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Radiation Health and Safety EXAM Questions and Answers 2024
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Radiation Health and Safety EXAM
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Radiation Health and Safety EXAMWhen taking a panoramic radiograph of an obese patient, as compared to a slim
patient, exposure (kVp or mA) should - answer to be increased
The major disadvantage of the bisecting angle technique is that - answer Image
distortion is more likely
The reduce cross - contamination during radiography, the CDC and ADA recommended
that the operators do all of the following EXCEPT - answer Take complete medical
histories
Ideally, a lead apron would be used - answer For any dental radiographs
A full mouth radiographic series has just been processed manually. The operator notes
that the films on the button of the rack are of different density. What could have caused
this? - answer Solutions were not stirred before processing
A film that has been exposed to scattered radiation will appear - answer Fogged
X-ray exposure time should be increased if the patient is - answerA large adult
Before exposing a panoramic radiograph on a patient, the operator should request the
removal of all of the following EXCEPT: - answerWatch
A parent refuses for i have radiographs taken on his/her child. The dental assistant
should - answerInform the dentist and document Parent's refusal
Incorrect horizontal angulation of the primary beam produces - answerOverlapping of
proximal surfaces
Where is the radiographic landmark incisive foramen usually located - answerMaxillary
anterior
Cephalometric radiographs are primarily indicated to evaluate - answerJaw
relationships
When taking a panoramic radiograph, the patient's head should be oriented -
answerwith the midsagittal plane perpendicular to the floor
Which of the following is MOST likely to contribute to the fogging of x - ray film -
answerlight leaks in the dark room
, Which of the following conditions will result in a radiographic image that is too light? -
answerWeak developing solution
The purpose of using film - holding devices when taking intraoral radiographs is to -
answerAssist in correct film placement
A film with thin density and a herringbone pattern across it is the result of: - answerFilm
packet reversal
A full mouth radiographic survey has just been processed manually. The top films on
the processing rack have a straight, clear border on the upper edge. This error is
caused by - answerToo low a level of developer solution
Using a faster speed film requires - answershorter exposure time
The life expectancy of radiographic processing solution depends upon all of the
following EXCEPT - answertemperature of the solution
Insufficient washing of processed radiographic film will result in a - answerBrownish -
yellow stain on the radiograph
A radiograph turns brown over time. The MOST likely cause is - answerUnder washing
When processing a radiograph, the darkroom overhead light was off, the safety light
was on, and the door was slightly open. What effect will exposure to minor amounts of
room light have on the processed radiograph? It will appear - answerBlack
Density of a radiograph is controlled by all of the following EXCEPT - answerOFD
[[object film distance]]
Which method is considered MOST effective for handling and processing radiographs to
prevent microbial contamination? - answercover with barrier envelopes
A person exposing x-rays can BEST be protected from scattered radiation by -
answerstanding behind a lead barrier
Radiographs mounted with the raised portions of the dots toward the observer (labial
mounting) are examined as though the observer is - answerOutside the mouth looking
in
A film accidentally exposed to white light between developing and fixing will appear -
answerdark
Stirring the developing and fixing solutions before manually processing films will -
answerProvide uniform concentrations
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