Film Processing Part 1

Question 1

Most modern medical imaging departments use ———- and most of these are ———–

Answer 1

• automatic processors
• daylight processors

Question 2

Basic Components of a darkroom (4)

Answer 2

1. An automatic processor
2. Workbench
3. A film bin
4. Storage shelves

Question 3

Only 1 side is located inside the darkroom

Answer 3

Automatic processor

Question 4

where the cassettes are placed for unloading and loading film

Answer 4

Workbench

Question 5

Top surface of a workbench should be made of a ——–, ——–

Answer 5

durable, static-resistant material

Question 6

is used to store films that have been removed from their lighttight boxes in which are shipped

They are placed in the bin so they can be easily accessed to re-load emptied cassettes

Answer 6

Film bin

Question 7

The film bin contains ———- that vary in depth and hold ——- of radiographic film

Answer 7

1. individual slots
2. various sizes

Question 8

commonly located either under the workbench. These shelves are used to store boxes of radiographic films

Answer 8

Storage shelves

Question 9

2 types of lights in Darkrooms

Answer 9

White lights and Safelights

Question 10

2 types of lights in Darkrooms

Answer 10

White lights and Safelights

Question 11

are used for equipment repair and darkroom cleaning

Answer 11

White Lights

Question 12

are used during film processing to provide enough illumination for personnel to see but protect the film that has been removed from the cassettes and film bin from light fog

Answer 12

Safelights

Question 13

Safelights use either a —— or a ——— recessed within a ——— fixture

Answer 13

1. 7.5-watt or 15-watt incandescent bulb
2. metallic light fixture

Question 14

is attached to the front of the light fixture to prevent white light from reaching the film

Answer 14

A special colored filter

Question 15

what is the most commonly used radiographic film ? and sensitive to all colors except ?

Answer 15

orthochromatic , red

Question 16

what is the safelight filter commonly used in coventional radiographic darkrooms?

Answer 16

GBX-2 filter

Question 17

This increased sensitivity to safelight illumination is called?

Answer 17

Latensification

Question 18

Fogging of film by safelight illumination after it has been radiographically exposed and appears as an undesirable supplemental blanket of density on the processed radiographic image

Answer 18

post-exposure fog

Question 19

Safelights are commonly mounted in the darkroom either on the ——- or directly over the ——- of the automatic processor

Answer 19

ceiling or directly over the film feed tray of the automatic processor

Question 20

The safelight should be mounted at least ——- from the feed tray or work bench when a 7.5-watt bulb is used

Answer 20

3 feet

Question 21

——— for a 15-watt bulb from the feed tray or work bench to avoid fogging the film

Answer 21

4 feet

Question 22

used to protect the film from x-rays are inefficient toward stopping the highly penetrating gamma radiation emitted by radioactive pharmaceuticals

Answer 22

Lead-lined walls

Question 23

optimal temperature for unused film

Answer 23

50-70° F

Question 24

optimal relative humidity range for unused film

Answer 24

40-60° F

Question 25

are stored either inside or outside the darkroom and used are to replenish the processing chemicals in the automatic processor

Answer 25

Processing chemicals

Question 26

Chemicals can be either be stored in large round plastic tanks

Answer 26

replenishment tanks

Question 27

designed to reclaim silver from processor's fixer tank located in the vicinity of the replenishment tanks

Answer 27

Silver recovery unit

Question 28

similar to most room doors, A manual locking knob or latch prevents personnel outside of the darkroom

Answer 28

Single-hinged door

Question 29

similar to most room doors, A manual locking knob or latch prevents personnel outside of the darkroom

Answer 29

Single-hinged door

Question 30

similar to most room doors, A manual locking knob or latch prevents personnel outside of the darkroom

Answer 30

Single-hinged door

Question 31

offers much more protection than single-door entrance, as either door is opened, microswitch signals a locking mechanism on the other door

Answer 31

A double-door entrance

Question 32

makes up approximately 3/4 of the circle. It is bordered by, and glides within, two 360-degree tracks; one attached to the ceiling and one attached to the floor

Answer 32

Sliding curved revolving door

Question 33

does not use a door at all. Instead, there is a minimum of 2 hallways that run parallel to each other

Answer 33

maze-type entrance

Question 34

allows persons to enter and exit the darkroom with no risk of film fogging, but requires a large area for its layout

Answer 34

maze-type entrance

Question 35

wall-mounted, strategically placed between the radiographic rooms and the darkroom or between the viewing area and the darkroom

Answer 35

Passbox

Question 36

After radiographic films are processed they are hung on a -----

Answer 36

viewbox

Question 37

base of radiographic film provides the rigidity needed to facilitate the insertion of the film into these tension clamps

Answer 37

polyester base

Question 38

Viewboxes contain multiple ---------

Answer 38

fluorescent bulbs

Question 39

What is the exterior and interior surfaces of a viewbox's material

Answer 39

Plexiglas

Question 40

device used to measure light intensity

Answer 40

light meter/photometer

Question 41

light intensity units are called

Answer 41

lux or foot-candles

Question 42

A typical radiographic film viewbox should have a minimum luminance

Answer 42

5382 lux or 500 foot-candles

Question 43

special lights used by radiologists to evaluate radiographic images that are either grossly overexposed or to evaluate a specific area of the anatomical image that is overexposed relative to surrounding areas

Answer 43

hotlights

Question 44

to deposit enough black metallic silver at the latent image sites in film to permit a permanent visible image to form

Answer 44

The primary purpose of radiographic processing

Question 45

is the most sensitive and variable factor in the production of a radiograph

Answer 45

Film processing

Question 46

Processing of a radiograph involves four primary steps

Answer 46

* developing, fixing * washing and drying (two archiving steps)

Question 47

Are accomplished in solutions that combine numerous chemicals

Answer 47

Developing and fixing

Question 48

involves a two-step process of washing and drying the radiograph for use as a medical record

Answer 48

Archiving

Question 49

involves a two-step process of washing and drying the radiograph for use as a medical record

Answer 49

Archiving