Analysis of Some Factors Affecting Radiographic Density Flashcards
1
Q
Radiographic film OD
A
0-4 OD (clear to black)
2
Q
Factors affecting OD
A
mAs
kVp
OID
SID
Generator waveform
Part thickness
IR speed
Mass density
Devt time
Collimation
Grid ratio
3
Q
OD can be controlled by two majot factors:
A
mAs and SID
4
Q
Lung Mass Density
A
320
5
Q
Fat Mass Density
A
910
6
Q
Soft tissue, muscle mass density
A
1,000
7
Q
Bone mass density
A
1,850
8
Q
Air mass density
A
1.3
9
Q
Barium mass density
A
3,500
10
Q
Iodine mass density
A
4,930
11
Q
Calcium mass density
A
1,550
12
Q
Concrete mass density
A
2,350
13
Q
Mo mass density
A
10 200
14
Q
Pb mass density
A
11 350
15
Q
Re mass density
A
12 500