Brainscape's Knowledge GenomeTM

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


See full index

spring 2015 > test 4 skull positioning > Flashcards

test 4 skull positioning Flashcards

0
Q

PA SKULL: OML is ______ to IR.

A

Perpendicular

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

How can you tell this is a PA skull?

A

Petrous ridges fill orbits

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

PA SKULL: MSP is _______ to IR

A

Perpendicular

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

In a PA skull what is touching the IR

A

Forehead and nose

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

Where does the cr enter or exit on a PA skull?

A

Exits nasion

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

Do you angle on a PA skull?

A

No angle

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

What structures do you see on the PA skull?

A

⚫️petrous ridges fill orbits
⚫️cristi galli
⚫️frontal bone
⚫️frontal sinuses

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

How can you tell this is a PA axial skull?

A

Petrous ridges in lower third of orbits

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

In a PA axial skull: OML is ______ to IR

A

Perpendicular

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

In PA axial skull: MSP is _______ to IR

A

Perpendicular

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

In a PA axial skull what is touching the IR?

A

Forehead and nose

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

In a PA axial skull where the CR enter or exit?

A

Exits nasion

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

Do you angle the CR on a PA axial skull, how much and what direction?

A

15 degree caudal

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

What structures do you see on a PA axial skull?

A

⚫️petrous ridges in bottom 1/3 of orbits
⚫️cristi galli
⚫️frontal bone
⚫️frontal sinuses

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

AP AXIAL SKULL(Townes method) : OML IS _____ To IR.

Or

IOML is ______ to IR

A

Perpendicular

Perpendicular

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

AP AXIAL SKULL (TOWNES METHOD): MSP is ________ to IR.

A

Perpendicular

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

on an AP Axial Skull (Townes) what is touching the IR?

A

Back of head

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

On an AP Axial skull/Townes where do you put the top of the IR?

A

Skull vertex

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

On an AP Axial Skull/Townes where does the CR enter or exit?

A

Enters 2 1/2 inches above glabella aka the hairline of normal pt

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

On an AP axial skull/Townes if using OML then CR angle will be

A

30 degree caudal

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

On an AP Axial Skull/Townes if using an IOML then CR angle will be

A

37 caudal

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

In a AP axial skull/Townes what structures do you see?

A 
⚫️symmetrical petrous ridges
⚫️posterior portion if foramen magnum
⚫️dorsum sellae and posterior clinoid process projected within the foramen magnum 
⚫️occipital bone 
⚫️posterior portion of parietal bones
22
Q

For a trauma AP axial Townes what will the angle be? Direction?

A

40-60 caudal

23
Q

On a SMV (Submentovertical) Schuller Method: IOML ______ with IR

A

Parallel

24
Q

SMV (Submentovertical) Schuller Method: MSP _____ to IR

A

Perpendicular

25
Q

On SMV (Submentovertical) Schuller Method what is touching the IR

A

Top of head

26
Q

On SMV (Submentovertical) Schuller Method where does the CR enter or exit? Need both entrance and exit

A

Enters MSP of throat between angles of mandible

Exits through a point ¾ inch anterior to level of EAM

27
Q

In SMV (Submentovertical) Schuller Method the CR should pass through what structure within the skull?

A

Sella turcia

28
Q

On SMV (Submentovertical) Schuller Method the CR should pass ____ inch anterior the EAM

A

3/4

29
Q

On SMV (Submentovertical) Schuller Method preferably do this with the patient upright or supine?

A

Upright

30
Q

On SMV (Submentovertical) Schuller Method what structures do you see on this image?

A
  • SMV of the cranial base demonstrates symmetrical petrous portions, the mastoid processes
  • Ethmoid and sphenoid sinuses
  • Mandible
  • Nasal Septum
  • Dens
  • Occipital Bone
  • Mandibular condyles anterior to petrous pyramids.
31
Q

lateral skull: can you do this image upright or lying on the table?

A

Seated upright or semi prone

32
Q

If you do a lateral skull on the table what position will the patients body be in?

A

Anterior oblique position

33
Q

Lateral skull: MSP is ____ to the IR when doing a lateral skull.

A

Parallel

34
Q

Lateral skull: the interpupillary line is ____ to the IR when doing a lateral skull.

A

Perpendicular

35
Q

The IOML is ____ to the IR when doing a lateral skull.

A

Parallel

36
Q

On a lateral skull the film is LW or CW for this image?

A

Crosswise

37
Q

A right lateral demonstrates____ side and a left lateral demonstrates____ side.

A
  • right

- left

38
Q

What Is seen in profile on a lateral skull?

A

Sella turcia

39
Q

What is superimposed on the lateral skull?

A 
⚫️greater wings of sphenoid
⚫️orbital rods
⚫️mastoid regions and EAMs
⚫️mandibular condyles 
⚫️TMJS
40
Q

On the lateral skull what is touching the IR?

A

Side of head/ temporAl area

41
Q

On a lateral skull where does the CR enter or exit?

A

Enters 2 inches above EAM

42
Q

What structures do you see on the lateral skull?

A

⚫️sella turcia
⚫️anterior clinoid process
⚫️dorsum sellae
⚫️posterior clinoid process

43
Q

To do a trauma lateral skull what extra piece of equipment will you need?

A

Film holder

44
Q

AP/AP axial skull (not Townes) what is the CR?

A

Axial 15 degree cephalic entering nasion

Ap enters nasion

45
Q

Why do we choose to do a PA or PA axial skull vs AP/Ap axial?

A

The AP is more magnified

46
Q

What does the Haas method show the same as?

A

Townes method

47
Q

What’s the CR of the haas method? Angle, entrance, and exit

A

25 cephalic entering 1 1/2 below EOP

Exiting 1 1/2 inches above nasion

48
Q

In the Haas method the OML is ____ to the IR

A

Perpendicular

49
Q

In the Haas method the MSP is ____ to the IR

A

Perpendicular

50
Q

On the haas method what part touches the IR?

A

Forehead and nose

51
Q

Know the structures shown in the Haas method? This is the same as Townes

A

⚫️occipital region with symmetrical petrous ridges
⚫️dorsum sellae
⚫️posterior clinoid processes within the foramen magnum

52
Q

Why would a technologist choose to do the Haas projection over the the Towne method?

A

It’s used for hypersthenic, obese, or other patients who cannot be adjusted correctly for AP axial

spring 2015 (43 decks)

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