Title 17

Card Set Information

Author:
swtjo3joe
ID:
194613
Filename:
Title 17
Updated:
2013-02-05 01:03:21
Tags:
dose limits controlled areas embryo fetus personnel monitoring
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Description:
california radiation control regulations
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  1. what is the occupational dose limit to the whole body per year?
    5 rems
  2. what is the annual occupational dose limit to the eyes?
    15 rems
  3. what is the annual occupational dose limit to the skin or extremities?
    50 rems
  4. what is the annual occupational dose limit to the embryo/fetus during the 9 month gestation?
    0.5 rem
  5. radiation levels in uncontrolled areas cannot exceed how much in any hour?
    2 mrem
  6. radiation levels in uncontrolled areas cannot exceed how much in one year?
    0.1 rem
  7. it is required that personnel monitoring be provided to an occupational exposed individual who is likely to receive a dose in excess of how much in a year?
    0.5 rem
  8. within how many days are required for an individual to register a reputable source of radiation after acquisition?
    30 days
  9. every person who intends to acquire a radiation machine capable of operating at 500 kVp shall notify the department at least how many days prior to possession or construction?
    60 days
  10. registration for each source of radiation shall be renewed during when?
    during july of every even numbered year
  11. the registrant shall report in writing to the Department within how many days about any change in registrant's name, address, location of the installation or receipt, sale, transfer, disposal, or discontinuance of use of any source of radiation?
    30 days
  12. immediate notification of overexposure of how much is required to be made to the department?
    • whole body dose of 25 rems or more
    • skin dose of 150 rems or more
    • extremity dose 375 rems or more
  13. 24 hour notification of overexposure of how much is required to be made to the department?
    • whole body dose of 5 rems or more
    • skin dose of 30 rems or more
    • extremity dose of 75 rems or more
  14. fluoro machines' target-to-panel or target-to-table top distance should not be less than how many inches?
    18 inches
  15. fluoro machines' target-to-panel or target-to-table top distance cannot not be less than how many inches?
    12 inches
  16. the total filtration permanently in the useful beam shall not be less than how many?
    2.5 mm aluminum
  17. the exposure rate measured at the point where the center of the useful beam enters a pt shall not exceed by how much?
    5R/min
  18. what type of objects that are equivalent to a phantom can be used to measure the useful beam?
    9 inches of water7-7/8 inches of lucite
  19. where should the exposure rate be measured if the x-ray tube is below the table?
    1 cm above the table top
  20. where should the exposure rate be measured if the x-ray tube is above the table?
    30 cm above the tabletop
  21. in a c-arm type of fluoroscope, where should the exposure rate be measured?
    30 cm from the input surface of the fluoroscopic imaging assembly
  22. true or false: conventional fluoroscopic screens shall not be used
    true
  23. true or false: it shall be impossible to operate a machine when the collimating cone or diaphragm is not in place
    true
  24. how thick should the bucky slot cover be?
    0.25 mm lead
  25. how thick should the protective drapes be?
    0.25 mm lead
  26. what type of barriers are needed for fluoroscopic rooms?
    • secondary
    • primary if its a dual x-ray/fluoro room
  27. protective aprons of at least how much lead equivalent shall be worn in the fluoro room by each personnel?
    0.25 mm lead
  28. the operator shall monitor the tube current at least how many times a week on fluoroscopes with AEC controls?
    once a week
  29. tubes that can operate below 50 kvp must have a minimum of how much total filter? for 50-70 kvp? for 70 kvp and above?
    • 0.5 mm
    • 1.5 mm
    • 2.5 mm
  30. primary barriers in walls shall extend to a minimum height of how much?
    80 inches above the floor
  31. the operator's station at the control shall be behind a protective barrier that intercepts the beam that has scattered how many times?
    at least once

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