BU Dental Radiology final test Latest study
guide Actual Exam Questions and 100%
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A+
Which of these have an influence on radiation protection?
-Safe equipment
-Skilled operator
-Lead aprons and thyroid collars
-All of the above Correct Answer All of the above
Filters in an x-ray tube is made of what? Correct Answer
Aluminum
The radiographs which reveal the entire teeth with the
apical region is called what? Correct Answer Periapical
X-ray instruments should always be what? Correct Answer
Sterilized
1Gy= how many rad Correct Answer 100
1Sv= how many rem Correct Answer 100
What does MSV stand for? Correct Answer Millecerts
units
Dental radiographic exposure is wat mSv Correct Answer
0.150
, What does ALARA stand for Correct Answer As Low As
Reasonably Achievable
Emulsion is Correct Answer Crystals senstive to radiation
Tree-like lightening black streaks on a processed film are
caused by what? Correct Answer Static electricity when
drying
During pregancy a partiant may be irradiated by taking
necessary precations? True or False Correct Answer True
In your office the radiographs turn brown with age almost
all of the time. What corrective action do you take? Correct
Answer Wash the film properly after fixing
When the ID dot appers near the apex of the tooth it
means what? Correct Answer The film was placed in the
holder incorrectly
A darkroom safe light should be at least how many feet
away from the film being opened? Correct Answer 4 feet
Overlapping of teeth is caused by what? Correct Answer
Incorrect horiziontal angulation
When exposing the mandubular molar area, what is the
position of the film? Correct Answer Centered on the
second molar
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