Brainscape's Knowledge GenomeTM

Browse over 1 million classes created by top students, professors, publishers, and experts.


See full index

S2: RADT 114 Positioning > Lab Film Critiques > Flashcards

Lab Film Critiques Flashcards

1
Q

T or F: LPO ribs may be done prone and or upright if needed depending on the patients condition .

A

true

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

Is the following True or False about LPO rib x-rays:

CR PERPENDICULAR TO IR, CENTERED MIDWAY BETWEEN LATERAL RIB MARGIN AND SPINE, CENTERED AT THE LEVEL OF JUGULAR NOTCH.

A

false

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

When x-raying Left (LPO) ribs- please choose the best marker and placement from the choices below.

A

left marker , left upper outer corner

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

On an LPO radiograph will the sternum be superimposing the heart shadow?

A

yes

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

For the following position, state whether the patient is rotated toward or away from the affected side to demonstrate the axillary ribs in the oblique position.

AP (posterior oblique)

A

toward the affected side

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

For the following position, state whether the patient is rotated toward or away from the affected side to demonstrate the axillary ribs in the oblique position.

PA (anterior oblique)

A

away from the affected side

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

What degree of patient rotation is used for AP oblique rib images?

A

45 degrees

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

What patient respiration and body position is used when imaging the ribs above the diaphragm for a normal ambulatory patient?

A

inspiration, erect

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

What patient respiration and body position is used when imaging the ribs below the diaphragm?

A

expiration, recumbent

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

True or false

On an above-diaphragm posterior oblique rib image with accurate positioning, the (A) 7TH AXILLARY RIB or STERNUM is centered within the collimated field. This is accomplished by centering a (B) PERPENDICULAR central ray halfway between the midsaggital plane and (C) AFFECTED LATERAL RIB MARGIN, at a level halfway between the (D) JUGULAR NOTCH and the (E) XIPHOID TIP.

A

true

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

if you were to use a CR cassette what size would you choose for an AP C-Spine .

A

10X12

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

What is the preferred SID used for an AP C-spine ?

A

40 in SID

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

True or False :

A patient may have an AP C-spine radiograph taken

Upright

Decub

Supine

Sitting

Standing

A

true

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

What CR angle is used for an AP C-Spine ?

A

15-20 degrees cephalic

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

Does the SID change when the patient position changes from upright to supine for an AP C-spine ?

A

no

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

Can the CR angle change when the patient position changes from upright to supine for spines?

A

It may change depending on the lordotic curve change due to gravity on the neck

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
17
Q

If spinous processes are not equidistant to the pedicles what positioning error has occurred?

A

rotation

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
18
Q

The names of the cervical vertebral curvatures are: LORDOTIC, PRIMARY COMPENSATORY CURVE, CONCAVE

A

true

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
19
Q

What positioning error occurs if the CR is not angled enough?

A

entire joint spaces are closed

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
20
Q

If not all vertebrae are visualized on an c-spine AP axial, what other projection must be performed to complete the AP projection?

A

open mouth / odontoid

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
21
Q

How many cervical vertebrae are visualized on an AP axial projection?

A

5

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
22
Q

Is this statement true or false:

5 body positions for an oblique L-spine projection can be performed : SUPINE, PRONE, SEMIERECT, ERECT, SITTING

A

true

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
23
Q

Please choose the correct answer :

An average kVp range for a medium sized patient receiving an AP L-spine would be from _____kVp to _____kVp. (high kVp low mas technique)

A

85 to 90

24
Q

Where should your marker placed?

A

Lateral margin of the collimated field

25
Q

Should your marker be within any pertinent anatomy ?

A

no

26
Q

if you are seeing this on a radiograph what position is your patient in?

FLATTENED ILLIAC WING IS ON THE RIGHT SIDE OF THE BODY. FORESHORTENED iLLIAC WING ON THE LEFT

A

RPO

27
Q

Should the spinal column in be the midline of the collimation field and display screen for any and all L-spine radiographs no matter what position?

A

yes

28
Q

How much (how many degrees) will the patient’s torso rotated for an AP oblique lumbar image?

A

45

29
Q

How much rotation is required to better visualize the upper lumbar region?

A

50

30
Q

Is this answer to the question posed true or false?

Why is there a degree difference for upper lumbar than for lower lumbar oblique views ?

Answer: UPPER LUMBAR VERTEBRAE MORE RESEMBLE THE THORACIC VERTEBRAE AND ZYGAPOPHYSEAL JOINTS LIKE AT MORE OF A STEEPER ANGLE

A

true

31
Q

Is the patient’s naval a reliable landmark when locating the mid lumbar vertebral column?

A

no

32
Q

What body plane is used to determine patient obliquity for an AP oblique lumbar image?

A

MIDSAGGITAL PLANE (MSP) or MIDCORONAL PLANE

33
Q

what anatomic structure correlates to the ear of the Scottie dog?

A

superior articular process

34
Q

what anatomic structure correlates to the nose of Scottie dog?

A

transverse process

35
Q

what anatomic structure correlates to the body of the Scottie dog?

A

body of vertebrae

36
Q

what anatomic structure correlates to the eye of the Scottie dog?

A

pedicle

37
Q

what anatomic structure correlates to the front leg of the Scottie dog?

A

inferior articular process

38
Q

On an AP oblique lumbar image with proper imaging, the (A) __________________ is centered within the collimated field. This is accomplished by centering the CR 2 inches (B) _______ to the elevated (C) _____ at a level 1 ½ inches superior to the (D) _________.

A

A. third lumbar vertebrae
B. medial
C. ASIS
D. iliac crest

39
Q

Is this statement True or False:

When taking an AP or PA(rarely done) radiograph of a sacrum you may do this prone , supine, decubitus or standing

A

true

40
Q

From the choices below….

What would be the best Digital Technique used for an average adult when radiographing an AP sacrum :

(remember radiation protection)

A

90@8

41
Q

Is this statement underlined true or false regarding the Sacrum?

(the specific central ray location (include any angles) and landmarks used to position the CR):

15* CEPHALIC ANGLE TO ENTER 2” SUPERIOR TO SYMPHYSIS PUBIS AT MSP

A

true

42
Q

Is gonadal shielding used on all patient AP sacral images?

A

no

43
Q

For an AP sacrum on a female patient should you shield the gonads?

A

no

44
Q

For an AP sacrum on a male patient should you shield the gonads ?

A

yes

45
Q

How can you ensure that patient rotation is not present before taking the x-ray? MAKE SURE

  1. ASIS ARE EQUIDISTANT FROM TABLE TOP
  2. THE PATIENT IS BENDING THE KNEES
  3. YOU ARE LOOKING AT THE PATIENT
  4. YOU ARE KEEPING THE SHOULDERS FLAT AND HEAD STRAIGHT
A

1

46
Q

Do you need to instruct your patient to empty their bladder and colon before an AP sacral image is taken?

Yes or No

A

yes

47
Q

Is this statement true or false regarding Sacral imaging ?

A FULL BLADDER OR FECAL MATERIAL CAN OBSCURE ADEQUATE VISUAL OF ANATOMY. AIR IN COLON, HOWEVER, CAN MAKE VISUALIZATION OF SACRUM EASIER.

A

true

48
Q

To radiograph a PA Caldwell skull (using DR), what technique should be used for a medium sized adult?

(hint: high kVp low mAs technique chart provided to you……..)

A

85kVp @4.2 mAs

49
Q

What is the ideal cassette size to use for radiographing a Skull (PA projection)?

A

10X12

50
Q

What cassette orientation should generally be utilized for a skull PA projection?

A

lengthwise (portrait)

51
Q

Should you use a grid/Bucky or tabletop for skull radiography as a standard part of your routine?

A

grid/Bucky

52
Q

Identify the central ray location, degree and direction of CR angulation (be specific) and landmarks used to position the CR for a PA Caldwell skull radiograph:

  1. CR ENTERS ALONG MSP AT 150 CAUDAL ANGLE TO EXIT THE NASION.LANDMARKS: NASION, GONIONS
  2. CR ENTERS ALONG MSP AT 250 CAUDAL ANGLE TO EXIT THE NASION.LANDMARKS: NASION, INION
  3. CR ENTERS ALONG MSP AT 100 CAUDAL ANGLE TO EXIT THE NASION.LANDMARKS: NASION, GONIONS
  4. CR ENTERS ALONG MSP AT 150 CAUDAL ANGLE TO ENTER THE NASION.LANDMARKS: NASION, GONIONS
A

1

53
Q

The answer to this statement is true or False:

The two cranial distances are equal on a PA axial image if no rotation is present are the:

Answer: LATERAL ORBITAL WALLS or PETROUS PYRAMIDS or GONIONS

A

true

54
Q

How is the CR angulation determined for a PA axial cranial image of a patient who is unable to accurately position the head?

  1. POSITION THE IOML AS PERPENDICULAR AS POSSIBLE TO IR. ANGLE THE CRPARALLEL WITH PATIENT’S IOML AND ADJUST IT 150 CAUDALLY FROM THISANGLE.
  2. POSITION THE OML AS PERPENDICULAR AS POSSIBLE TO IR. ANGLE THE CRPARALLEL WITH PATIENT’S OML AND ADJUST IT 150 CAUDALLY FROM THISANGLE.
  3. POSITION THE OML AS PERPENDICULAR AS POSSIBLE TO IR. ANGLE THE CRPARALLEL WITH PATIENT’S OML AND ADJUST IT 50 CAUDALLY FROM THISANGLE.
A

2

55
Q

What is the CR angulation for a PA axial (Caldwell) projection of the facial bones for a patient who can tuck the chin only enough to place the OML at a 10 degree cephalic angle with the IR?

A

5 Degrees Caudal

56
Q

What is the CR angulation for an AP axial (Caldwell) projection of the facial bones for a patient who can tuck the chin only enough to place the OML at a 5 degree caudal angle with the IR?

A

10 Degrees Cephalic

S2: RADT 114 Positioning (9 decks)

Brainscape helps you reach your goals faster, through stronger study habits.
© 2024 Bold Learning Solutions. Terms and Conditions