AEC

Card Set Information

Author:
Brie
ID:
135998
Filename:
AEC
Updated:
2012-02-17 13:05:32
Tags:
AEC
Folders:

Description:
How would changes effect image quality
Show Answers:

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  1. How would increasing kVp effect
    Exposure time
    Density
    Contrast
    Patient dose on this exposure
    Repeat needed
    • Decreased exposure time
    • No effect on density
    • Decreased contrast
    • Decreased patient dose
    • No repeat needed
  2. How would an increase in mA effect
    Exposure time
    Density
    Contrast
    Patient dose on this exposure
    Repeat needed
    • Decrease exposure time
    • No effect on denisty
    • No effect on contrast
    • No effect on patient dose
    • No repeat needed
  3. How would using a faster film/screen than unit is calibrated for effect
    Exposure time
    Density
    Contrast
    Patient dose on this exposure
    Repeat needed
    • No effect on exposure time
    • Increase density
    • No effect on contrast
    • No effect on patient dose
    • Repeat needed
  4. How would the use of the middle cell on a PA chest effect
    Exposure time
    Density
    Contrast
    Patient dose
    Repeat needed
    • Increase exposure time
    • Increase density
    • No effect on contrast
    • Increase patient dose
    • Yes repeat needed
  5. How would an increase in SID effect
    Exposure Time
    Density
    Contrast
    Patient dose
    Repeat needed
    • Increase in exposure time
    • No effect on density
    • No effect on contrast
    • No effect on patient dose
    • No repeated needed
  6. How would collimating smaller than a cell effect
    Exposure time
    Density
    Contrast
    Patient dose
    Repeated needed
    • Increase exposure time
    • Increase density
    • No effect on contrast
    • Increase patient dose
    • Yes repeated needed
  7. How would using a +1 density selection effect
    Exposure time
    Density
    Contrast
    Patient dose
    Repeat needed
    • Increase exposure time
    • Increase density
    • No effect on contrast
    • Increase patient dose
    • Yes repeat needed
  8. How would using a -2 density selection effect
    Exposure time
    Density
    Contrast
    Patient dose
    Repeat needed
    • Decrease exposure time
    • Decrease density
    • No effect on contrast
    • Decrease patient dose
    • Yes repeat needed
  9. How would using a large focal spot instead of a small effect
    Exposure time
    Density
    Contrast
    Patient dose
    Repeat needed
    • No effect on exposure time
    • No effect on density
    • No effect on contrast
    • No effect on patient dose
    • No repeat needed
  10. How would decreasing kVp effect
    Exposure time
    Density
    Contrast
    Patient dose
    Repeat needed
    • Increase exposure time
    • No effect on density
    • Increase contrast
    • Increase patient dose
    • No repeat needed
  11. How would decreasing mA effect
    Exposure time
    Density
    Contrast
    Patient dose
    Repeat needed
    • Increase exposure time
    • No effect on density
    • No effect on contrast
    • No effect on patient dose
    • No repeat needed
  12. How would an increase in backup time effect
    Exposure time
    Density
    Contrast
    Patient dose
    Repeat needed
    • No effect on exposure time
    • No effect on density
    • No effect on contrast
    • No effect on patient dose
    • No repeat needed
  13. How would a decrease in backup time with still more time than needed effect
    Exposure time
    Density
    Contrast
    Patient dose
    Repeat needed
    • No effect on exposure time
    • No effect on density
    • No effect on contrast
    • No effect on patient dose
    • No repeat needed
  14. How would a decrease in back up time less than needed effect
    Exposure time
    Density
    Contrast
    Patient dose
    Repeat needed
    • Decrease exposure time
    • Decrease density
    • No effect on contrast
    • Decrease patient dose
    • Yes repeat needed
  15. How would using a slower film/screen than unity is calibrated for effect
    Exposure time
    Density
    Contrast
    Patient dose
    Repeat needed
    • No effect on exposure time
    • Decrease density
    • No effect on contrast
    • No effect on patient dose
    • Yes repeat needed
  16. How would using a 200 speed system when the unit if calibrated for 400 effect
    Exposure time
    Density
    Contrast
    Patient dose
    Repeat needed
    • No effect on exposure time
    • Decrease density
    • No effect on contrast
    • No effect on patient dose
    • Yes repeat needed
  17. How would using a 64 speed system when the unit is calibrated for 200 effect
    Exposure time
    Density
    Contrast
    Patient dose
    Repeat neeeded
    • No effect on exposure time
    • Decrease ensity
    • No effect on contrast
    • No effect on patient dose
    • Yes repeat needed
  18. How would suing a 600 speed system when unit is calibrated for 400 effect
    Exposure time
    Density
    Contrast
    Patient dose
    Repeat needed
    • No effect on exposure time
    • Increase density
    • No effect on contrast
    • No effect on patient dose
    • Yes repeat needed
  19. How would adding a positive contrast media effect
    Exposure time
    Density
    Contrast
    Patient Dose
    Repeat needed
    • Increase exposure time
    • Increase density
    • Increase contrast
    • Increase patient dose
    • No repeat needed
  20. How would adding a negative contrast media effect
    Exposure time
    Density
    Contrast
    Patient dose
    Repeat needed
    • Decrease exposure time
    • Decrease density
    • Increase contrast
    • Decrease patient dose
    • No repeat needed
  21. How would decreasing SID effect
    Exposure time
    Density
    Contrast
    Patient dose
    Repeat needed
    • Decrease exposure time
    • No effect on density
    • No effect on contrast
    • No effect on patient dose
    • No repeat needed

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