emancipated minors can exercise the rights of individuals and therefore they have the right to make health care decisions

A

true

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14
Q

T/F parents are considered to be the “personal rep” of their unemancipated minors and therefore have access to their childrens protected health information

A

true

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15
Q

T/F Doctors seeking to insulate themselves from potential “failure-to- diagnose” malpractice liability by sending X-rays to a chiropractic or medical radiologist will
find obtaining a second interpretation of X-rays is a guaranteed way to avoid liability

A

false

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16
Q

According to the article “What Wins Malpractice Cases”, what was the factor statistically associated with or the predictor of payment to patients?

A

the patient was awarded, despite cause or negligence, if they were permanently disabled

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17
Q

function of a filter is to

A

absorb xrays

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18
Q

what is the correct order from least radiopaque to most?

A

air, fat, water, bone, metal

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19
Q

what is minimally required for medicolegal identification

A

patients ID
Examination date
marker

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20
Q

ten day rule for females of child bearing age refers to performing non emergency abdominal-pelvic xray

A

during the 10 days after onset of menstration

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21
Q

an oblique view of the cervical spine shows all the IVF fully open but if a mandibular rami superimposes over the upper cervical vertebral. this indicates which type of “less than optimum” patient placement

A

patient’s head is not rotated 90*

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22
Q

To obtain an AP projection of the entire cervical spine, without superimposition of either the mandible or the occiput, one should

A

use the wagging jaw projection

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23
Q

For an AP or lateral view of the cervical spine, vertical (up or down) shift of a pair of identical anatomical structures indicate which type of “less-than- optimum” patient placement?

A

tilt lateral flexion

24
Q

There are two basic principles that guide the use of radiographic technology. Commonly two acronyms are used; ALARA and AHARP. Which of the following are correct as they relate to AHARP?

A

a guide for radiographiic quality

as high as reasonable possible

25
Q

To best visualize the left intervertebral foramen in the cervical region, which of the following position should be done?

A

RPO with 15 in cephalic angle

26
Q

A Davis Series refers to the following series of radiographs:

A

cervical

27
Q

artifacts associated with inadequate processing?

A

Pi lines

28
Q

what are required for proper film identification

A

patients name
office name
exam date
office address

29
Q

penetrating power of xray is

A

kilo-voltage

30
Q

definition of radiographic contrast would be

A

tonal relationship between one density and another

31
Q

the more angled the beam penetrating the object the more

A

elongated and magnified

32
Q

distance between parts to be radiographed and the image receptors is commonly referred to as

A

object image distance

33
Q

what exposure parameter will not increase the amount of denisty of a radiograph

A

increased focal film distance

34
Q

doubling focal film distance required____ to compensate and maintain the film density

A

four times the mAs

35
Q

principle of electrostatic law implies

A

electron will repel and electron

36
Q

function of a screen is to

A

convert xrays to light

37
Q

what type of radiation is the major consituent emitted from the target

A

Bremestrahulung

38
Q

what is the most frequent cause to repeat radiographs

A

under exposure

39
Q

highest mA will produce

A

highest contrast

40
Q

14.In order to maintain density, miliaperage and exposure time are found to be ___ each other

A

inversely proportional to

41
Q

A ____ kV change is the minimum necessary to produce noticeable (minor) change in penetration on a radiograph from the original used at 5.5 kV

A

5.0 kV

42
Q

An increase in radiographic factors from the normally expected radiographic chart
would be required when a patient has which of the following contraindications

A

emphysema

43
Q

Original technique used: 45 mAs 70 kV 40” SID

If the mA was set at 300, what time station would have been set?

A

3/20

44
Q

Original technique used: 200 mA 4/5 sec 70 kV 40” SID

If the mA was set at 300, what time station would have been set?

A

.4 sec

45
Q

What corrections should be made for an AP projection of the pelvis if the greater trochanters are seen partially overlapping the femoral necks

A

invert LE 15*

46
Q

An oblique view of the lumbar spine shows one pedicle placed over the posterior half
of the vertebral body. The position was _____

A

over rotated

47
Q

radiograph with many shades of density poses

A

too little density

48
Q

with all factors unchanged if OID is reduced image mag will

A

directly decrease

49
Q

what is most essential in producing a rad image

A

penetration

50
Q

Which of the following interactions between x-ray photos and matter makes the most significant contribution to patient dose?

A

photoelectric effect

51
Q

In which of the following radiographic examination is collimation to the film size, or less, of greatest important in a possibly pregnant female patient?

A

chest

52
Q

what is seen in oblique film of cspine

A

IVF and pedices

53
Q

T/F If the mAs is decreased by half increasing the Kv by 7 1/5% should approximately the same film density

A

false

54
Q

T/F When using the protective copper and aluminum fiber on a female patient, the
aluminum side is placed away the tube

A

true

55
Q

T/F The quality of the x-ray photons with the x-ray beam is primarily controlled by the
kilovoltage

A

true

56
Q

T/F cathode side of xray tube is where xray photons are produced

A

false

Skel Quality (1 decks)

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