What is a size "1" dental film most commonly used for?

Bitewing images on a child with a mixed dentition

What describes "Leakage" type?

Escapes in all directions from the tube or tubehead.

What is a size "0" dental film most commonly used for?

Periapical and bitewing images on a child with a primary dentition only

Which of the following is the "patient" responsibility for radiation safety?

Presenting, to the best of their abilities, their radiation history.

What best describes "Developing Agent", a chemical component of the developing solution.

capable of changing exposed grains of silver halide to metallic silver

What best describes "Restrainer", a chemical component of the fixing solution.

Shortens drying time, protects the emulsion, and makes the image permanent

What best describes "Restrainer", a chemical component of the developing solution.

controls the action of the developer (film would become dark and foggy)

What is a size "2" dental film most commonly used for?

Anterior and posterior periapical images on an adult

What describes " Scatter" type?

Deflects from path as it strikes matter (most serious danger to operator)

What best describes "Preservative", a chemical component of the fixing solution.

Inhibits the decomposition of the fixer

What is a size "3" dental film most commonly used for?

Bitewing image on an adult (1 on each side)

What best describes "Accelerator", a chemical component of the developing solution.

activates developer/maintains alkalinity & softens emulsion on film

Radiolucency in dental x-rays are

Structures that show up on x-rays in shades of dark gray-black (not dense)

What best describes "Acidifier", a chemical component of the fixing solution.

Neutralizes alkaline environment created by developer

What describes " Secondary" type?

Primary x-ray strike pt, transforms into longer wavelengths, lose energy

Which of the following is the "dental assistants" responsibility for radiation safety?

Properly labeling and storing patient radiographs to prevent loss

What best describes "Antioxidant Preservation", a chemical component of the developing solution.

prevents developing solution from oxidizing in the presence of air

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Dental Radiography Final Exam

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Questions 65

Answers

1
What is "1"
Extension Arm
Control Panel
PID
Tubehead
2
When mA is decreased it creates?
lighter image
darker image
shorter grey scale
longer grey scale
3
What is a size "1" dental film most commonly used for?
Bitewing images on a child with a mixed dentition
Periapical and bitewing images on a child with a primary dentition only
Anterior and posterior periapical images on an adult
Adult occlusal image
4
What describes "Leakage" type?
Escapes in all directions from the tube or tubehead.
Primary x-ray strike pt, transforms into longer wavelengths, lose energy
Central beam coming from x-ray tubehead, high energy, short wavelengths
Deflects from path as it strikes matter (most serious danger to operator)
5
What is a size "0" dental film most commonly used for?
Anterior and posterior periapical images on an adult
Periapical and bitewing images on a child with a primary dentition only
Bitewing images on a child with a mixed dentition
Adult occlusal image
6
Which of the following is the "patient" responsibility for radiation safety?
Properly labeling and storing patient radiographs to prevent loss
Having all x-ray equipment installed safely and maintaining it properly.
Making control panel w/ indicators, display mA/kV/impulse per exposure time
Presenting, to the best of their abilities, their radiation history.
7
What best describes "Developing Agent", a chemical component of the developing solution.
activates developer/maintains alkalinity & softens emulsion on film
capable of changing exposed grains of silver halide to metallic silver
prevents developing solution from oxidizing in the presence of air
controls the action of the developer (film would become dark and foggy)
8
What is "3"
Tubehead
PID
Vertical Indicator Scale
9
When kV is increased it creates?
longer grey scale
lighter image
darker image
shorter grey scale
10
What best describes "Restrainer", a chemical component of the fixing solution.
Dissolves/removes undeveloped silver halide from emulsion
Inhibits the decomposition of the fixer
Neutralizes alkaline environment created by developer
Shortens drying time, protects the emulsion, and makes the image permanent
11
In this panoramic the patients chin is pointing:
downward
upward
12
What best describes "Restrainer", a chemical component of the developing solution.
controls the action of the developer (film would become dark and foggy)
prevents developing solution from oxidizing in the presence of air
capable of changing exposed grains of silver halide to metallic silver
activates developer/maintains alkalinity & softens emulsion on film
13
What is the main error seen in this bitewing?
under exposure
open contacts
conecut
overlapping
14
If your central beam is at a 90-degree angle to line "C" that would be _________ technique.
bisecting
paralleling
15
Bisecting angle technique uses a ___-inch PID
12
8
16
10
16
What is a size "2" dental film most commonly used for?
Periapical and bitewing images on a child with a primary dentition only
Adult occlusal image
Anterior and posterior periapical images on an adult
Bitewing images on a child with a mixed dentition
17
What describes " Scatter" type?
Escapes in all directions from the tube or tubehead.
Central beam coming from x-ray tubehead, high energy, short wavelengths
Deflects from path as it strikes matter (most serious danger to operator)
Primary x-ray strike pt, transforms into longer wavelengths, lose energy
18
What best describes "Preservative", a chemical component of the fixing solution.
Shortens drying time, protects the emulsion, and makes the image permanent
Dissolves/removes undeveloped silver halide from emulsion
Neutralizes alkaline environment created by developer
Inhibits the decomposition of the fixer
19
What is a size "3" dental film most commonly used for?
Bitewing images on a child with a mixed dentition
Periapical and bitewing images on a child with a primary dentition only
Bitewing image on an adult (1 on each side)
Adult occlusal image
20
Density is the difference between shades of grey.
False
True
21
What radiograph does this image represent?
Maxillary Molar
Premolar Bitewing
Molar Bitewing
Anterior Bitewing
22
What best describes "Accelerator", a chemical component of the developing solution.
capable of changing exposed grains of silver halide to metallic silver
activates developer/maintains alkalinity & softens emulsion on film
prevents developing solution from oxidizing in the presence of air
controls the action of the developer (film would become dark and foggy)
23
What is the main error seen in this bitewing?
under exposure
over exposure
foreshortening
elongation
24
A thin black line between the teeth on a bitewing x-ray indicates:
open contacts
bone loss
interproximal decay
overlapping
25
What is "4"
Control Panel
Tubehead
Extension Arm
PID
26
Radiolucency in dental x-rays are
Structures that show up on x-rays in shades of dark gray-black (not dense)
Structures that are dense and do not allow rays to pass through them
27
What radiograph does this image represent?
Mandibular Canine
Maxillary Incisor
Maxillary Premolar
Maxillary Canine
28
What radiograph does this image represent?
Maxillary Premolar
Maxillary Canine
Maxillary Incisor
Mandibular Canine
29
What best describes "Acidifier", a chemical component of the fixing solution.
Shortens drying time, protects the emulsion, and makes the image permanent
Inhibits the decomposition of the fixer
Dissolves/removes undeveloped silver halide from emulsion
Neutralizes alkaline environment created by developer
30
What radiograph does this image represent?
Anterior Bitewing
Maxillary Molar
Molar Bitewing
Premolar Bitewing
31
In this panoramic the patients chin is pointing:
upward
downward
32
What is "3"
Extension Arm
Tubehead
PID
Control Panel
33
What does "PID" stand for?
Protection Indicator Device
Positioning Indicator Device
Panoramic Image Detection
Posterior Image Detection
34
Paralleling technique uses a ___-inch PID
12
16
10
8
35
What describes " Secondary" type?
Central beam coming from x-ray tubehead, high energy, short wavelengths
Deflects from path as it strikes matter (most serious danger to operator)
Escapes in all directions from the tube or tubehead.
Primary x-ray strike pt, transforms into longer wavelengths, lose energy
36
What radiograph does this image represent?
Mandibular Canine
Maxillary Premolar
Mandibular Premolar
Maxillary Molar
37
Kilovoltage(kV) determines quantity of electrons.
True
False
38
What is a size "4" dental film most commonly used for?
Bitewing images on a child with a mixed dentition
Adult occlusal image
Bitewing image on an adult (1 on each side)
Periapical and bitewing images on a child with a primary dentition only
39
What is "1"
Tubehead
PID
Vertical Indicator Scale
40
When mA is increased it creates?
longer grey scale
lighter image
shorter grey scale
darker image
41
When the operator has to place the image receptor as close to the tooth/exposure area as possible they are using the...
Paralleling Technique
Bisecting Angle Technique
42
Milliamperage(mA) determines the quality of the central beam penetrating power.
True
False
43
What radiograph does this image represent?
Mandibular Canine
Maxillary Molar
Maxillary Premolar
Mandibular Premolar
44
What radiograph does this image represent?
Mandibular Molar
Mandibular Incisor
Mandibular Premolar
Maxillary Premolar
45
When kV is decreased it creates?
lighter image
longer grey scale
shorter grey scale
darker image
46
Which of the following is the "dental assistants" responsibility for radiation safety?
Having all x-ray equipment installed safely and maintaining it properly.
Properly labeling and storing patient radiographs to prevent loss
Making control panel w/ indicators, display mA/kV/impulse per exposure time
Presenting, to the best of their abilities, their radiation history.
47
What is the main error seen in this bitewing?
over exposure
foreshortening
under exposure
elongation
48
What radiograph does this image represent?
Mandibular Premolar
Mandibular Canine
Mandibular Incisor
Maxillary Premolar
49
What best describes "Antioxidant Preservation", a chemical component of the developing solution.
activates developer/maintains alkalinity & softens emulsion on film
prevents developing solution from oxidizing in the presence of air
capable of changing exposed grains of silver halide to metallic silver
controls the action of the developer (film would become dark and foggy)
50
Contrast is the degree of darkness on an x-ray.
False
True
51
What radiograph does this image represent?
Mandibular Canine
Mandibular Premolar
Mandibular Incisor
Maxillary Premolar
52
Radiopaque in dental x-rays are
Structures that show up on x-rays in shades of dark gray-black (not dense)
Structures that are dense and do not allow rays to pass through them
53
What describes " primary radiation" type?
Central beam coming from x-ray tubehead, high energy, short wavelengths
Primary x-ray strike pt, transforms into longer wavelengths, lose energy
Deflects from path as it strikes matter (most serious danger to operator)
Escapes in all directions from the tube or tubehead.
54
What is the main error seen in this bitewing?
conecut
over exposure
under exposure
elongation
55
What best describes "Clearing Agent", a chemical component of the fixing solution.
Neutralizes alkaline environment created by developer
Dissolves/removes undeveloped silver halide from emulsion
Shortens drying time, protects the emulsion, and makes the image permanent
Inhibits the decomposition of the fixer
56
Contrast is the difference between shades of grey.
False
True
57
What is "2"
Vertical Indicator Scale
PID
Tubehead
58
What is "2"
Control Panel
PID
Tubehead
Extension Arm
59
Which of the following is the "dentist" responsibility for radiation safety?
Presenting, to the best of their abilities, their radiation history.
Properly labeling and storing patient radiographs to prevent loss
Having all x-ray equipment installed safely and maintaining it properly.
Making control panel w/ indicators, display mA/kV/impulse per exposure time
60
How many feet should an operator stand from the primary beam?
6
4
5
10
61
Milliamperage(mA) determines quantity of electrons.
True
False
62
Which of the following is the "manufacturer" responsibility for radiation safety?
Presenting, to the best of their abilities, their radiation history.
Having all x-ray equipment installed safely and maintaining it properly.
Making control panel w/ indicators, display mA/kV/impulse per exposure time
Properly labeling and storing patient radiographs to prevent loss
63
What radiograph does this image represent?
Mandibular Molar
Mandibular Premolar
Maxillary Premolar
Mandibular Incisor
64
Kilovoltage(kV) determines the quality of the central beam penetrating power.
True
False
65
Density is the degree of darkness on an x-ray.
False
True

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