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Rad Tech Lab > Midterm > Flashcards

Midterm Flashcards

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0
Q

Cervical spine AP axial what is the kVp?

A

70-80

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1
Q

Cervical spine AP axial setup what is the distance of the SID?

A

40”

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2
Q

Cervical spine AP axial where is the marker placed?

A

in the shadow of the earlobe

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3
Q

Cervical spine AP axial where do you measure the patient to determine mas?

A

through C4 at 15 degrees upward following path of central ray

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4
Q

Cervical spine AP axial what is the set up method?

A

central ray to patient thn image receptor to central ray

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5
Q

Cervical spine AP axial what are the collimation parameters?

A

8” x soft tissues on the sides

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6
Q

Cervical spine AP axial one things to remember with patient positioning…

A

place a 15 degree foam wedge behind the patients head

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7
Q

Cervical spine AP axial where is the central ray focused on the patient?

A

it points up to the thyroid cartilage

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8
Q

Cervical spine APOM what is the SID?

A

40”

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9
Q

Cervical spine APOM what is the kVp?

A

70-80

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10
Q

Cervical spine APOM mAs?

A

Same as AP view but with 5% increase in kVp

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11
Q

Cervical spine APOM setup method?

A

Central ray to patient thn image receptor to central ray

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12
Q

Cervical spine APOM collimation parameters?

A

“tips to tips, lips to lips” mastoid tips to lips when mouth is open

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13
Q

What is the occusal plane?

A

an imaginary line drawn from the mastoid tip to the bottom of the upper incisors

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14
Q

Cervical spine APOM patient position?

A

Same as AP axial view but with occusal plane perpendicular to the ir and the cr perpendicular to the ir

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15
Q

Cervical spine APOM before taking xray check what?

A

check the occlusal plane from the side

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16
Q

Cervical spine lateral projections what is the SID?

A

72”

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17
Q

Cervical spine lateral projections where is the marker placed?

A

side nearest ir in the occipital area

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18
Q

Cervical spine lateral projections where is patient measured?

A

through c4-slightly lower if patient has a larger neck size

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19
Q

Cervical spine lateral projections what is the setup method?

A

image receptor to patient, central ray to image receptor

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20
Q

Cervical spine lateral projections safety precaution to remember?

A

have patient stand with back to the image receptor to avoid injury to shoulder when lowering the Bucky assembly

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21
Q

Cervical spine lateral projections what is changed for the flexion and extension studies?

A

Nothing aside from the patients position

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22
Q

Cervical spine lateral projections where is the central ray aimed?

A

at the spine not the throat

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23
Q

Cervical spine PA oblique (RAO and LAO) projections what is the recommended SID?

A

72”

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24
Cervical spine PA oblique (RAO and LAO) projections where is the marker placed and what should it represent?
anatomically and indicating the side IVF of interest
25
Cervical spine PA oblique (RAO and LAO) projections where is patient measured?
through C4 at 15 degree downward angle
26
Cervical spine PA oblique (RAO and LAO) projections what is the setup method?
central ray to patient and thn image receptor to central ray
27
What is the difference in setup between PA and AP oblique views?
The angle of the central ray is 15 degrees up for AP views as opposed to 15 degrees downward for PA views
28
Thoracic AP projection what is the SID?
40"
29
Thoracic AP projection what is the setup method?
Image receptor to patient thn central ray to image receptor
30
Thoracic AP projection where do you measure the patient?
Through mid sternum
31
Thoracic AP projection kVp?
70-80
32
Thoracic spine lateral projection what is the SID?
40"
33
Thoracic spine lateral projection what is the kVp?
70-80
34
Thoracic spine lateral projection does the patient breathe?
Yes unless the patient is moving too much thn resort to suspended inspiration
35
Thoracic spine lateral projection where do you measure the patient?
through the axilla
36
Thoracic spine lateral projection setup method?
Image receptor to patient thn central ray to image receptor
37
Thoracic spine lateral projection if patient has scoliosis which way does the curve face?
convexity is towards the image receptor
38
Thoracic spine lateral projection what is the width of the collimation?
about 10-11 inches
39
Thoracic spine lateral projection what is the technique used to blur the ribs?
low mA with a long exposure time while the patient is breathing
40
What is the SID for the swimmers view?
40"
41
Where is the marker placed for a swimmers view?
side nearest the image receptor and placed on that side
42
Where is the patient measured for swimmers view?
through the neck and one armpit at the T1/2 region
43
What is the setup method for the swimmers view?
Central ray to patient thn image receptor to central ray
44
What accessories are needed for the swimmers view?
support pole and weight bag
45
When should you shoot a swimmers view?
When C7 isn't demonstrated on a lateral cervical
46
Lumbar spine AP/PA projection what is the SID?
40"
47
Lumbar spine AP/PA projection what film size should you not use?
the 7x17 bad- 14x17 good
48
Lumbar spine AP/PA projection what are the breathing instructions?
suspended exhalations
49
Lumbar spine AP/PA projection important question to ask the patient?
pregnancy check
50
Lumbar spine AP/PA projection where do you measure?
through the thickest part usually the iliac crests
51
Lumbar spine AP/PA projection setup method?
Central ray to patient thn image receptor to central ray
52
Lumbar spine AP/PA projection should acetabuli be included in the film?
yes
53
Lumbar spine AP/PA projection patient position and central ray position?
Feet shoulder width apart shoes removed and hands at sides. Central ray is perpendicular to level of iliac crests. Palpate ASIS' for rotation and tell patient don't breathe
54
Lumbar spine lateral projection what is the SID?
40"
55
Lumbar spine lateral projection Breathing?
suspended breathing
56
Lumbar spine lateral projection marker position?
just posterior to light field to prevent over exposre
57
Lumbar spine lateral projection where is the patient measured?
through thickest part, usually ASIS
58
Lumbar spine lateral projection what is the setup method?
Central ray to patient thn image receptor to central ray
59
Lumbar spine lateral projection Accessories needed?
foam wedge and support pole
60
Lumbar spine lateral projection central ray position on patient?
perpendicular to the level of the iliac crests and crosshairs should be over the spine
61
Lumbar spine lateral projection what about a patient with wide hips and a narrow torso...what do you use to help even the exposure on the film?
Compensation filter
62
Lumbar spine AP oblique projections what is the SID?
40"
63
Lumbar spine AP oblique projections breathing?
Suspended exhalation
64
Lumbar spine AP oblique projections where do you measure?
through the iliac crest at a 45 degree angle...measure position to be used
65
Lumbar spine AP oblique projections what is the method?
central ray to patient thn image receptor to central ray
66
Lumbar spine AP oblique projections patient instructions for position?
45 degrees to the film with side of interest at the film and arms suspended

Rad Tech Lab (1 decks)

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