Brainscape's Knowledge GenomeTM

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


See full index

Radio 2 > Advanced Imaging > Flashcards

Advanced Imaging Flashcards

1
Q

Shape of CT beam?

A

fan

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

Houndsfield numbers vary from what to what?

A

-1000 air to 1000 bone

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

CT advantages (3)

A

uniform mag 3 different views additional views can be computed

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

CT disadvantages (4)

A

Limited avail. expensive HIGH dose radiologist required

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

4 uses of CT

A
  1. Trauma 2. neoplasm 3. Chronic infection/inflammation 4. implant treatment planning
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

Cone-beam CT dose compared to normal?

A

lower

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

3 applications of CBCT

A
  1. eval of pathology 2. implant planning 3. 3D reconstruction
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

MRI uses what to form image?

A

magnetic field of hydrogen protons generated from burst of RF signal and subsequent release of energy when electrons un-align

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

T1 weighted vs T2

A

T1 - fat bright T2 - water bright

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

MRI advantages (4) disadvantages (4)

A

Advantages Uniform magnification Lateral, coronal, and axial views available No ioninizing radiation Asses soft tissue not avail by CT like TMJ Disadvantages Limited availability Very Expensive Some patients can not tolerate claustrophobic conditions Radiologist required for acquisition and interpretation

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

Intensifying screen advantage?

A

lower pt dose

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

Standard screen color/material?

A

calcium tungstate - blue

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

Grids used to…

A

remove scatter radiation and improve quality

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

Grids bad b/c

A

increase pt exposure to overcome absorbing materials

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

Lateral cephalogram applications

A

nasopharyngeal soft tissues paranasal sinuses

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

PA Ceph applications

A

symmetry frontal & ethmoid sinuses Nasal fossa, orbit

17
Q

Reverse Towne applications

A

mandibular condyle fractures

18
Q

Caldwell applications

A

Orbit Frontal & ethmoid sinuses Superior orbital fissure Sella turcica

19
Q

Lateral Oblique mandibular projection for…

A

3rd molars and ramus

20
Q

Waters view for…

A

max sinuses nasal cavity orbit

21
Q

Submento vertex projection for…

A

base of skull position and orientation of condyles sphenoid sinus curvaturemandibile zygomatic fracture

22
Q

What projection?

A

Lateral Cephalometric

23
Q

What projection?

24
Q

What Projection?

A

Reverse Towne’s

25
Q

What Projection?

26
Q

What projection?

A

Lateral Oblique mandibular

27
Q

What Projection?

28
Q

What projection?

A

Submento-vertex

29
Q

Label the projections

Radio 2 (5 decks)

Brainscape helps you reach your goals faster, through stronger study habits.
© 2025 Bold Learning Solutions. Terms and Conditions