Question 1

Film is made with double emulsion to enhance film __________.

Accepted Answer

A)  sensitivity 
B)  latitude 
C)  contrast 
D)  speed 
A)  sensitivity 
B)  latitude 
C)  contrast 
D)  speed D

Question 2

All of the following are advantages of proper screen-film use except

Accepted Answer

A)  flexibility of kVp selection. 
B)  adjustment of radiographic contrast. 
C)  decreased patient dose. 
D)  spatial resolution is increased. 
A)  flexibility of kVp selection. 
B)  adjustment of radiographic contrast. 
C)  decreased patient dose. 
D)  spatial resolution is increased. C

Question 3

Photon interactions in the emulsion occur with exposure to __________________.

Accepted Answer

A)  x-rays 
B)  light 
C)  heat 
D)  Both A and B 
A)  x-rays 
B)  light 
C)  heat 
D)  Both A and B D

Question 4

A contaminant in the silver halide crystal creates the ____________________.

Accepted Answer

A)  sensitivity centers 
B)  latent image 
C)  manifest image 
D)  image fog 
A)  sensitivity centers 
B)  latent image 
C)  manifest image 
D)  image fog

Question 5

The main purpose of the gelatin emulsion in radiographic film is to _______________.

Accepted Answer

A)  resist chemical penetration 
B)  hold the silver halide crystals 
C)  maintain dimensional stability 
D)  protect the base 
A)  resist chemical penetration 
B)  hold the silver halide crystals 
C)  maintain dimensional stability 
D)  protect the base

Question 6

The intensification factor is the exposure required ________________ divided by the exposure required _______________.

Accepted Answer

A)  with one screen, with two screens 
B)  with two screens, with one screen 
C)  without screens, with screens 
D)  with screens, without screens 
A)  with one screen, with two screens 
B)  with two screens, with one screen 
C)  without screens, with screens 
D)  with screens, without screens

Question 7

The latent image is made up of ___________ atoms.

Accepted Answer

A)  bromide 
B)  silver 
C)  iodine 
D)  sulfide 
A)  bromide 
B)  silver 
C)  iodine 
D)  sulfide

Question 8

The layer of screen that lies closest to the film is the ____________________.

Accepted Answer

A)  screen base 
B)  fluorescent layer 
C)  protective coating 
D)  reflective layer 
A)  screen base 
B)  fluorescent layer 
C)  protective coating 
D)  reflective layer

Question 9

The intensification factor is a measurement of screen _____________.

Accepted Answer

A)  resolution 
B)  speed 
C)  noise 
D)  quality 
A)  resolution 
B)  speed 
C)  noise 
D)  quality

Question 10

The intensification factor increases with increased _____.

Accepted Answer

A)  kVp 
B)  mAs 
C)  dye 
D)  temperature 
A)  kVp 
B)  mAs 
C)  dye 
D)  temperature

Question 11

Latent image formation occurs during film _______________.

Accepted Answer

A)  processing 
B)  manufacturing 
C)  storage 
D)  exposure 
A)  processing 
B)  manufacturing 
C)  storage 
D)  exposure

Question 12

A phosphorescent material emits light ______________________________.

Accepted Answer

A)  for a period of time after stimulation 
B)  only while it is stimulated 
C)  for less than a nanosecond 
D)  only from chemical stimulation 
A)  for a period of time after stimulation 
B)  only while it is stimulated 
C)  for less than a nanosecond 
D)  only from chemical stimulation

Question 13

Both the isotropic emission of light from screen phosphor crystals and the added reflective layer contribute to ________________.

Accepted Answer

A)  conversion efficiency 
B)  image blur 
C)  quantum mottle 
D)  detective quantum efficiency 
A)  conversion efficiency 
B)  image blur 
C)  quantum mottle 
D)  detective quantum efficiency

Question 14

Which of the following lists the steps of automatic processing in the correct order?

Accepted Answer

A)  Wetting, fixing, developing, washing, drying 
B)  Wetting, developing, fixing, washing, drying 
C)  Developing, fixing, wetting, washing, drying 
D)  Fixing, wetting, developing, washing, drying 
A)  Wetting, fixing, developing, washing, drying 
B)  Wetting, developing, fixing, washing, drying 
C)  Developing, fixing, wetting, washing, drying 
D)  Fixing, wetting, developing, washing, drying

Question 15

Screen characteristics are determined by the __________________.

Accepted Answer

A)  size of the phosphor crystals 
B)  thickness of the phosphor layer 
C)  phosphor composition 
D)  All of the above 
A)  size of the phosphor crystals 
B)  thickness of the phosphor layer 
C)  phosphor composition 
D)  All of the above

Question 16

Crystals in film emulsion consist of __________________ and __________________.

Accepted Answer

A)  potassium bromide, silver bromide 
B)  silver nitrate, silver bromide 
C)  silver bromide, silver iodide 
D)  silver nitrate, potassium bromide 
A)  potassium bromide, silver bromide 
B)  silver nitrate, silver bromide 
C)  silver bromide, silver iodide 
D)  silver nitrate, potassium bromide

Question 17

An intensifying screen is an example of __________________.

Accepted Answer

A)  luminescence 
B)  fluorescence 
C)  phosphorescence 
D)  Both A and B 
A)  luminescence 
B)  fluorescence 
C)  phosphorescence 
D)  Both A and B

Question 18

The latent image can be seen _______________________.

Accepted Answer

A)  with a microscope 
B)  with the naked eye 
C)  only after development 
D)  only under red light 
A)  with a microscope 
B)  with the naked eye 
C)  only after development 
D)  only under red light

Question 19

The two basic components of radiographic film are the _______ and the ___________.

Accepted Answer

A)  base, adhesive layer 
B)  base, emulsion 
C)  emulsion, gelatin 
D)  emulsion, silver halide 
A)  base, adhesive layer 
B)  base, emulsion 
C)  emulsion, gelatin 
D)  emulsion, silver halide

Question 20

Luminescent material emits light after its outer shell electrons are _____________.

Accepted Answer

A)  excited 
B)  ejected 
C)  removed 
D)  Any of the above 
A)  excited 
B)  ejected 
C)  removed 
D)  Any of the above

Exam 12: Screen-Film Radiography

Film is made with double emulsion to enhance film __________.

All of the following are advantages of proper screen-film use except

Photon interactions in the emulsion occur with exposure to __________________.

A contaminant in the silver halide crystal creates the ____________________.

The main purpose of the gelatin emulsion in radiographic film is to _______________.

The intensification factor is the exposure required ________________ divided by the exposure required _______________.

The latent image is made up of ___________ atoms.

The layer of screen that lies closest to the film is the ____________________.

The intensification factor is a measurement of screen _____________.

The intensification factor increases with increased _____.

Latent image formation occurs during film _______________.

A phosphorescent material emits light ______________________________.

Both the isotropic emission of light from screen phosphor crystals and the added reflective layer contribute to ________________.

Which of the following lists the steps of automatic processing in the correct order?

Screen characteristics are determined by the __________________.

Crystals in film emulsion consist of __________________ and __________________.

An intensifying screen is an example of __________________.

The latent image can be seen _______________________.

The two basic components of radiographic film are the _______ and the ___________.

Luminescent material emits light after its outer shell electrons are _____________.

Essential Concepts of Radiologic Science

The Structure of Matter

Electromagnetic Energy

Electricity, Magnetism, and Electromagnetism

The X-ray Imaging System

The X-ray Tube

X-ray Production

X-ray Emission

X-ray Interaction with Matter

Radiographic Image Quality

Control of Scatter Radiation

Screen-Film Radiographic Technique

Medical Imaging Computer Science

Computed Radiography

Digital Radiography

Digital Radiographic Technique

Viewing the Digital Image

Screen-Film Radiographic Artifacts

Screen-Film Radiographic Quality Control

Digital Radiographic Artifacts

Digital Radiographic Quality Control

Mammography

Mammography Quality Control

Fluoroscopy

Digital Fluoroscopy

Interventional Radiology

Computed Tomography

Human Biology

Fundamental Principles of Radiobiology

Molecular Radiobiology

Cellular Radiobiology

Deterministic Effects of Radiation

Stochastic Effects of Radiation

Health Physics

Designing for Radiation Protection

Radiography/Fluoroscopy Patient Radiation Dose

Computed Tomography Patient Radiation Dose

Patient Radiation Dose Management

Occupational Radiation Dose Management

Filters

The intensification factor is the exposure required __ divided by the exposure required _.

Crystals in film emulsion consist of and .

The two basic components of radiographic film are the _ and the _____.