Rad Review Easy Part 6

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Author:
ethinsmom
ID:
208249
Filename:
Rad Review Easy Part 6
Updated:
2013-03-19 09:39:31
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Rad Review Easy Part
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Rad Review Easy Part 6
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  1. The phototimer is located ______ the IR.
    Below
  2. For every 1" of OID, _____ SID ___ inches
    Increase, 7"
  3. Increase SID, ___ exposure rate, ____ density
    Decrease, decrease
  4. mAs is _____ proportional to density
    directly
  5. An increase to kV does what to exposure latitude?
    Increase
  6. Density equals ?
    mAs
  7. Contrast equals ?
    kV
  8. Low contrast equals ?
    • long scale
    • lots of gray
    • high kV
  9. Factors that effect recorded detail:
    • FSS
    • OID
    • SID
    • screen speed
    • motion
    • good film/screen contact
  10. Air gap _____ contrast
    increases
  11. Air gap acts as a ___?
    Grid
  12. Photoelectric effect, kV needs to be _____.
    Low
  13. Higher the kV, ______ scatter.
    more
  14. Grid cutoff contributes to lack of _____ on an image.
    density
  15. Examples of size distortion
    magnification
  16. Examples of shape distortion
    elongation and foreshortening
  17. An increase in SID:
    ____ magnification
    ____ recorded detail
    • decreases
    • increases
  18. An increase in OID:
    ____ magnification
    ____ recorded detail
    • Increases
    • decreases
  19. Recorded detail is ____ related to SID.
    directly
  20. Anode heel effect has a greater intensity at the ____ end.
    Cathode

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