Chapter 11 Key Terms

Question 1

Added filtration

Answer 1

any filtration that occurs outside the tube and housing before the image receptor

Question 2

Compensating filter

Answer 2

used to even out unequal densities

Question 3

Compound filter (K-edge filter)

Answer 3

the use of two or more materials to complement one another in their absorbing abilities

Question 4

Filter

Answer 4

any material designed to effectively absorb photons from the x-ray beam

Question 5

Half-value layer (HVL)

Answer 5

the amount of absorbing material that will reduce the intensity of the primary beam to one-half its original value

Question 6

Inherent filtration

Answer 6

results from the composition of the tube and housing

Question 7

K-edge filter

Answer 7

the use of two or more materials to complement one another in their absorbing abilities; also known as compound filters

Question 8

Thoraeus filter

Answer 8

a type of compound filter consisting of tin, copper, aluminum, in that order, typically used in radiation therapy

Question 9

Total filtration

Answer 9

the sum of inherent and added filtration

Question 10

Trough filter

Answer 10

a type of compensating filter used to even out densities such as in the mediastinum

Question 11

Wedge filter

Answer 11

a type of compensating filter used to even out densities such as in the foot or lower extremities