Dental Radiography Safety and Positioning Quiz
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Questions and Answers

Which dental professionals can serve as dental radiographers in a typical dental practice?

  • Dental hygienists
  • Dental assistants
  • Dentists
  • All of the above (correct)
  • What are some of the responsibilities of a dental radiographer in regard to dental imaging?

  • Positioning and exposure of dental x-ray imaging receptors
  • Processing of dental x-ray films
  • Education of patients about dental imaging
  • All of the above (correct)
  • What should the dental radiographer do to avoid occupational exposure to x-radiation?

  • Avoid the primary beam
  • Maintain an adequate distance
  • Use proper shielding
  • All of the above (correct)
  • Which of the following measures can minimize radiation exposure for both the dental patient and the dental radiographer?

    <p>Using equipment that complies with state and federal radiation guidelines</p> Signup and view all the answers

    What is the first step in limiting the amount of x-radiation received by a dental patient?

    <p>Proper prescribing, or ordering, of dental images</p> Signup and view all the answers

    What is added filtration in the dental x-ray tubehead?

    <p>Placement of aluminum disks in the path of the x-ray beam</p> Signup and view all the answers

    Where should the radiation badge be worn?

    <p>At the waist</p> Signup and view all the answers

    What is the radiation exposure limit for pregnant dental personnel?

    <p>0.5 mSv/month</p> Signup and view all the answers

    What does MPD stand for in the context of radiation safety?

    <p>Maximum Permissible Dose</p> Signup and view all the answers

    What is the cumulative occupational dose recommended for a 20-year-old worker?

    <p>200 mSv</p> Signup and view all the answers

    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?

    <p>1.5 mm</p> Signup and view all the answers

    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%?

    <p>Rectangular collimator</p> Signup and view all the answers

    Which PID would decrease patient exposure the most?

    <p>16&quot; rectangular PID</p> Signup and view all the answers

    Which patient protection measure is recommended for all intraoral exposures and is used to protect the thyroid gland from scatter radiation?

    <p>Thyroid collar</p> Signup and view all the answers

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