Radiographic Errors

Question 1

____ cassettes are grey/yellow with rubber edges and are nonrepairable

Answer 1

Kodak

Question 2

____ cassettes are orange/black and typically do not have good screen contact

Answer 2

Agfa

Question 3

Density of the film should be ___ O.D.

Answer 3

1.0

Question 4

If poor screen contact is an issue, the resulting film demonstrates areas of _____

Answer 4

unsharpness

Question 5

Screen contacts should be erased when?

Answer 5

Once a month

Question 6

What should be used to clean screens?

Answer 6

Distilled water, using gauze to dry (stand upright and open)

Question 7

___ amount of film fog obscure the resolution

Answer 7

Low

Question 8

_____ amount of film fog obscures the entire image

Answer 8

High

Question 9

If the image is reversed, film fog is very ____

Answer 9

High

Question 10

What may cause severe film fog?

Answer 10

Incorrect safelight, safelight too bright, cracks or light leaks, leaks around darkroom door

Question 11

80% of all artifacts are caused by _____

Answer 11

processing

Question 12

When should the developer be changed?

Answer 12

When the films lose contrast, when the chemistry becomes coffee colored

Question 13

If chemistry is contaminated, ____ will “die” immediately

Answer 13

Hydroquinone

Question 14

Clears away the unexposed emulsion and fixes the image on the film

Answer 14

Fixers

Question 15

Clearing time should be ____ of fixing time

Answer 15

1/2

Question 16

_____ _____ _____ sinks to the bottom of the tank and the nonhardened emulsion will slip off the film

Answer 16

Environmentally Friendly Hardener

Question 17

When do you change fixer?

Answer 17

Every second chemical change

Question 18

Processor vs XRay Artifact Test

If the artifacts stay in the same orientation they are caused by the ______

Answer 18

Processor