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 a(n):

Question

Quizplus · Accepted Answer

An intensifying screen is a device that intensifies or increases the effect of the radiation and thus decreases the amount of exposure time needed for an extraoral radiograph.The intensifying screen sandwiches the film inside the cassette and can be a blue or green screen.
A screen film is sensitive to light emitted from the intensifying screen.Using screen film and an intensifying screen will reduce the amount of radiation to the patient.
The film cassette holds the intensifying screen and the film.
Nonscreen film does not use an intensifying screen and requires more radiation.

The Device That Intensifies or Increases the Effect of the Radiation