X-ray Emission Ch 9

Question 1

A measure of the number of ion pairs

produced in air by a quantity of x-rays

Answer 1

Roentgen

Question 2

the number of x-rays in the

useful beam!

Answer 2

X-ray quantity

Question 3

Beam hardening

Answer 3

Filtration

Question 4

The penetrability of an x-ray beam

Answer 4

X-ray Quality

Question 5

The ability of x-rays to pass through tissue

Answer 5

Penetrability

Question 6

X-ray with high penetrability

Answer 6

High Quality X-rays

Question 7

X-ray with low penetrability

Answer 7

Low Quality X-rays

Question 8

The thickness of absorbing material
necessary to reduce the x-ray intensity to
half of its original value

Answer 8

Half-Value Layer

Question 9

best method for specifying x-ray

quality!

Answer 9

Half-Value Layer

Question 10

The reduction in x-ray intensity that results

from absorption & scattering

Answer 10

Attenuation

Question 11

Types of Filtration

Answer 11

Inherent & Added Filtration

Question 12

Locations: x-ray tube glass/metal enclosure

& window

Answer 12

Inherent Filtration

Question 13

Locations: x-ray tube housing & x-ray beam

collimators

Answer 13

Added Filtration

Question 14

Material inserted between an x-ray source &
a patient to shape the intensity of the x-ray
beam

Answer 14

Compensating Filter

Question 15

It is used for examination of the foot

Answer 15

Wedge Filter

Question 16

Used in chest radiography

Answer 16

A bilateral wedge filter

Question 17

It is used with CT imaging systems to
compensate for the shape of the head or
body

Answer 17

Bow-Tie Filter

Question 18

It is used in digital fluoroscopy

Answer 18

Conic Filter

Question 19

It is used in some special procedures,
usually when long sections of the anatomy
are imaged

Answer 19

Step-Wedge Filter