Radiographic Quality Flashcards
1
Q
Two exposure variables of radiographic density
A
- mAs influences number of x- rays
- kVp influences penetration
2
Q
What is water density
A
Soft tissues
3
Q
5 basic radiographic densities (most dense to lease)
A
- Air (black)
- Fat
- Water
- Bone
- Metal (white)
4
Q
More object density =
A
More absorption (white)
5
Q
What is contrast
A
Film density difference between adjacent structures (or tissue density difference)
6
Q
High contrast has what scale length
A
Short scale (black and white)
7
Q
Low contrast has what scale length
A
Long scale (gray)
8
Q
Is bone high or low contrast
A
High
9
Q
Does soft tissue have high or low contrast
A
Low
10
Q
The more density and thickness differences in your subjects tissues, the more ________ you will have
A
Contrast