Reading...
Play button
Play button
Use LEFT and RIGHT arrow keys to navigate between flashcards;
Use UP and DOWN arrow keys to flip the card;
H to show hint;
A reads text to speech;
8 Cards in this Set
- Front
- Back
|
describe an xray cassette
|
rigid, lightproof film holder designed to hold the film & intensifying screens in close contact
|
|
|
intensifying screens convert x-ray radiation into ____ ____ which produces a ____ ____ onto the film
|
visible light, latent image
|
|
|
a cassette should be cleaned with ____ & ____
|
mild soap & water
|
|
|
3 properties that determine the efficiency of a screen
|
1- must have high level of xray absorption
2- must have high xray-to-light conversion 3- there must be little/no afterglow once radiation has ceased |
|
|
intensifying screens are sheets of ____ ____ _____
|
luminescent phosphor crystals
|
|
|
you can use ____ mAs settings when intensifying screens are used
|
lower
|
|
|
when the phospor crystals are struck by xradiation, the crystals ____
|
flouresce
|
|
|
the 4 layers of an intensifying screen
|
1- base
2- reflective 3- phosphor crystal 4- protective |
