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LO1 Quizziz

Total questions: 29

Worksheet time: 15mins

Name
Class
Date
1.

True or False: Radiographic density refers to the overall blackening of the film.

a)

True

b)

False

2.

True or False: Before the introduction of digital radiography, single emulsion films were often used for mammography.

a)

True

b)

False

3.

Which type of fog increases image contrast?

a)

Light Fog

b)

Age Fog

c)

Safelight Fog

d)

Radiation Fog

e)

None of the Above

4.

Which film is most sensitive to handling?

a)

Unexposed & Unprocessed

b)

Exposed & Unprocessed

c)

Exposed & Processed

d)

None, they all have the same sensitivity.

5.

A thin emulsion layer will result in:

a)

Higher resolution

b)

Faster speed

c)

Lower resolution

6.

Which artifact will occur if the humidity is too low in the darkroom?

a)

static

b)

crescent marks

c)

condensation

d)

reticulation

7.

If a white crescent/crinkle artifact is present on a film, when did this artifact occur?

a)

before exposure, before processing

b)

after exposure, before processing

c)

after exposure, after processing

8.

True or False: The three types of static are called: tree, crown and smudge static.

a)

True

b)

False

9.

Which film layer contains silver halide crystals suspended in gelatin?

a)

Base

b)

Emulsion

c)

Adhesive

d)

Supercoat

10.

Which of the following is not a consideration for handling and storage of an unexposed film?

a)

temperature of 20 degrees Celsius or lower

b)

no exposure to light

c)

no exposure to ultrasound

d)

no exposure to radiation

11.

Which type of image is also known as the manifest image?

a)

gurney-mott image

b)

visible image

c)

halide image

d)

latent image

12.

True or False: Fog lowers image contrast.

a)

True

b)

False

13.

Small silver halide crystals will result in:

a)

slower speed

b)

decreased patient dose

c)

lower resolution

d)

faster speed

14.

If a film has a slower speed how will this impact patient dose?

a)

increase to patient dose

b)

decrease to patient dose

c)

no effect to patient dose

15.

True or False: Low contrast films have a short range of greys in the image.

a)

True

b)

False

16.

What are the 4 film manufacturing steps in order?

a)

ripening > crystal production > mixing > coating

b)

crystal production, ripening, coating, mixing

c)

ripening > crystal production > coating > mixing

d)

crystal production > ripening > mixing > coating

17.

True or False: Latitude is indirectly proportional to radiographic density.

a)

True

b)

False

18.

When does age fog occur?

a)

during film storage

b)

during film processing/ handling

c)

during film exposure/handling

19.

Which layer is specific to double emulsion film and is not a layer found in single emulsion film?

a)

Emulsion layer

b)

Anti-halation layer

c)

Adhesive layer

d)

Anti-crossover layer

20.

Which term also refers to indirect exposure?

a)

non-screen film

b)

screen film

c)

direct exposure

d)

complete exposure

21.

True or False: The base layer in film is made from polyester

a)

True

b)

False

22.

Which color of safelight can be used for both monochromatic and orthochromatic film?

a)

red

b)

amber

c)

blue

d)

purple

23.

The purpose of radiographic processing is to convert the _______ image into the visible image.

a)

electronic

b)

latent

c)

manifest

d)

processed

24.

Which stage of film manufacturing must be done in total darkness?

a)

crystal production

b)

ripening

c)

mixing

d)

coating

25.

Which film manufacturing step will control the spectral sensitivity of a film?

a)

crystal production

b)

ripening

c)

mixing

d)

coating

26.

True or False: Direct exposure film reduces patient dose by the use of intensifying screens.

a)

True

b)

False

27.

True or false: The emulsion side of a single emulsion film is shiny.

a)

True

b)

False

28.

What type of energy does an intensifying screen emit?

a)

x-ray

b)

light

c)

chemical

d)

sonic

29.

True or False: Double emulsion film has an anti-halation layer to prevent light from reflecting back towards the emulsion.

a)

True

b)

False