Image Receptors

... need a medium between the film and the x-ray to intensify the energy, and they use ... exposure

• Screen films, indirect

• Non-screen films, indirect

• Screen films, direct

• Non-screen films, direct

What's the function of A?

• protects the film from backscatter radiation

• reduces patient's exposure

• protects the film from the light

• protects the film from saliva and blood

• the 1st two options are correct

What's the function of B?

• protects the film from backscatter radiation

• reduces patient's exposure

• protects the film from the light

• protects the film from saliva and blood

• non of the above

What's the function of C?

• protects the film from backscatter radiation

• reduces patient's exposure

• protects the film from the light

• protects the film from saliva and blood

• the 1st two options are correct

What's the function of D?

• protects the film from backscatter radiation

• reduces patient's exposure

• protects the film from the light

• protects the film from saliva and blood

• non of the above

The active part of the film is ...

• the base

• the adhesive

• the emulsion

• the supercoat

The emulsion is sensitive to X-rays only

• True

• False

the standard film size is ..., and it's used for ...

• #1, child PA

• #2, adult PA

• #3, child occlusal

• #4, adult occlusal

The amount of radiation required to produce a radiograph of standard density is ...

• film speed

• film density

• amount of exposure

• exposure time

A fast film requires ... radiation because it has ... silver halide crystals

• more, larger

• more, smaller

• less, larger

• less, smaller