Chapter 8

Question 1

Reduction in the energy or number of photons in the primary beam is known as

Answer 1

attenuation

Question 2

Two distinct processes that occur during beam attenuation

Answer 2

absorption and scattering

Question 3

if the incoming x ray photon passes through the anatomical part without any interaction with the atomic structures

Answer 3

transmission

Question 4

what affects attenuation

Answer 4

thickness of part
tissue atomic number
tissue density
energy of x ray beam

Question 5

matter per volume unit

Answer 5

density

Question 6

atomic number of fat

Answer 6

6.3

Question 7

atomic number of muscle

Answer 7

7.4

Question 8

atomic number of bone

Answer 8

13.8

Question 9

penetrating ability

Answer 9

quality

Question 10

when the beam leaves the patient

Answer 10

exit radiation or remnant

Question 11

less than _____ of the primary beam interaracting with the anatomical part reaches the image receptor

Answer 11

5%

Question 12

the exit radiating keaving the patient interacts with the image receptor to create the

Answer 12

latent image

Question 13

is the latent image visible

Answer 13

no

Question 14

is the manifest image visible

Answer 14

yes

Question 15

range of exposure intensities an image receptor can accurately detect

Answer 15

dynamic range

Question 16

picture elements aka

Answer 16

pixels

Question 17

combination of rows and columns

Answer 17

matrix

Question 18

digital image quality is improved with a

Answer 18

large matrix size that includes a greater number of smaller pixels

Question 19

number of bits

Answer 19

bit depth

Question 20

a larger bit depth allows

Answer 20

greater number of shades to gray to be displayed on computer