Quiz Flashcards
1
Q
Exposure Linearity
A
The ability of a radiographic system to produce a constant radiation output for multiple combinations of mA and exposure time.
2
Q
Exposure Reproducibility
A
Exposing the same technique 5-10 times and measuring the radiation output from each exposure.
3
Q
Tolerance for radiation detector sensitivity
A
+ or - 10%
4
Q
Tolerance for exposure reproducibility
A
+ or - 0.1
5
Q
Exposure time tolerance
A
+ or - 5%
6
Q
Tolerance for kVp during QC test (mammo and radiography)
A
+ or - 1kVp
7
Q
Focal spot size tolerance
A
40-50%
8
Q
Standards for collimation
A
+ or -2%
9
Q
Required filtration for tubes operating at 70 kVP or higher
A
2.5mm Al equiv
