Shared Flashcard Set

Details

Image Receptors
N/A
14
Veterinary Medicine
Undergraduate 2
07/08/2013

Additional Veterinary Medicine Flashcards

 


 

Cards

Term

X-Ray Film 

 

 

Definition

Used to record images 

 

Base

 

Emulsion

 

Protective coat

Term
X-Ray Base
Definition

Strong

 

Flexable

 

Translucent

Term
Emulsion
Definition

Light sensitivie portion of x-ray

 

Silver halide  

Term
Protective Coat
Definition
Prevents tearing and scratching
Term
Latent Image
Definition

Image formed by interaction with the silver halide and x-rays 

 

Produced by invisible changes when film is exposed to radiation

 

Cannot be seen by ordinary methods

 

Must be treated with chemicals  

Term
Types of Film
Definition

Screen type - blue and green sensitive, less exposure 

 

Non-screen type - dental, no casette/screen, greater exposure and detail 

Term
Film Speed
Definition
Determined from the exposure required to produce a film with adequate density
Term
Fast Film
Definition

Has larger silver halide crystals

 

Requires less exposure by x-rays 

 

Produces a grainer image that lacks definition

 

Less latitude 

Term
Medium Film
Definition

Most widely used in veterinary radiology

 

Compromise between fine grain and speed 

 

Medium latitude 

Term
Slow Film
Definition

Has smaller silver halide crystals

 

Requires greater exposure

 

Produces an image that is less grainy and has greater definition

 

Greater lattitude 

Term
Care or X-ray Film
Definition

Store upright at room temp

 

Low humidity

 

Do not store by chemicals, water, or radiation

 

Do not kink

 

Do not remove rapidly from container 

Term
X-ray Cassettes
Definition

Holds film

 

Houses intensifying screen

 

Keeps film close to intensifying screen

 

Excludes light

 

Term
Intensifying Screens
Definition

Base

 

Emulsion - has phosphors that luminesce

 

Must have high level of x-ray absorption

 

Must have high x-ray to light conversion

 

Must have little or no afterglow 

Term
Screen Cleaner
Definition

Anti static

 

Dont wipe hard 

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