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chapter 9
| Question | Answer |
|---|---|
| The first step in manual film processing is: | development |
| In manual film processing, the rinsing step is necessary because it: | removes the developer from the film and stops the development process |
| The film emulsion is hardened during: | fixing |
| The hydroquinone in the developer brings out the black tones, whereas the Elon in the developer brings out the gray tones on a dental radiograph: | black; gray |
| In manual film processing, the optimal temperature for the developer solution is: | 68° F |
| The size of a darkroom is determined by all the following factors except: | humidity level of the room |
| Any leaks of white light into the darkroom will cause: | film fogging |
| The safelight must be placed a minimum of how many feet from the film and the work area? | 4 |
| A universal safelight filter such as the GBX-2 by Carestream Health is recommended for: | intraoral and extraoral films |
| Unopened boxes of radiographic film should not be stored in the darkroom because: | chemical fumes from processing solutions may fog the film |
| The thermometer for manual processing should be placed in the: | developer solution |
| At 68° F, the optimal development time in minutes for manual film processing is: | 5 |