protective layer
The component of an x-ray film described as “a thin transparent coating that is placed over the emulsion” is termed:
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Intraoral
Dental x-ray film that is placed inside the mouth and used to examine the teeth and supporting structures is termed:
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Size 4
Which is the largest intraoral film size?
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False
True or False:
Nonscreen extraoral film is commonly used in extra-oral radiography: |
A loss of image sharpness occurs
Which results if the intensifying screen is not in perfect contact with the screen film?
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film base
The component of the x-ray film, described as “a flexible piece of plastic that withstands heat, moisture, and chemical heat: is termed:
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The film requires less radiation exposure to make an image
One advantage of a film with emulsion coating on both sides is that:
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Speed
The film characteristic that is “the amount of radiation needed to produce a radiograph of standard density: is:
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Intensifying Screen
The device that transfers x-ray energy into visible light is termed:
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False
True or False:
Dulplicating film may be placed intraorally or extraorally. |
silver halide crystals
The chemical compounds that change when exposed to radiation or light are termed:
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Protect the film from backscatter radiation
The purpose of a lead foil sheet in the film packet is to:
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The larger the crystals, the faster the film speed
The speed of a film is determined by the size of silver halide crystals in the emulsion. Identify the true statement:
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Rare Earth
The intensifying screen that emits green light and must be used with green-sensitive film is termed:
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50 - 70 degrees
30% to 50%
Identify the ideal temperature and humidity labels for film storage.
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latent image
The invisible pattern of stored energy on the exposed film is termed:
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Expiration date
Which is not found on the label side of the film packet?
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Extraoral
A film that is placed outside the mouth during x-ray exposure is termed:
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Cassette
The device used to hold the extraoral film and intensifying screens is termed a:
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Size 2
Which film size is known as the standard film?
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True
True or False:
A screen film is more sensitive to fluorescent light than to direct exposure to x-rays. |
True
True or False:
Cassettes are available in sizes that correspond to film and screen sizes |
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