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Rad Tech Lab > Midterm > Flashcards

Midterm Flashcards

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
Q

Cervical spine PA oblique (RAO and LAO) projections where is the marker placed and what should it represent?

A

anatomically and indicating the side IVF of interest

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25
Q

Cervical spine PA oblique (RAO and LAO) projections where is patient measured?

A

through C4 at 15 degree downward angle

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26
Q

Cervical spine PA oblique (RAO and LAO) projections what is the setup method?

A

central ray to patient and thn image receptor to central ray

27
Q

What is the difference in setup between PA and AP oblique views?

A

The angle of the central ray is 15 degrees up for AP views as opposed to 15 degrees downward for PA views

28
Q

Thoracic AP projection what is the SID?

A

40”

29
Q

Thoracic AP projection what is the setup method?

A

Image receptor to patient thn central ray to image receptor

30
Q

Thoracic AP projection where do you measure the patient?

A

Through mid sternum

31
Q

Thoracic AP projection kVp?

A

70-80

32
Q

Thoracic spine lateral projection what is the SID?

A

40”

33
Q

Thoracic spine lateral projection what is the kVp?

A

70-80

34
Q

Thoracic spine lateral projection does the patient breathe?

A

Yes unless the patient is moving too much thn resort to suspended inspiration

35
Q

Thoracic spine lateral projection where do you measure the patient?

A

through the axilla

36
Q

Thoracic spine lateral projection setup method?

A

Image receptor to patient thn central ray to image receptor

37
Q

Thoracic spine lateral projection if patient has scoliosis which way does the curve face?

A

convexity is towards the image receptor

38
Q

Thoracic spine lateral projection what is the width of the collimation?

A

about 10-11 inches

39
Q

Thoracic spine lateral projection what is the technique used to blur the ribs?

A

low mA with a long exposure time while the patient is breathing

40
Q

What is the SID for the swimmers view?

A

40”

41
Q

Where is the marker placed for a swimmers view?

A

side nearest the image receptor and placed on that side

42
Q

Where is the patient measured for swimmers view?

A

through the neck and one armpit at the T1/2 region

43
Q

What is the setup method for the swimmers view?

A

Central ray to patient thn image receptor to central ray

44
Q

What accessories are needed for the swimmers view?

A

support pole and weight bag

45
Q

When should you shoot a swimmers view?

A

When C7 isn’t demonstrated on a lateral cervical

46
Q

Lumbar spine AP/PA projection what is the SID?

A

40”

47
Q

Lumbar spine AP/PA projection what film size should you not use?

A

the 7x17 bad- 14x17 good

48
Q

Lumbar spine AP/PA projection what are the breathing instructions?

A

suspended exhalations

49
Q

Lumbar spine AP/PA projection important question to ask the patient?

A

pregnancy check

50
Q

Lumbar spine AP/PA projection where do you measure?

A

through the thickest part usually the iliac crests

51
Q

Lumbar spine AP/PA projection setup method?

A

Central ray to patient thn image receptor to central ray

52
Q

Lumbar spine AP/PA projection should acetabuli be included in the film?

A

yes

53
Q

Lumbar spine AP/PA projection patient position and central ray position?

A

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
Q

Lumbar spine lateral projection what is the SID?

A

40”

55
Q

Lumbar spine lateral projection Breathing?

A

suspended breathing

56
Q

Lumbar spine lateral projection marker position?

A

just posterior to light field to prevent over exposre

57
Q

Lumbar spine lateral projection where is the patient measured?

A

through thickest part, usually ASIS

58
Q

Lumbar spine lateral projection what is the setup method?

A

Central ray to patient thn image receptor to central ray

59
Q

Lumbar spine lateral projection Accessories needed?

A

foam wedge and support pole

60
Q

Lumbar spine lateral projection central ray position on patient?

A

perpendicular to the level of the iliac crests and crosshairs should be over the spine

61
Q

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?

A

Compensation filter

62
Q

Lumbar spine AP oblique projections what is the SID?

A

40”

63
Q

Lumbar spine AP oblique projections breathing?

A

Suspended exhalation

64
Q

Lumbar spine AP oblique projections where do you measure?

A

through the iliac crest at a 45 degree angle…measure position to be used

65
Q

Lumbar spine AP oblique projections what is the method?

A

central ray to patient thn image receptor to central ray

66
Q

Lumbar spine AP oblique projections patient instructions for position?

A

45 degrees to the film with side of interest at the film and arms suspended

Rad Tech Lab (1 decks)

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