chapter 8

Question 1

soft x-rays

Answer 1

x-ray that has low penetrability and therefore low quality

Question 2

hard x-rays

Answer 2

x-ray that has high penetrability and therefore high quality

Question 3

HVL

• what does it stand for
• definition

Answer 3

• high-value layer

- thickness of absorber necessary to reduce an x-ray beam to half its original intensity

Question 4

inherent filtration

• definition
• ex

Answer 4

filtration due to glass or metal that cannot be removed

-window of x-ray tube

Question 5

added filtration

• definition
• example

Answer 5

additional filtration added which increases HVL

-thin sheet of aluminum

Question 6

compensating filter

• definition
• ex

Answer 6

material inserted between an x-ray source and a patient to shape the intensity of the x-ray beam
-trough or wedge filter