How can we help?

You can also find more resources in our Help Center.

25 terms

intro to radiology,cassettes screens and films

STUDY
PLAY
who will choose body part to radiographed and diagnose
vet
who determines quality of xray
aht
what is the first step in setting up for a radiograph
measure part to xray
what is the 2nd step in setting up for xray
select right settings
what is the 3rd step to setting up for xray
select right cassette size
what must you label every radiograph with
r,l
when developing what should you include on the radiogrph
label of patient info
what is the front of cassette made from
aluminum
what is the back of a cassette lind with
lead
what is the purpose of having a lead lined back to a cassette
prevent scatter
what are the 3 sizes of cassettes
8x10,10x12,14x17
what convert xray energy to light energy
phosphor crystals
wha tis the most common phosphor crystal
calcium tungstate
about what % of the exposure of the film is the light from the screens
95
so about what % of the radiograph is actually exposed xrays
5
how many light photons will each xray photon cause the screen to emit
1000
____ of the screen refers to how much light energy is emitted from the crystal when it is struck by xrays
speed
what kind of crystals emit more light so are faster
large
if a screen is using small crystals it is slower so they have
better detail
how often should you clean a screen
monthly
what may happan if you dont clean a cassette
artifacts
what is the first layers of a film,which is the outter layer
protective gelatin
what is the second layer in a film
silver halide/bromide crystal
how should a film be stored
on end
what kind of environment should a film be stored
dark,cool