Xray-grids, Filters, And Radiation Interactions

12 Questions | Total Attempts: 1170

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Xray Quizzes & Trivia

Questions and Answers
  • 1. 
    What would the grid ratio be with a height of 4cm and a width of .25cm?
    • A. 

      16:1

    • B. 

      12:1

    • C. 

      8:1

    • D. 

      5:1

  • 2. 
    The lead strips in a grid are made of
    • A. 

      Lead

    • B. 

      Aluminum

    • C. 

      Plastic fibers

    • D. 

      Aluminum and plastic

  • 3. 
    The grid is coated with....
    • A. 

      Aluminum

    • B. 

      Titanium

    • C. 

      Lead

    • D. 

      Plastic

  • 4. 
    Grid frequency is the...
    • A. 

      Number of grid lines per inch

    • B. 

      Number of grid lines per centimeter

    • C. 

      Number of interspaces

    • D. 

      Number of lead strips

  • 5. 
    Why are linear grids more used in clinical applications?
    • A. 

      Better for tube angling

    • B. 

      Can handle more kvp

    • C. 

      Has more lead strips

    • D. 

      Has thicker lead strips

  • 6. 
    Inherent filtration is any filtration.....
    • A. 

      Inside the tube and housing

    • B. 

      Inside collimator

    • C. 

      Outside the collimator

    • D. 

      Inside tube housing and collimator

  • 7. 
    Added filtration occurs where?
    • A. 

      Outside the tube housing

    • B. 

      Inside tube housing

    • C. 

      Inside the bucky only

    • D. 

      Inside the collimator only

  • 8. 
    Compensation filters include which of the following (check all that apply)
    • A. 

      Wedge

    • B. 

      Trough

    • C. 

      K-edge

    • D. 

      Thoraeus

  • 9. 
    Filtration is also sometimes called what?
    • A. 

      Hardening of the beam

    • B. 

      Diverging of the beam

    • C. 

      Softening of the beam

    • D. 

      Strengthening of the beam

  • 10. 
    Which type of interaction involves no energy transfer?
    • A. 

      Coherent

    • B. 

      Compton

    • C. 

      Bremsstrahlung

    • D. 

      Photoelectric

  • 11. 
    What interaction involves a incident electron interacting with an inner shell electron?
    • A. 

      Photoelectric

    • B. 

      Bremsstrahlung

    • C. 

      Characteristic

    • D. 

      Compton

  • 12. 
    In a characteristic interaction, which electron movement will be diagnostically relevant?
    • A. 

      drop into K shell

    • B. 

      Drop into L shell

    • C. 

      Drop into M shell

    • D. 

      All of the above

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