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Category 4
Category 5
100
Where is the radiographic landmark "incisive foramen" located?
What is Maxillary Anterior
100
This helps prevent increased exposure of tissue to radiation
What is lead foil in the x-ray film packet
100
When taking x-rays, to reduce cross contamination, the assistant should put the exposed x-rays where
What is disposable cup
100
In extraoral radiography the intensifying screen is used to reduce the
What is exposure time
100
A film with a herringbone pattern is the result of
What is film packet reversal
200
A film accidentally exposed to white light between developing and fixing will appear
What is dark
200
The film holding device protects the patient from what
What is increased number of retakes
200
Lead aprons should be inspected annually for what
What is presence of cracks
200
ON an panoramic film the teeth appear skinny if the teeth are positioned where on the bite block
What is too far forward
200
This is impervious to the penetration of x-rays
What is lead
300
The purpose of the lead collimator in the dental x-ray tube
What is retards/restricts the size of the x-ray beam
300
This causes foreshortening on a dental radiograph
What is too much vertical angulation
300
This is the maximum permissible dose of radiation allowed for a pregnant occupationally exposed worker
What is .001 Sv
300
The image stored on the film prior to film processing
What is latent image
300
The ideal temperature of the developing solutions
What is 68 degrees
400
The x-rays that are most likely to be absorbed by the skin
What are long wavelength
400
The major advantage of fast speed film
What is reduces radiation to patient
400
THe "XCP" film holding device is used primarily with what technique
What is PARALLELING
400
Using faster film requires
What is shorter exposure time
400
On a panoramic film the teeth will appear fat if the teeth are too far what on the biteblock
What is too far back
500
The cell type is the most sensitive to carcinogenis following prolonged exposure to ionizing radiation
What is blood
500
This term means that the damage from radiation is never completly repaired
What is cumulative effect
500
Which technique requires greater extremes in positive and negative angulation
What is Bisecting Angle Technique
500
The purpose of fixing dental radiographic films is to
What is remove silver salts that have not been exposed to the x-ray
500
The lingual foramen and genial tubercles should be observed in which radiograph
What is mandibular central incisor
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