Board Prep Tool

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Author:
RadiationTherapy
ID:
271584
Filename:
Board Prep Tool
Updated:
2014-04-27 11:08:28
Tags:
radiation therapy
Folders:
textbook review
Description:
Board Prep Tool (skeleton book)
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  1. 1 mSv is equal to ______ rem.
    A. 0.01
    B. 1.0
    C. 10
    D. 0.1
    D. 0.1

    1rem = 10mSv
    (this multiple choice question has been scrambled)
  2. Regarding linear accelerators, maximum photon energy is equal to the energy of the ____________ striking the target.
    maximum photon energy is equal to the energy of the ELECTRON striking the target
  3. If the total body is exposed to a dose of 4500 cGy in a single exposure, the most likely cause of death would be:
    A. infection & low blood counts
    B. severe damage to the intestines 
    C. cerebral edema
    D. death would not be likely from this dose
    C. cerebral edema

    (CNS syndrome occurs with doses of ≃ 5,000cGy and up)
    (this multiple choice question has been scrambled)
  4. What is the allowable cumulative exposure for a radiation worker?
    1 rem times the worker's age in years

    (10 mSv X age in years)
  5. Which of the following interactions are between an incident photon & an atomic nucleus?
    A. pair production
    B. coherent
    C. photoelectric
    D. compton
    A. pair production
    (this multiple choice question has been scrambled)
  6. A "star" shot on a linac is performed to test the rotational axis of the:
    1. collimator 2. couch 3. gantry
    A. 1 & 2
    B. 2 & 3
    C. 1 & 3
    D. 1, 2 & 3
    D. 1, 2 & 3
    (this multiple choice question has been scrambled)
  7. The average photon beam energy produced by a 6 mV linac is approx ____ mV:
    A. 6
    B. 2
    C. 4
    D. 9
    B. 2
    (this multiple choice question has been scrambled)
  8. Linear accelerators have which of the following type of target?
    A. waveguide
    B. rotating cathode
    C. hooded anode
    D. transmission
    D. transmission
    (this multiple choice question has been scrambled)
  9. According to the NRC, what is the MPD for those who are NOT trained radiation workers?
    A. 1.25 rem/yr
    B. 0.1 rem/yr
    C. 1 rem/yr
    D. 5 rem/yr
    B. 0.1 rem/yr

    (1 mSv/yr)
    (this multiple choice question has been scrambled)
  10. The stomach is located in the ______ upper quadrant.
    a. right
    b. left
    b. Left upper quadrant
  11. In the normal adult male, the prostate is located ________ to the bladder.
    A. posterior
    B. anterior
    C. superior
    D. inferior
    D. inferior
    (this multiple choice question has been scrambled)
  12. Breast cancer metastasizes to:
    1. bone 2. lung 3. brain
    A. 2 & 3
    B. 1 & 2
    C. 1, 2 & 3
    D. 1 & 3
    C. 1, 2 & 3

    breast ca mets to bone, lung & brain
    (this multiple choice question has been scrambled)
  13. Nasopharyngeal tumors drain through what lymph nodes first?
    A. posterior cervical
    B. submaxillary
    C. submental
    D. supraclavicular
    A. posterior cervical
    (this multiple choice question has been scrambled)
  14. Which portion of the spine is the most common site for a spinal compression?
    A. sacral
    B. thoracic
    C. cervical
    D. lumbar
    B. thoracic
    (this multiple choice question has been scrambled)
  15. The pituitary is located:
    A. 2 cm anterior and 2 cm superior to the EAM
    B. 2 cm posterior and 2 cm inferior to the EAM
    C. 2 cm anterior and 2 cm inferior to the EAM
    A. 2 cm anterior & 2 cm superior to the EAM
    (this multiple choice question has been scrambled)
  16. When treating tongue cancer, the purpose of the bite block is to:
    A. alter dose distribution
    B. localize the mandible
    C. protect the teeth
    D. flatten the tongue
    D. flatten the tongue
    (this multiple choice question has been scrambled)
  17. The vallecula is locate at the levl of wich anatomical structure?
    A. pyriform sinus
    B. hyoid bone
    C. cricoid cartilage
    D. thyroid cartilage
    B. hyoid bone
    (this multiple choice question has been scrambled)
  18. The inferior border of a larynx port for a vocal cord tumor should correspond to:
    A. hyoid bone
    B. cricoid cartilage
    C. bottom of thyroid cartilage
    D. first tracheal ring
    B. cricoid cartilage
    (this multiple choice question has been scrambled)
  19. The false vocal cords are located ________ to the glottis.
    a. superior
    b. inferior
    a. superior
  20. Backscatter factors are independent of:
    A. TAR at Dmax
    B. field size
    C. radiation quality
    D. SSD
    D. SSD
    (this multiple choice question has been scrambled)
  21. When manipulating a CT image, increasing the width of the window:
    1. decreases contrast 2. increases latitude
    3. increases speed
    A. 2 & 3
    B. 1 & 2
    C. 1, 2 & 3
    D. 1 & 3
    B. decreases contrast & increases latitude

    (window = contrast)
    (this multiple choice question has been scrambled)
  22. RBE is dependent upon:
    1. radiation quality 2. dose per fraction
    3. tissue irradiated
    A. 1 & 2
    B. 1 & 3
    C. 2 & 3
    D. 1, 2 & 3
    A. Radiation quality & Dose per fraction
    (this multiple choice question has been scrambled)
  23. When dealing with OER and anoxic tissue, which would be the most effective?
    A. electrons
    B. 6 mV photons
    C. neutrons
    D. protons
    D. protons
    (this multiple choice question has been scrambled)
  24. Which of the following is required for the fabrication of custom blocks?
    1. SAD 2. Source to Image Distance
    3. Source to block tray distance
    A. 2 & 3
    B. 1, 2 & 3
    C. 1 & 3
    D. 1 & 2
    A. Source to image distance (SID) & Source to block tray distance
    (this multiple choice question has been scrambled)
  25. When treating a lesion on the outside of the nose with electrons, what is the major reason to place a wax-coated shield in the nose?
    A. for patient comfort
    B. to decrease the dose to the inside of the nose
    C. to increase dose on the outside of the nose
    B. to decrease the dose to the inside of the nose
    (this multiple choice question has been scrambled)
  26. If the HVL of lead is 3 mm, it would require _______mm of lead to reduce exposure of 100 mR at 4 meters to 100 mR at one meter.
    12 mm
  27. Two wedges are used to treat a maxillary antrum tumor through an anterior and a lateral port. What part of the wedges should be adjacent?
    a. thin side anterior to thick side laterally
    b. thin side anterior to thin side laterally
    c. thick side anterior to thick side laterally
    d. thick side anterior to thin side laterally
    • c. thick side anterior to thick side laterally
    • (heel to heel)
  28. If 1.5 cm is added to the inferior border of a treatment port, what happens to the original isocenter if you are not using independent jaws>
    A. shifts 0.75 inferiorly
    B. shifts 0.75 superiorly
    C. stays the same
    D. shifts 1.5 superiorly
    A. shifts 0.75 inferiorly
    (this multiple choice question has been scrambled)
  29. How long after completion of treatment is fibrosis generally seen?
    A. 1 month
    B. 1 week
    C. 2 weeks
    D. 1 year
    D. 1 year
    (this multiple choice question has been scrambled)
  30. When treating the parotid gland with standard fractionation, xerostomia will occur at what dose:
    A. 2500-3500 cGy
    B. 6500-7500 cGy
    C. 500-1500 cGy
    D. 4500-5500 cGy
    A. 2500-3500 cGy

    (permanent after 4000 cGy)
    (this multiple choice question has been scrambled)
  31. Written defamation of character is best known as:
    a libel
    b. slander
    a. Libel
  32. Which is more radioresistant:
    A. muscle
    B. bone marrow
    C. mature cartilage
    D. lymphoid tissue
    C. Mature cartilage
    (this multiple choice question has been scrambled)
  33. Mayneord's F factor is a correction for which of the following:
    A. energy
    B. field size
    C. distance
    D. depth
    C. distance
    (this multiple choice question has been scrambled)

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