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Radiographic Intensifying Screen Quiz
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Radiographic Intensifying Screen Quiz

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Questions and Answers

What is the major disadvantage of using calcium tungstate as a phosphor for radiographic imaging?

  • Increased sharpness of the image
  • Decreased patient dose
  • Reduced thermal stress on the x-ray tube
  • Decreased sharpness of the image (correct)

    • Which phosphor emits light in the green region of the spectrum?

  • Yttrium
  • Lanthanum oxybromide
  • Gadolinium oxysulfide (correct)
  • Barium lead sulfate

    • Why are rare earth elements preferred in radiographic imaging intensifying screens?

  • They convert x-ray energy to light more efficiently (correct)
  • They have a low patient dose
  • They emit UV light
  • They emit blue light

    • Which phosphor is particularly used with high kilovolt peak (kVp) techniques?

    <p>Barium lead sulfate</p> Signup and view all the answers

    What favorable property is influenced by the thickness, concentration, and size of the phosphor crystal in a radiographic intensifying screen?

    <p>Improved screen efficiency</p> Signup and view all the answers

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