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WorksheetsImage Receptors
Total questions: 19
Worksheet time: 10mins
... 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
The larger the crystals, the faster the film speed
True
False
The ... speed is the newest and fastest film on the market
A
E
D
F
The intensifying screen is coated with a material called ...
molybdenum
tungsten
silver
phosphor
An intensifying screen decreases the amount of exposure time needed.
True
False
Which of the following is an indirect digital receptor?
CCD
CMOS
PSP
conventional film
CCDs can be sterilized
True
False
... claim a 25% greater resolution than ...
PSP - CCD
CCD - CMOS
CMOS - CCD
CCD - PSP
CCD pixels transmit their electrical charge separately to the cable
True
False
Which of the following digital receptors has no wires?
CCD
CMOS
PSP
conventional film
