FINAL(LY)

Question 1

The sheet of lead in a cassette serves what purpose?

Answer 1

prevent backscatter

Question 2

Using an extremity cassette (aka detail screen) causes what to happen to your patient?

Answer 2

increases exposure

Question 3

If your cassette was incompletely closed, what would you film probably look like?

Answer 3

black strip on the edge

Question 4

When a film is exposed an invisible image exists called?

Answer 4

latent image

Question 5

What are the combinations of screen light and film color work best?

Answer 5

green (calcium tungstate screens) with blue light emissions (GB) and purple film (rare earth screens) with green or blue light (PGB)

Question 6

How often should you clean intensifying screens?

Answer 6

every three months

Question 7

About how many 14”x17” films should be run through an automatic processor in a week to make it worth your money?

Answer 7

20-25 times

Question 8

How would your processed film appear if you decreased the recommended developing time and maintained the recommended temperature?

Answer 8

it would be too light

Question 9

What is the recommended temperature for manual processing?

Answer 9

68 degrees

Question 10

Sensiometry is used for what?

Answer 10

consistency of brightness of light to expose a film

Question 11

Sensiosemetry and densitosemetry are both used for what?

Answer 11

monitor processor function

Question 12

In which phase of processing does a latent image become a manifest image?

Answer 12

developing

Question 13

A high-intensity lamp is usually used for what purpose?

Answer 13

for seeing overexposed areas

Question 14

What is the proper arrangement of the five subject densities seen on radiograph from most to least dense?

Answer 14

Heavy metal, metal, water, oil, and air

Question 15

Why are renal shadows often seen on an A-P lumbar film?

Answer 15

due to contrasts between oil and water densities

Question 16

The thickness of lead that is needed for primary and secondary protective barriers for an x-ray facility are?

Answer 16

1/16 and 1/32 inches, respectively

Question 17

Where should your exposure switch be located?

Answer 17

inside the booth

Question 18

If a patient needs to be held down during an x-ray, who should be asked to do so?

Answer 18

***this is what i think, don’t take my word for it…an office assistant if they are not pregnant, shield them

Question 19

A prominent graininess of the film is called?

Answer 19

quantum mottle

Question 20

Kink marks occur on a film from what?

Answer 20

kinks or crimping the film

Question 21

What would make the phosphor layer of the screen faster?

Answer 21

thicker composition

Question 22

Which type of film will create a radiographic image with the greatest amount of detail?

Answer 22

single emulsion

Question 23

What color is recommended for your dark room walls?

Answer 23

red

Question 24

A 1200 screen speed will produce what type of image?

Answer 24

grainy (100:par speed)

Question 25

What is the name for the usual test for film screen contact?

Answer 25

wire mesh test

Question 26

With gradient screens, what is true for lumbar spine films?

Answer 26

has the fastest speed in this section

Question 27

Which fluid requires replacements most often in manual processing?

Answer 27

developer

Question 28

In which step of manual processing does the kissing artifact occur?

Answer 28

developing

Question 29

Which structure usually appears most dense on an X-ray?

Answer 29

liver

Question 30

A contrast between patient densities of water and air would explain why you can see what structure on a film?

Answer 30

urinary bladder

Question 31

Occupation dose limits should not exceed how many rems of the whole body per year?

Answer 31

5 rams/year

Question 32

Quantum mottle can be cause by too few photons and?

Answer 32

too high of kV and too low of mAs

Question 33

If the temperature is too high in the dryer part an automatic processor, what would most likely occur?

Answer 33

the films would probably have water spots

Question 34

How often should you change developer?

Answer 34

every 4 weeks

Question 35

What color is old developer? new?

Answer 35

brown and clear

Question 36

Fixer is an acid solution also called?

Answer 36

clearing agent

Question 37

Where would you place the mesh for a wire mesh test?

Answer 37

on the cassette

Question 38

1/16 inch lead is equivalent to how many inches of concrete?

Answer 38

four

Question 39

Unprocessed rare earth films usually have what color?

Answer 39

purple

Question 40

What is the recommend intensifying screen for use in a chiropractic office?

Answer 40

rare earth

Question 41

What contains silver halide crystals?

Answer 41

film emulsion

Question 42

How will dirt on an intensifying screen appear on the film?

Answer 42

white specks

Question 43

Why should bad films that have been taken not be destroyed?

Answer 43

they can be sold for silver

Question 44

Where would an oil density normally be found on an x-ray?

Answer 44

surround organs and muscles

Question 45

A film badge is associated with?

Answer 45

dosimeter

Question 46

If you saw the support back or hinges imaged on a film, what would you suspect happened?

Answer 46

cassette was loaded backwards

Question 47

Which governmental agency demands the removal of silver from processing fluid before disposal?

Answer 47

EPA

Question 48

Black branching streaks randomly placed on the film are usually due to what?

Answer 48

cracks in the screen

Question 49

Which type of film is preferred in a chiropractic office?

Answer 49

double emulsion

Question 50

Which speed is preferred in general spinal radiography with a rare earth substance?

Answer 50

400