Nrc Trivia

85 Questions

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Game Quizzes & Trivia

NRC trivia for radiology oral boards


Questions and Answers
  • 1. 
  • 2. 
  • 3. 
    If package is received during normal working hours, it must be monitored within _____ hours.
  • 4. 
    If a package is received after hours, it must be monitored within 3 hours from beginning of _____ _____ _____.
  • 5. 
    The external surface of a labeled package must be monitored for radioactive contamination which is considered greater than _____ dpm/package
  • 6. 
    Radioactive white I package, max external radiation level: _____ mrem/hr
  • 7. 
    Radioactive yellow II package, max external radiation level: _____ mrem/hr
  • 8. 
    Radioactive yellow III package, max external radiation level: _____ mrem/hr
  • 9. 
  • 10. 
    Which type of package has a max radiation limit of 200 mrem? Choices are white I, yellow II or yellow III?
  • 11. 
    Which type of package has a max radiation limit of 0.5 mrem? Choices are white I, yellow II or yellow III?
  • 12. 
    If contamination or radiation level is greater than _____ mrem/hr or _____ mrem/hr at 1 m, you must notify the final delivery carrier and NRC or State by telephone. Please just type number with a comma and space separating your second number (e.g., 8, 5)
  • 13. 
    If contamination or radiation level is greater than _____ mrem/hr at 1 m or _____ mrem/hr, you must notify the final delivery carrier and NRC or State by telephone. Please just type number with a comma and space separating your second number (e.g., 8, 5)
  • 14. 
  • 15. 
    With regards to the dose limit during pregnancy the dose limit relates to the _____ dose to the _____.
  • 16. 
    If _____ mrem has been reached before pregnancy has been declared, an additional fetal dose of _____ mrem can be given.
  • 17. 
    A white I package label is usually placed on what type of package? (Choices are radiopharmaceutical, radioimmunoassay or generator)
  • 18. 
    A yellow II package label is usually placed on what type of package? (Choices are radiopharmaceutical, radioimmunoassay or generator)
  • 19. 
    A yellow III package label is usually placed on what type of package? (Choices are radiopharmaceutical, radioimmunoassay or generator)
  • 20. 
    Effective dose to infant should not exceed _____ mrem.
  • 21. 
    If dose is likely to exceed _____ mrem during pregnancy, then instructions must be provided
  • 22. 
    • A. 

      Don't need to stop

    • B. 

      0-24 hrs

    • C. 

      1-4 weeks

    • D. 

      Stop for remainder of pregnancy

  • 23. 
    • A. 

      Don't need to stop

    • B. 

      0-24 hrs

    • C. 

      1-4 weeks

    • D. 

      Stop for remainder of pregnancy

  • 24. 
    • A. 

      Don't need to stop

    • B. 

      0-24 hrs

    • C. 

      1-4 weeks

    • D. 

      Stop for remainder of pregnancy

  • 25. 
    • A. 

      Don't need to stop

    • B. 

      0-24 hrs

    • C. 

      1-4 weeks

    • D. 

      Stop for remainder of pregnancy

  • 26. 
  • 27. 
    Hand doses are typically 0.5-1  ________. Please pick correct units
    • A. 

      Rad/hr/mCi

    • B. 

      MGy/hr/mCi

    • C. 

      Rad/min/mCi

    • D. 

      MGy/min/mCi

    • E. 

      Rad/hr/uCi

    • F. 

      MGy/hr/uCi

    • G. 

      Rad/min/uCi

    • H. 

      MGy/min/uCi

  • 28. 
  • 29. 
    Syringe shields don't have to be labeled as long as there is a label on the syringe itself.
    • A. 

      True

    • B. 

      False

  • 30. 
    By what factor do syringe shields reduce dose? Express as a numerical answer (e.g., 1, 2, 3, 4, 5)
  • 31. 
  • 32. 
  • 33. 
    On which finger should you place your ring dosimeter (1st, 2nd, 3rd, 4th, or 5th)?
  • 34. 
  • 35. 
    Okay, now the annual occupational dose limits, express your answer in rem (remember not mrem like the rest!). What is the maximum effective dose to body?
  • 36. 
    Okay, now the annual occupational dose limits, express your answer in rem (remember not mrem like the rest!). What is the maximum effective dose to the eye?
  • 37. 
    Okay, now the annual occupational dose limits, express your answer in rem (remember not mrem like the rest!). What is the maximum effective dose to any organ or tissue?
  • 38. 
    Again, what is the maximal fetal dose during pregnancy (express your answer in mrem)?
  • 39. 
    Anything beyond what level do you need to post a sign?
    • A. 

      Unrestricted area

    • B. 

      Radiation area

    • C. 

      High Radiation Area

    • D. 

      Very High Radiation Area

  • 40. 
    Immediate NRC notification usually required at ____ times annual occupational dose limits and within ___ hours of exceeding limits. Please just use numerical answers and place a comma between each (e.g., 8, 50)
  • 41. 
    A radiation area sign must be posted if there is > _____ mrem/hr at ____ cm from a source. Numbers only separated by comma (e.g., 8, 50).
  • 42. 
    A high radiation area sign must be posted if there is > _____ mrem/hr at ____ cm from a source. Numbers only separated by comma (e.g., 8, 50).
  • 43. 
    An unrestricted area must be < _____ mrem in 1 hr and < ____ mrem over 7 consecutive days. Numbers only separated by comma (e.g., 8, 50).
  • 44. 
    Caution Radioactive Materials posting required where licensed material is used, stored or likely airborne.
    • A. 

      True

    • B. 

      False

  • 45. 
    • A. 

      100 mCi Tc-99m

    • B. 

      100 mCi Tl-201

    • C. 

      10 mCi Ga-67

    • D. 

      10 mCi I-123

    • E. 

      1 mCi I-131

    • F. 

      1 mCi Sr-89

    • G. 

      50 mCi Tc-99m

    • H. 

      5 mCi Ga-67

    • I. 

      1 mCi Ga-67

    • J. 

      10 mCi Tl-201

    • K. 

      1 mCi I-123

  • 46. 
    If I-131 was involved in a spill, what might you consider administering?
  • 47. 
    In order to legally be considered a pregnant worker, you must present a declaration how? (in writing or verbally). Easy one, sorry.
  • 48. 
    The maximum permissible whole body dose to an occupationally exposed individual for one year and to a declared pregnant worker for the 9 months of gestation are, respectively:
    • A. 

      500 mRem, 100 mRem

    • B. 

      1000 mRem, 500 mRem

    • C. 

      5000 mRem, 500 mRem

    • D. 

      A pregnant worker is not permitted to work with radiation until after the birth of her baby

  • 49. 
    Our occupational dose limits for whole body and extremities are, respectively:
    • A. 

      5 Rem and 50 Rem

    • B. 

      50 Rem and 5 Rem

    • C. 

      15 Rem and 50 Rem

    • D. 

      5 Rem and 15 Rem

  • 50. 
    Our occupational dose limits for the lens of the eye is:
    • A. 

      5 Rem

    • B. 

      15 Rem

    • C. 

      25 Rem

    • D. 

      50 Rem

  • 51. 
    If you have accumulated 1,000 mRem at your former institution as of March 30, 2011, and changed jobs on April 1, 2011, you will be permitted 5,000 additional mRem for the remainder of the calendar year at your new facility. True/False?
    • A. 

      True

    • B. 

      False

  • 52. 
    • A. 

      Monthly

    • B. 

      Quarterly

    • C. 

      Semi-annually

    • D. 

      Annually

  • 53. 
    • A. 

      At installation and daily

    • B. 

      At installation and quarterly

    • C. 

      At installation and annually

    • D. 

      At installation and after any repairs

  • 54. 
    • A. 

      At installation and daily

    • B. 

      At installation and quarterly

    • C. 

      At installation and annually

    • D. 

      At installation and after any repairs

  • 55. 
    • A. 

      At installation and daily

    • B. 

      At installation and quarterly

    • C. 

      At installation and annually

    • D. 

      At installation and after any repairs

  • 56. 
    • A. 

      At installation and daily

    • B. 

      At installation and quarterly

    • C. 

      At installation and annually

    • D. 

      At installation and after any repairs

  • 57. 
    One is permitted to designate one sink in the laboratory as a "HOT SINK" for disposal of low-activity radioactive waste. The institutional limit for all hot sinks is?
    • A. 

      10 Ci per year for all isotopes

    • B. 

      1 Ci per year for all isotopes

    • C. 

      100 mCi per year for all isotopes

    • D. 

      There is no legal limit

  • 58. 
    All administered doses must be within ____% of the prescribed dose.
  • 59. 
    A recordable event is incorrect radiopharmaceutical administered to patient OR diagnostic dose differing from prescribed by > 20% OR administration by an unprescribed route AND whole body dose < ____ R and single organ dose < _____ R. Express answer numerically (e.g., 8, 50).
  • 60. 
    A reportable event is incorrect radiopharmaceutical administered to patient OR diagnostic dose differing from prescribed by > 20% OR administration by an unprescribed route AND single organ dose > ____ R and whole body dose > _____ R. Express answer numerically (e.g., 8, 50).
  • 61. 
    The three most significant sources of our background radiation include
    • A. 

      Cosmic rays

    • B. 

      Flying in aircraft

    • C. 

      Global fallout

    • D. 

      Internal radioactivity

    • E. 

      Nuclear power plants

    • F. 

      Radon and other terrestrial sources

  • 62. 
    A radiation area is one in which an individual could receive a dose equivalent of _____ mRem in 1 hour at a distance of 30 cm from the source.
    • A. 

      1

    • B. 

      5

    • C. 

      50

    • D. 

      100

  • 63. 
    A high radiation area is one in which an individual could receive a dose equivalent of _____ mRem in 1 hour at a distance of 30 cm from the source.
    • A. 

      1

    • B. 

      5

    • C. 

      50

    • D. 

      100

  • 64. 
    A very high radiation area is one in which an individual could receive an absorbed dose in excess of _____ rads in 1 hour at a distance of 1 meter from the source.
    • A. 

      5

    • B. 

      50

    • C. 

      500

    • D. 

      5000

  • 65. 
  • 66. 
  • 67. 
    An individual must be monitored for radiation dose with a film badge if his dose is likely to exceed ____ % of the MPD.
  • 68. 
    The institution in which you are completing your Radiology Residency has a _____ scope license
    • A. 

      Specific

    • B. 

      General

    • C. 

      Broad

  • 69. 
    A GM Survey of your lab and a wipe test must be performed _______ and _______, respectively. What are the recommendations, as though the correct answer is none of the above since you should do what's reasonable under the circumstances.
    • A. 

      Daily and daily

    • B. 

      Daily and weekly

    • C. 

      Weekly and daily

    • D. 

      Weekly and weekly

    • E. 

      None of the above

  • 70. 
  • 71. 
    NRC regulations. Who is the licensee?
    • A. 

      Director of Nuclear Medicine

    • B. 

      Director of Radiology

    • C. 

      Directors of Nuclear Medicine & Radiology

    • D. 

      The institution

    • E. 

      Each individual user of Radioactivity

  • 72. 
    By coincidence, both hand monitoring and treadmill monitoring are required on a _____ basis.
    • A. 

      Hourly

    • B. 

      Twice daily

    • C. 

      Daily

    • D. 

      Weekly

  • 73. 
    Within what limits must the expected and measured readings on a dose calibrator be?
    • A. 

      5%

    • B. 

      10%

    • C. 

      15%

    • D. 

      20%

  • 74. 
    • A. 

      Dose calibrator or multichannel analyzer

    • B. 

      Thin layer chromatography

    • C. 

      Colorimetric

  • 75. 
    • A. 

      Dose calibrator or multichannel analyzer

    • B. 

      Thin layer chromatography

    • C. 

      Colorimetric

  • 76. 
    • A. 

      Dose calibrator or multichannel analyzer

    • B. 

      Thin layer chromatography

    • C. 

      Colorimetric

  • 77. 
  • 78. 
  • 79. 
    • A. 

      5 mR/hr at 1 m from chest

    • B. 

      5 mR/hr at 10 cm from chest

    • C. 

      7 mR/hr at 1 m from chest

    • D. 

      7 mR/hr at 10 cm from chest

    • E. 

      None of the above

  • 80. 
    • A. 

      5 mR/hr at 1 m from chest

    • B. 

      5 mR/hr at 10 cm from chest

    • C. 

      7 mR/hr at 1 m from chest

    • D. 

      7 mR/hr at 10 cm from chest

    • E. 

      None of the above

  • 81. 
    A patient was treated with I-131 NaI for thyroid cancer. Which signs must be on the door to the room in which he was treated?
    • A. 

      Caution: Radioactive Materials

    • B. 

      Caution: Radiation Area

    • C. 

      Caution: Airborne Radioactivity Area

    • D. 

      None of the Above

  • 82. 
    Which sign for hot lab door?
    • A. 

      A

    • B. 

      B

    • C. 

      C

    • D. 

      D

  • 83. 
    Which sign for imaging room?
    • A. 

      A

    • B. 

      B

    • C. 

      C

    • D. 

      D

  • 84. 
    Which sign for nuclear power plant use?
    • A. 

      A

    • B. 

      B

    • C. 

      C

    • D. 

      D

  • 85. 
    Which sign for Xe-133 Vent Room
    • A. 

      A

    • B. 

      B

    • C. 

      C

    • D. 

      D