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Click Once to BeginJEOPARDY!
Dental Radiography II
Final Review Game
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JEOPARDY!
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Exposing Techniques
Types of Radiographs
Film Processing
Patient Management
Errors/ Interpretation
Radiation Protection & Biology
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Question:Which technique satisfies
more rules of the principles of shadow casting?
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Answer: Paralleling Technique
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Question: If an 8” PID and a 16” PID were both used on the same settings for the same patient, which film
would have greater density?
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Answer: 8” PID
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Question: Name at least one of the five intraoral
conditions that warrants the use of the bisecting
technique.
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Answer: Shallow palate, shallow floor of the mouth, large palatal or mandibular
tori, short lingual frenum, or for endo radiographs
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Question: In which technique is no film bending
allowed?
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Answer: Bisecting
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Question: Name an appropriate vertical angulation for the
canine/lateral PA on the maxillary with the patient in
the upright position.
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Answer: +45 to +55
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Question: What kind of radiograph is this image?
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Answer: Occlusal (maxillary)
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Question: Name two of the four uses of the BWX.
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Answer: caries detection (interproximally), calculus detection, assessment of crestal bone height, and
evaluation of restorations
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Question: What is the light that is emitted from the phosphor in extraoral
cassettes during radiographic exposure
called?
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Answer: Fluorescence
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Question: What type of radiograph gives a side view of the skull with a soft
tissue outline of the patient’s profile?
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Answer: Cephalometric
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Question: What is the area on the
panoramic radiograph that has the sharpest image
called?
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Answer: Focal trough or image
layer
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Question: What main step is eliminated from the manual processing procedure when using
an automatic processor?
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Answer: rinse
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Question : Name one advantage and
one disadvantage of automatic
processing over manual processing.
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Answer:Adv: shortens processing time, produces
consistently good results, less opportunity for operator error, requires less space and
can have a daylight loader
DA: way more maintenance
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Question : At what temperature does an automatic processor
typically run?
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Answer: anywhere from 83-105 deg F
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Question : Name the two main causes of
automatic processor breakdown.
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Answer: failure to keep rollers clean
and inadequate replenishing
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Question : What ingredient is added to the developer to minimize the swelling of the emulsion
for automatic processing?
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Answer: sulfate
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Question : What does ALARA stand
for?
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Answer: As Low As Reasonably Achievable
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Question: What two pieces of radiographic protective equipment
should be placed on all patients during radiographic exposure of
intraoral radiographs
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Answer: lead apron & thyroid collar
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Question: Name an item to be removed
by the patient before an intraoral
radiographic procedure.
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Answer: intraoral piercings,
eyeglasses, removable appliances
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Question: Name two techniques for
dealing with gagging during radiographic
exposure.
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Answer: Don’t discuss it ahead of time; start with
anterior films; do as much before placing films as
possible; have patient take deep breaths; distract;
mildly anesthetize
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Question: What is the best way to deal with infection control of dental x-ray film
packets?
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Answer: Barrier covers for film
packets
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Question: Name this error.
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Answer: Double Exposure
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Question: The assistant forgot to ask the patient to remove her earrings. What are
these white streaks called?
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Answer: Ghost images
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Question: Name one radiolucent
condition. (Note: NOT normal radiographic
anatomy)
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Answer: Answers can vary.
Examples: caries, abscesses, fracture
lines
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Question: Name this error.
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Answer: Developer cut-off
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Question: An abnormal condition that occurs when a
lesion moves a structure is called?
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Answer: Displacement
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Question: When a non-reproductive body cell or tissue is affected by radiation, this is called
a __________ ___________.
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Answer: somatic effect
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Question: If a lead barrier wall is unavailable, the operator should stand at least 6 feet
away from the patient and in an area that is ____ degrees to the
primary beam.
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Answer: Anywhere from 90-135 degrees
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Question: If an x-ray machine is
operating at 65 kVp, what amount of
aluminum filtration is required?
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Answer: 1.5mm
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Question: The FDA and ADA created an article outlining when typical
times are to take diagnostic radiographs.
What is this called?
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Answer: Selection Criteria
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Question: When a high-energy photon collides with an inner
orbiting electron and knocks it out of its orbit, an outer electron has to come down to take its place.
This energy causes an x-ray photon to be released. What is this
direct effect of radiation called?
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Answer: Photoelectric effect