Chapter 39 Quiz
__________ hardens the film emulsion during film processing.
Fixing
The extraoral film placed outside the mouth during x-ray exposure is...
Pano
All of the following are true statements about storage plates used with PSP except:
They are disposable.
The correct order of steps in manual film processing is...
develop, rinse, fix, wash.
The category of digital imaging similar to faxes and video equipment that uses a sensor with a cord attached to the computer is...
direct digital radiography.
Clear spots on a processed film can be caused by...
fixer contacts film before processing.
The radiographic image is located within the ____ of the radiographic film.
gelatin the suspends the emulsion
All of the following are true statements about image plates except they:
should be autoclaved.
Which of the following time and temperature errors will result in reticulation of the film emulsion?
sudden temperature changes between developer and water bath
What is the life of the processing solutions affected by?
the number of films processed, time elapsed since the last change and the size of the films processed
Digital radiography requires less radiation than traditional radiography because the:
the sensor is more sensitive to X-ray energy.
Film speed is determined by...
thickness of the silver bromide and size of the silver bromide crystals.
Which size of film is used for children?
0
The most commonly used film size for adult intraoral dentistry is size _______.
2
Which size of film is used infrequently for BWX?
3
Which size of film is used as an occlusal film to diagnose specific conditions?
4
The recommended distance between the safelight and where the films are unwrapped is...
4 feet.
______ speed is the fastest, newest film currently available.
F
When film emulsion interacts with X-rays, the result is...
a latent image.
The device that intensifies or increases the effect of the radiation and decreases the amount of exposure time needed when exposing an extraoral radiograph is...
intensifying screen.
Automatic film processing requires_____than manual film processing does.
less equipment
Solutions should have been changed in the processor 1 week ago. Continuing to use exhausted developer will result in _____ films.
light
An extraoral dental X-ray film is...
more sensitive to light.
When loading the film into the cassette before exposure (in extraoral radiography), the ...
procedure must be done in the darkroom.
The purpose of the lead foil in the dental film packet is to...
reduce film fogging.
