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DANB Radiology exam Questions and Answers Graded A+

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DANB Radiology exam Questions and Answers Graded A+ Harmful effects of radiation on human tissue are? Cumulative How much lead should the apron have? 0.25mm 0:18 / 0:34 What is the correct vertical angulation used when taking a bitewing x-ray? +10 degrees What do full ...

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  • September 21, 2024
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  • 2024/2025
  • Exam (elaborations)
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DANB Radiology exam Questions and
Answers Graded A+

Harmful effects of radiation on human tissue are? - answer Cumulative

How much lead should the apron have? - answer0.25mm

What is the correct vertical angulation used when taking a bitewing x-ray? - answer+10
degrees

What do full mouth x-rays consist of? - answer Always has periapical and bitewing films

What needs to happen when exposing a full mouth set of radiographs? - answer The
exposure button should be covered with a plastic barrier

What Radiographic tech. records accurate images of crowns, roots, and supporting
structures of a selected area of the oral cavity? - answer Periapical films

#1 film should be used to x-ray what areas? - answer Incisors and cuspid

What is the sequence for developing and processing manual processing? -
answerdevelop, rinse, fix, and wash

What chemical in fixer clears unexposed halide crystals? - answerammonium thiosulfate

Electrons from the cathode and anode produce how much energy in the collision? -
answer99%

what landmarks do you look for if the patient has no teeth? - answerTuberosity and near
the outer corner of the eye

Most likely cause of black spots on a bitewing x-ray? - answerDeveloper splash

How does radiolucent look on an x-ray - answerdark

What restorative material appears radiopaque on a radiograph? - answeramalgam and
gold crowns

what will too much vertical angulation cause? - answerforeshortening

what is the use for occlusal x-rays? - answerlocate foreign bodies

, what do intensifying screens do? - answercontain phosphors that emit blue or green
light

while taking a panoramic extra oral x-ray where should the assistant instruct the patient
to place tounge? - answeron roof of the mouth

which of the following is not classified as a developmental dental abnormality? -
answerperiapical abscess

What do filters do in the x-ray beam? - answerReduce patient radiation dose and
remove the long waves

what is the recommended collimation of the radiation beam at the patients skin surface?
- answer2.75mm

what does ALARA concept stand for? - answeras low as reasonably possible

what are examples of personnel monitoring devices? - answerfilm badge, pocket
dosimeter, and film ring

The transfer of energy as it passes through matter is called? - answerabsorption

what is it called when a lead disc is used for the elimination of the peripheral portion of
the x-ray beam?> - answercollimation

in dental radiography, what infection control procedures are included? -
answersterilization and disinfection

what does immersing the contaminated exposed film packet in a disinfecting solution
do? - answerdestroys film

where in the x-ray head does thermionic emission take place? - answertungsten
filament

What is the primary diagnostic use of bitewing radiograph? - answercheck for
interproximal decay and crestal bone level

what causes a herringbone pattern across a film with low density? - answerthe film
packet placed backwards

what determines the speed of the film? - answerthe size of the halide crystals

what does the term radiographic density describe? - answerdegree of darkness or
blackness of film

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