Exam (elaborations)
Radiation Safety Certification Course Questions and Answers 2024
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Radiation Safety Certification Course
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Radiation Safety Certification CourseCone Cut - answer Cone and film misaligned
Overlapping – answer X-ray beam misdirected
Tragus - answer external auditor meatus
Ala - answer flared cartilage on each side of the nostril / flare of the nostril
Foreshortening - answer vertical angle too high/ too much
Elongation - answer vertical angle too low/ too little
An aid used to help mount developed film - answer embossed dot on he film (pimple
out)
if the cone does not cover the film, the result on the radiograph will be: - answer a
partial image
Elongation of the teeth in an X-ray film results from the - answer too low vertical angle
Blurred radiographic images are often caused by - answer patient movement during
exposure
The position indicator device is lined with: - answer lead
Type of radiation the operator is most affected by is: - answer scatter radiation
Types of Radiation - answer Primary radiation, secondary radiation, and scatter
radiation
Primary radiation - answer also known as the central ray or primary beam. It is the
stream of radiation emitted from the x-ray. Travels in straight, short waves
Secondary radiation - answer is given off by matter exposed to radiation when the
primary beam touches matter.
Scatter radiation - answer radiation that has been deflected from its path by interaction
with matter
What is the type of x-ray film used to examine the apex of a tooth - answer Periapical
, Interproximal cavities can be best detected with - answerbitewing radiographs
The radiograph that shows the entire natomy of the tooth is the: - answerperiapical
Extraoral film are used for: - answerorthodontics, locating tumors, and locating the
position of impacted teeth
Personal Protective Equipment (PPEs) include: - answergowns, goggles, masks, gloves
In CA, a thyroid collar and a lead apron is required. True or False - answerTrue
Dental radiographs are the property of the: - answerDental office exposing the
radiographs
The light-proof fram that is designed to hold large extra oral film is called a -
answercassette
Dental material that appears the most radioPAQUE in a dental radiograph is: -
answerAmalgam
On processed film, when a substance is radioLUCENT, the image will appear: -
answerdark
What is the difference between the images that are radioLUCENT and radioPAQUE? -
answerRadiolucent appears dark, radiopaque appears light
When place intraoral periapical films in a patient's mouth, the dot on the film belongs on
the ____/____ surface of the area being exposed - answerWhen place intraoral
periapical films in a patient's mouth, the dot on the film belongs on the
OCCUSAL/INCISAL surface of the area being exposed
How would the area where a tooth is missing look like on processed film? - answerit
would appear dark
Acute dose - answerWhen there is exposure to radiation in a LARGE AMOUNT in a
SHORT period of TIME.
The term used to describe the amount of radiation absorbed by the body is: -
answerRAD
The MPD for the general public (non-occupational) is how many REM annually? -
answer1 REM
What is one of the responsibilities of dentists regarding radiographs? - answerto
prescribe only those radiographs that are necessary for diagnosis
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