The Intensifying Screen // Part 2

Question 1

it is the capacity of the screen to produce visible light

Answer 1

screen speed

Question 2

high screen speed = high ______ = high _____ = ___ quality

Answer 2

high screen speed = high light emission = high density = low quality

Question 3

5 factors of intensifying screeen

Answer 3

type of phosphor used
thickness of phosphor
crystal size
reflective layer
absorbing layer and dye in phosphor

Question 4

high thickness =high screen ___ = high ____ ____ = low recorded detail

Answer 4

high thickness = high screen speed = high quantum mottle = low recorded detail

Question 5

high light emission = high density = low ___ = ___ patient dose

Answer 5

high light emission = high density = low mAs = low patient dose

Question 6

crystal size is same with ____

Answer 6

thickness

Question 7

reflective layer

use = 2x screen speed = high ____ ____ = ___ recorded detail

Answer 7

reflective layer

use = 2x screen speed = high quantum mottle = low recorded detail

Question 8

it is the capability of the screen to produce light upon xray absorption

Answer 8

screen speed

Question 9

it is the capability of the film to absorb light

Answer 9

film speed

Question 10

standard intensification factor ___ to ___

Answer 10

standard intensification factor 30 to 50

Question 11

it is the intensifying action of the screen

Answer 11

intensification factor

Question 12

it is the most common method of designating screen speed

Answer 12

relative speed value

Question 13

it is the ability of the screen to produce light and density

Answer 13

relative speed value

Question 14

25

Answer 14

ultra detail

Question 15

50

Answer 15

slow
high resolution
detailed

Question 16

100

Answer 16

standard
medium
par

Question 17

200

Answer 17

fast
high speed

Question 18

300

Answer 18

ultrafast
hi-plus

Question 19

1200

Answer 19

rare earth

Question 20

calcium tungstate slow - detail

Answer 20

30 to 50

Question 21

calcium tungstate medium - par

Answer 21

100

Question 22

calcium tungstate high - speed

Answer 22

200

Question 23

rare earth slow - detail

Answer 23

100

Question 24

rare earth medium

Answer 24

300 to 500

Question 25

rare earth fast

Answer 25

800 to 1200

Question 26

it is the test for screen film contact

Answer 26

wire mesh test

Question 27

wire mesh test must be:

Answer 27

150 kV
100 mA
50 ms
36 SID

Question 28

poor screen film contact will result in a ___ _ ____ _____

Answer 28

poor screen film contact will result in a loss of recorded detail

Question 29

the screen and the intensifying screen must be in complete contact across the entire surface to achieve the maximum image sharpness

Answer 29

screen film contact

Question 30

transitory poor screen film contact, more obvious in the serial changing film cassette, a curved back or curved front cassette will prevent ____ ______

Answer 30

air trapping

Question 31

___ must be taken to avoid abrasions or scratches on the surface while loading the screen with film

Answer 31

care must be taken to avoid abrasions or scratches on the surface while loading the screen with film

Question 32

regular ____ _______ must be made to reveal any dirt or specks

Answer 32

regular visual examinations must be made to reveal any dirt or specks

Question 33

UV light -

Answer 33

uv light - to identify stain