Dental Radiography Exam 2 Review |||\\\ |||\\\ |||\\\ |||\\\ |||\\\
with correct answers |||\\\ |||\\\
________ 1 Which of the following describes a use of a panoramic image?
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a diagnosis of caries
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b evaluation of periodontal disease
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c evaluation of impacted molars
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d evaluation of periapical disease - correct answer✔✔c
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________ 2 The zone in which structures are clearly demonstrated on a panoramic image is
|||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\
termed:
a the focal trough
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b the rotation center
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c the ghost image
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d the midsagittal plane - correct answer✔✔a
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________ 3 Rare earth intensifying screens are recommended in panoramic imaging because:
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a rare earth screens emit a blue light
|||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\
b rare earth screens provide a more diagnostic image
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c rare earth screens require less x-ray exposure for the patient
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d the images convert faster in automatic processors - correct answer✔✔c
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________ 4 A thyroid collar is not recommended in panoramic imaging because:
|||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\
a it blocks the x-ray beam and obscures information
|||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\
b there is a relatively low dose of radiation to the thyroid gland in panoramic imaging
|||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\
,c it is impossible to sterilize the thyroid collar
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d all of the above - correct answer✔✔a
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________ 5 The imaginary line that passes from the bottom of the eye socket through the top
|||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\
of the ear canal is termed:
|||\\\ |||\\\ |||\\\ |||\\\ |||\\\
a the midsagittal plane
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b the Frankfort plane
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c the vertebral plane
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d the orbital plane - correct answer✔✔b
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________ 1 Calibration of dental x-ray equipment can be performed by a dentist, dental |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\
hygienist, or dental assistant. |||\\\ |||\\\ |||\\\
a true
|||\\\
b false - correct answer✔✔b
|||\\\ |||\\\ |||\\\ |||\\\ |||\\\
________ 2 Annual tests for dental x-ray machines can be performed by a dentist, dental |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\
hygienist, or dental assistant. |||\\\ |||\\\ |||\\\
a true
|||\\\
b false - correct answer✔✔a
|||\\\ |||\\\ |||\\\ |||\\\ |||\\\
________ 3 For quality control purposes, each new box of unopened film should be tested for
|||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\
film freshness and fogging before it is used.
|||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\
a true
|||\\\
b false - correct answer✔✔a
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________ 4 After processing, fresh film that has been properly stored and protected will |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\
appear ________. |||\\\
a fogged
|||\\\
, b clear with a slight blue tint
|||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\
c clouded with a blue tint
|||\\\ |||\\\ |||\\\ |||\\\ |||\\\
d dark blue
|||\\\ |||\\\
e totally black - correct answer✔✔b
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________ 5 After performing the film-screen contact test, a wire mesh image of uniform
|||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\
density appears. These results indicate ________.
|||\\\ |||\\\ |||\\\ |||\\\ |||\\\
a adequate film-screen contact
|||\\\ |||\\\ |||\\\
b inadequate film-screen contact - correct answer✔✔a
|||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\
________ 6 When functioning properly, a viewbox should emit a uniform and brilliant light.
|||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\
a true
|||\\\
b false - correct answer✔✔b
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________ 7 One of the most critical areas of quality control that requires daily monitoring is
|||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\
________.
a examination of the fluorescent bulbs inside the viewbox
|||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\
b cleaning the extraoral intensifying screens
|||\\\ |||\\\ |||\\\ |||\\\ |||\\\
c examination of the darkroom for light-tightness
|||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\
d processing of films
|||\\\ |||\\\ |||\\\
e all of the above - correct answer✔✔d
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________ 8 The coin test is used to check ________. |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\
a proper safelighting
|||\\\ |||\\\
b strength of the processing solution
|||\\\ |||\\\ |||\\\ |||\\\ |||\\\
c film density
|||\\\ |||\\\
d film-to-screen contact
|||\\\ |||\\\
with correct answers |||\\\ |||\\\
________ 1 Which of the following describes a use of a panoramic image?
|||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\
a diagnosis of caries
|||\\\ |||\\\ |||\\\
b evaluation of periodontal disease
|||\\\ |||\\\ |||\\\ |||\\\
c evaluation of impacted molars
|||\\\ |||\\\ |||\\\ |||\\\
d evaluation of periapical disease - correct answer✔✔c
|||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\
________ 2 The zone in which structures are clearly demonstrated on a panoramic image is
|||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\
termed:
a the focal trough
|||\\\ |||\\\ |||\\\
b the rotation center
|||\\\ |||\\\ |||\\\
c the ghost image
|||\\\ |||\\\ |||\\\
d the midsagittal plane - correct answer✔✔a
|||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\
________ 3 Rare earth intensifying screens are recommended in panoramic imaging because:
|||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\
a rare earth screens emit a blue light
|||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\
b rare earth screens provide a more diagnostic image
|||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\
c rare earth screens require less x-ray exposure for the patient
|||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\
d the images convert faster in automatic processors - correct answer✔✔c
|||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\
________ 4 A thyroid collar is not recommended in panoramic imaging because:
|||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\
a it blocks the x-ray beam and obscures information
|||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\
b there is a relatively low dose of radiation to the thyroid gland in panoramic imaging
|||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\
,c it is impossible to sterilize the thyroid collar
|||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\
d all of the above - correct answer✔✔a
|||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\
________ 5 The imaginary line that passes from the bottom of the eye socket through the top
|||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\
of the ear canal is termed:
|||\\\ |||\\\ |||\\\ |||\\\ |||\\\
a the midsagittal plane
|||\\\ |||\\\ |||\\\
b the Frankfort plane
|||\\\ |||\\\ |||\\\
c the vertebral plane
|||\\\ |||\\\ |||\\\
d the orbital plane - correct answer✔✔b
|||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\
________ 1 Calibration of dental x-ray equipment can be performed by a dentist, dental |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\
hygienist, or dental assistant. |||\\\ |||\\\ |||\\\
a true
|||\\\
b false - correct answer✔✔b
|||\\\ |||\\\ |||\\\ |||\\\ |||\\\
________ 2 Annual tests for dental x-ray machines can be performed by a dentist, dental |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\
hygienist, or dental assistant. |||\\\ |||\\\ |||\\\
a true
|||\\\
b false - correct answer✔✔a
|||\\\ |||\\\ |||\\\ |||\\\ |||\\\
________ 3 For quality control purposes, each new box of unopened film should be tested for
|||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\
film freshness and fogging before it is used.
|||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\
a true
|||\\\
b false - correct answer✔✔a
|||\\\ |||\\\ |||\\\ |||\\\ |||\\\
________ 4 After processing, fresh film that has been properly stored and protected will |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\
appear ________. |||\\\
a fogged
|||\\\
, b clear with a slight blue tint
|||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\
c clouded with a blue tint
|||\\\ |||\\\ |||\\\ |||\\\ |||\\\
d dark blue
|||\\\ |||\\\
e totally black - correct answer✔✔b
|||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\
________ 5 After performing the film-screen contact test, a wire mesh image of uniform
|||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\
density appears. These results indicate ________.
|||\\\ |||\\\ |||\\\ |||\\\ |||\\\
a adequate film-screen contact
|||\\\ |||\\\ |||\\\
b inadequate film-screen contact - correct answer✔✔a
|||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\
________ 6 When functioning properly, a viewbox should emit a uniform and brilliant light.
|||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\
a true
|||\\\
b false - correct answer✔✔b
|||\\\ |||\\\ |||\\\ |||\\\ |||\\\
________ 7 One of the most critical areas of quality control that requires daily monitoring is
|||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\
________.
a examination of the fluorescent bulbs inside the viewbox
|||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\
b cleaning the extraoral intensifying screens
|||\\\ |||\\\ |||\\\ |||\\\ |||\\\
c examination of the darkroom for light-tightness
|||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\
d processing of films
|||\\\ |||\\\ |||\\\
e all of the above - correct answer✔✔d
|||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\
________ 8 The coin test is used to check ________. |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\
a proper safelighting
|||\\\ |||\\\
b strength of the processing solution
|||\\\ |||\\\ |||\\\ |||\\\ |||\\\
c film density
|||\\\ |||\\\
d film-to-screen contact
|||\\\ |||\\\
