chapter 8 Flashcards
1
Q
soft x-rays
A
x-ray that has low penetrability and therefore low quality
2
Q
hard x-rays
A
x-ray that has high penetrability and therefore high quality
3
Q
HVL
- what does it stand for
- definition
A
- high-value layer
- thickness of absorber necessary to reduce an x-ray beam to half its original intensity
4
Q
inherent filtration
- definition
- ex
A
filtration due to glass or metal that cannot be removed
-window of x-ray tube
5
Q
added filtration
- definition
- example
A
additional filtration added which increases HVL
-thin sheet of aluminum
6
Q
compensating filter
- definition
- ex
A
material inserted between an x-ray source and a patient to shape the intensity of the x-ray beam
-trough or wedge filter
