Exam (elaborations)

DANB Radiology Exam with Revised Answers

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DANB Radiology

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DANB Radiology

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Uploaded on August 19, 2024
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danb radiology
danb radiology exam
danb radiology exam with revised answers
what is a long term effect of radiation

Institution DANB Radiology
Course DANB Radiology

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DANB Radiology Exam with Revised
Answers

What is a long-term effect of radiation?
Nausea
Hemorrhage
Genetic defects
Hair loss - Answer-genetic defects

Which extraoral radiograph is used to evaluate impacted teeth, large lesions and
fractures of the mandible?
Posteroanterior projection
Lateral jaw projection
Reverse Towne projection
Waters projection - Answer-lateral jaw projection

Dental healthcare personnel who are pregnant can expose radiographs during their
third trimester.
second trimester.
entire pregnancy.
first trimester. - Answer-entire pregnancy

The best way to prevent cross-contamination when using sensors is by
sterilization.
using an antiseptic rinse agent.
using individual barrier sleeves.
disinfection. - Answer-using individual barrier sleeves

What is the time between patient exposure to radiation and the appearance of biological
damage called?
silent period.
refractory period.
waiting period.
latent period. - Answer-latent period

What prevents x-rays from escaping the tubehead?
Tungsten filament
Anode
Leaded-glass housing
Cathode - Answer-leaded-glass housing

, When documenting a lesion found on an image, the description should include
location.
severity.
appearance.
size. - Answer-severity

Paralleling technique requires the image receptor be placed
away from the tooth, toward the middle of the oral cavity.
against the occlusal surface of the tooth.
against the lingual surface of the tooth.
toward the tooth, away from the oral cavity. - Answer-away from the tooth, toward the
middle of the oral cavity.

What are acceptable methods for processing digital sensors between patient use?
Heat sterilization
Immersion in high-level disinfection
Disposal of sensor
None of the above - Answer-none of the above

On an anterior image, the anterior alveolar crest normally appears...
as a triangular-shaped radiopacity
pointed and sharp
as a dense radiopaque line
flat and smooth - Answer-pointed and sharp

What is used to stabilize the upper and lower arch on the bite block when taking a
panoramic image?
Chin rest
Cotton rolls
Head positioners
Separators - Answer-cotton rolls

Which semicritical item should be sterilized before reuse?
Positioning device
Sensor
Lead apron
None of the above - Answer-positioning device

What step should be taken immediately if the tubehead drifts?
ask the patient to gently hold the tube head.
stop using the machine.
ask the patient's family member to hold the tube head.
quickly expose each image. - Answer-stop using the machine

During routine hand washing, lather and scrub for a minimum of
20 seconds.

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Exam (elaborations) ·

Exam (elaborations)

DANB Radiology Exam with Revised Answers

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