chapter 39 multiple choice
how should x-ray film be stored?
away from light.
describe a basic type of image receptor.
bite-block with a backing plate and a slot for film-sensor retention.
how often should processing solution be replenished?
daily.
name a component of an intraoral film.
film emulsion.
describe the types of extraoral film cassettes.
flexible and rigid.
what converts x-ray energy into visible light?
intensifying screen.
how does a film holder protect the patient from unnecessary radiation?
it keeps the patient's hands and fingers from being exposed to x-radiation.
what is the major advantage of automatic film processing?
it saves time.
the image on the film before it is processed is the _____.
latent image.
are manual processing solutions and automatic processing solutions interchangeable?
no.
where is the expiration date on a package of x-ray film?
outside the box.
indirect digital imaging involves the use of:
phosphor storage plate (PSP)
which side of the film faces toward the tube?
plain side.
what is the second step involved in manually processing dental radiographs?
rinsing.
what low-intensity light is composed of long wave-lengths in the red-orange spectrum?
safelight.
when would you need to duplicate a radiograph?
to send to an insurance company and to refer a patient to a specialist.
what size film is used for posterior periapical radiographs?
2.
what is the minimum distance between a safelight and the working area?
4 feet.
what size film is used for occlusal radiographs?
4.
what is the optimum temperature for the water in the manual processing tanks?
68 degrees fahrenheit.