Radiology #4

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  • 1/8 Questions

    Filters are used in the xray beam to

    • Increase density
    • Reduce density
    • Reduce exposure size of the beam
    • Reduce patient radiation dose
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  • 2. 

    You have taken a radiograph of a patient with a large skeletal build . the resulting image does not show the bone trabeculation well and appers to underpenetrated. the adjustment that should be made for the retake is

    • Reduce the ma

    • Reduce the exposure time

    • Increase the kvp

    • Reduce the kvp

    • Check the processing solution temperature

    Correct Answer
    A. Increase the kvp
  • 3. 

    In taking the radiograph you did not center the beam on the film in the patient mouth. the resulting film will show

    • Fogging

    • Overlapping

    • Elongation

    • Collimator cutoof cone cutting

    • Foreshortening

    Correct Answer
    A. Collimator cutoof cone cutting
  • 4. 

    The milliampere control dial on the dental x ray mchine

    • Regulates the step up transformer

    • Determines the penetration of the x ray

    • Regulates the guality of the radiation

    • Regulates the quantity of the radiation

    • Regulates scatter radiation

    Correct Answer
    A. Regulates the quantity of the radiation
  • 5. 

    The radiation inspector comes to your office and tells you that your x ray beam has an hvl of 1.00mm of aluminum you should

    • Feel assured theat the beam mets the recommended standards

    • Be concerned becaused of the unnecessary seconday radiation to your patients

    • Be concerned because the beam is too penetrating

    • Add more filtration

    • Use a different pid

    Correct Answer
    A. Be concerned becaused of the unnecessary seconday radiation to your patients
  • 6. 

    Proper collimation of the x ray beam fog film size and focal film distance will

    • Improve image definition

    • Increase radiographic contrast

    • Increase the intensity of the central beam

    • Increase secondary radiation

    • Reduce primary radiation

    Correct Answer
    A. Reduce primary radiation
  • 7. 

    The dental x ray machine in your office operates at 90kvp and thus is required to have a total filtration of

    • 2.75 inches of aluminum

    • 2.5 inches of aluminum

    • 2.0 mm of aluminum

    • 2.5mm of aluminum

    • 1.5 mm of aluminum

    Correct Answer
    A. 2.5mm of aluminum
  • 8. 

    The best way to describe the penetration of an x ray beam is by its

    • Half value layer

    • Kilovoltage

    • Milliamperage

    • Rad output

    • Roentgen output

    Correct Answer
    A. Half value layer

Quiz Review Timeline (Updated): Mar 15, 2022 +

Our quizzes are rigorously reviewed, monitored and continuously updated by our expert board to maintain accuracy, relevance, and timeliness.

  • Current Version
  • Mar 15, 2022
    Quiz Edited by
    ProProfs Editorial Team
  • Aug 10, 2010
    Quiz Created by
    Yarilsa
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