Image Acquisition And Evaluation

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Author:
Mariyah
ID:
306196
Filename:
Image Acquisition And Evaluation
Updated:
2015-08-08 20:55:18
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Mariyah
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Description:
Part 2
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  1. The distance From the anatomical part being imaged to the IR id called
    OID
  2. Increased OID causes what
    Magnification
  3. The distance from the source of radiation to the IR is called
    SID
  4. Magnification does what to recorded detail
    Reduces
  5. Short SID causes what
    Magnification
  6. Using Large Focal spot size ______ sharpness of recorded detail
    Decreases
  7. What are the 2 types of Distortion
    Size and Shape
  8. what is the material used in grids
    Aluminum and lead
  9. Decreased density along the periphery of the image caused by absorption of the image forming x-rays is called
    Grid Cut off
  10. Grid error  resulting in normal density in the middle of the radiograph with decreased density on the sides is called
    up-side down grid error
  11. Grid error resulting in cut-off reduced density all over the radiograph
    Off -Level grid error
  12. The number of lead per inch on a grid is called
    Grid Frequency
  13. The hight of the lead strips in a grid divided by The distance between the lead strips is called
    Grid Ratio

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