Rt Quiz #1

24 Questions | Total Attempts: 326

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Radiation Therapy Quizzes & Trivia

This Quiz will test your basic knowledge of RT stuff YES this can be used for continuing education time! References*washington/leaver "principles and practice of radiation therapy"


Questions and Answers
  • 1. 
    Dr. Nijjar wants to weight a POP beam 2.5:1 ant : post. What is the percentage that you would place in the MU calculator for the ant beam
  • 2. 
    Code Brown what is it?
  • 3. 
    Dosimetry interlock, what do you do?
    • A. 

      Call Phil and ask for the code

    • B. 

      You know the code so you punch it in and continue

    • C. 

      Call a Med. Physicist and wait

    • D. 

      Get the patient off the bed and call TMG

    • E. 

      Tell the patient to hold still and go for coffee

  • 4. 
    What is the primary intetaction at work with 15mv photons
    • A. 

      Photoelectric effect

    • B. 

      Compton scatter

    • C. 

      Pair Production

    • D. 

      Rayleigh scattering

  • 5. 
    What are the 4 R's of radiobiology
    • A. 

      Repair

    • B. 

      Redistribution

    • C. 

      Repopulation

    • D. 

      Reorganization

    • E. 

      Reoxygenation

  • 6. 
    Tumors arising from mesenchymal cells are called_____________?
  • 7. 
    A common cause of malignant melanoma and basal cell carcinoma is*
    • A. 

      Radiant energy

    • B. 

      Epstein-Barr virus

    • C. 

      Polycyclic Hydrocarbons

    • D. 

      Asbestos

    • E. 

      Too much banter

  • 8. 
    All of these are bases in RNA EXCEPT*
    • A. 

      Adenine

    • B. 

      Guanine

    • C. 

      Uracil

    • D. 

      Thymine

  • 9. 
    What is the term that describes certain chemicals that enhance the response of cells to Radiation?*
    • A. 

      Radioprotectors

    • B. 

      Radiosensitizers

    • C. 

      Biologic rescue factors

    • D. 

      Free Radicals

  • 10. 
    Bremsstrahlung interactions occur:*
    • A. 

      At high energies in the patient

    • B. 

      At low energies in the patient

    • C. 

      In the target

    • D. 

      As the electrons are boiled off the target

  • 11. 
    On average what is the calculated change in output of the cobalt source per month in percentage.*
    • A. 

      .525%

    • B. 

      1.0%

    • C. 

      5.25%

    • D. 

      9.52%

    • E. 

      2.0%

  • 12. 
    How many bones in the lower leg? (knee down) including the foot
    • A. 

      12

    • B. 

      3

    • C. 

      29

    • D. 

      58

    • E. 

      23

  • 13. 
    Who dis?
  • 14. 
    What is the minimum number of feducial seeds needed to perform a marker match with OBI ?
  • 15. 
    Where is CARO this year?
  • 16. 
    HVL in lead for cobalt?
  • 17. 
    Re What is the maximum jaw opening in lenght (sup/inf) on TOMO?
    • A. 

      1cm

    • B. 

      2cm

    • C. 

      3cm

    • D. 

      4cm

    • E. 

      5cm

  • 18. 
    What is the best way to fight the spread of infection?
  • 19. 
    What is the annual dose limit for the general public in Sv?
    • A. 

      1 Sv

    • B. 

      10mSv

    • C. 

      1mSv

    • D. 

      100mSv

    • E. 

      50 mSv

  • 20. 
    What is the maximum dose a radiation worker can get in 5 years?
    • A. 

      50 mSv

    • B. 

      20 mSv

    • C. 

      1 Sv

    • D. 

      100 mSv

  • 21. 
    Which lymphatic vessel returns lymph from the entire body (except right arm upper right thorax head and neck)*
    • A. 

      Cisterna Chyli

    • B. 

      Thoracic Duct

    • C. 

      Right Lymphatic Duct

    • D. 

      Superior Vena Cava

    • E. 

      AC bypass valve

  • 22. 
    What does the GTV contain*
    • A. 

      Tumor

    • B. 

      Involved Lymphatics

    • C. 

      Normal Tissue

    • D. 

      All of the above

  • 23. 
    Cobalt treatment, pop beams 20cm sep, SSD technique. Where does the max dose fall?*
    • A. 

      Skin Surface

    • B. 

      Mid plane

    • C. 

      .5 cm below skin

    • D. 

      5 cm below skin

  • 24. 
    Dr. Xavier asks you to tell him what the V20 of the lungs to patient Ted is. What is he asking for?
    • A. 

      The dose that 20% of the lungs are getting

    • B. 

      The probability that the patient will have complications in 20 months

    • C. 

      The % of the lungs getting 20 Gy

    • D. 

      The dose that will spare 20% of the patients lung volume