final review

Question 1

SI equivalent of RAD

Answer 1

Gray

Question 2

bucky factor/grid conversion factor for a grid ratio of 8:1 is

Answer 2

4

Question 3

SI equivalent for REM

Answer 3

Sievert

Question 4

number of lead lines per unit length is the

Answer 4

grid frequency

Question 5

these types of grids allow more transmitted photons to reach the IR

Answer 5

focused grid

Question 6

when using the air-gap technique, the ____ must also be increased

Answer 6

SID

Question 7

this increases brightness in fluoroscopy

Answer 7

image intensifier

Question 8

back up time for AEX exposure should be set to _____________

Answer 8

150-200% of expected exposure time

Question 9

all of the following are additive diseases except:

CHF
Bowel obstruction
Abscess
Edema

Answer 9

bowel obstruction

Question 10

the pixel bit depth determines image _______________

Answer 10

contrast resolution

Question 11

if the AEC detector is directly exposed to the primary beam during exposure, the IR exposure will be

Answer 11

insufficient

Question 12

a technique chart should be established for

Answer 12

each radiographic tube