ARRT

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Author:
fongpay03
ID:
220735
Filename:
ARRT
Updated:
2013-05-22 21:14:07
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ARRT
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ARRT
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  1. percentage of background radiation is?
    50%
  2. CT effective dose is?
    1.47 mSv
  3. percentage of CT radiation is?
    24%
  4. percentage of medical background radiation is?
    48%
  5. average effective dose for chest
    0.1 mSv
  6. average effective dose for c spine
    0.2 mSv
  7. average effective dose for chest
  8. average effective dose for t spine
    1.0 mSv
  9. average effective dose for l spine
    1.5 mSv
  10. average effective dose for upper gi
    6.0 mSv
  11. average effective dose for abdomen KUB
    0.7 mSv
  12. average effective dose for pelvis and hip
    0.7 mSv
  13. average effective dose for extremities
    negligible - 0.0005-0.008 mSv
  14. what NCRP report # contains recommendations for annual dose limits?
    NCRP #116
  15. occupational exposure - annual effective dose
    50 mSv
  16. occupational exposure - lens of the eye
    150 mSv
  17. occupational exposure - localized areas of skin, hands feet
    500 mSv
  18. cumulative effective dose limit
    age X 1 rem (10 mSv)
  19. general public - annual effective dose for frequent exposures
    1 mSv
  20. general public - annual effective dose for infrequent exposures
    5 mSv
  21. embryo-fetus - total equivalent dose for gestation
    5 mSv
  22. embryo-fetus - total equivalent dose per month
    0.5 mSv
  23. OSL
    made out of?
    sensitive to exposure of how much?
    can be worn for how long?
    • aluminum oxide
    • 1 mrem
    • 3 months at a time
  24. TLD
    made out of?
    sensitive to exposure of how much?
    can be worn for how long?
    • lithium fluoride crystals
    • 5 mrem
    • can be worn for longer periods of time
  25. film badges
    sensitive to exposure of how much?
    can be worn for how long?
    • 10 mrem
    • monthly
  26. cell radiosensitivity is described by which law?
    law of bergonie and tribondeau
  27. what do you use to test for filtration-beam quality?
    dosimeter, HVL
  28. what do you use to test for effective focal spot size?
    should be within how many %?
    • slit camera, pinhole camera, star test pattern
    • 50%
  29. kVp test must be within how much kVp?
    4 kVp
  30. what do you use to test for exposure linearity?
    should not be more than how much %?
    • dosimeter; mA-time combinations
    • should be within 10%
  31. what do you use to test for exposure reproducibility?
    should not be more than how much %?
    • dosimeter; tests with kVp, mA, and time
    • should be within 5%
  32. what do you use to test for fluoroscopy exposure rate?
    ESE should not be more than?
    • dosimeter
    • ESE should not be more than 10 rads/min
  33. what NCRP report # addressed the dose, from all sources, to the population of the US?
    NCRP report #160

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