14 Questions
Which dental professionals can serve as dental radiographers in a typical dental practice?
All of the above
What are some of the responsibilities of a dental radiographer in regard to dental imaging?
All of the above
What should the dental radiographer do to avoid occupational exposure to x-radiation?
All of the above
Which of the following measures can minimize radiation exposure for both the dental patient and the dental radiographer?
Using equipment that complies with state and federal radiation guidelines
What is the first step in limiting the amount of x-radiation received by a dental patient?
Proper prescribing, or ordering, of dental images
What is added filtration in the dental x-ray tubehead?
Placement of aluminum disks in the path of the x-ray beam
Where should the radiation badge be worn?
At the waist
What is the radiation exposure limit for pregnant dental personnel?
0.5 mSv/month
What does MPD stand for in the context of radiation safety?
Maximum Permissible Dose
What is the cumulative occupational dose recommended for a 20-year-old worker?
200 mSv
According to state and federal laws, dental x-ray machines operating at or below 70 kilovoltage (kV) require a minimum total of how much aluminum filtration?
1.5 mm
What type of collimator restricts the size of the x-ray beam to an area slightly larger than a size 2 intraoral receptor and reduces patient exposure by 60%?
Rectangular collimator
Which PID would decrease patient exposure the most?
16" rectangular PID
Which patient protection measure is recommended for all intraoral exposures and is used to protect the thyroid gland from scatter radiation?
Thyroid collar
Test your knowledge on dental radiography safety and positioning with this quiz. Learn about the optimal angle for the dental radiographer while taking dental images and understand the importance of radiation monitoring for both equipment and personnel.
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