RGT 2911 Ch 10

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ethinsmom
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192196
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RGT 2911 Ch 10
Updated:
2013-01-10 22:14:18
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Radiation Biology
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Radiation Biology Chapter 10
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  1. Which of the following is a measure of dose to biologic tissue?

    A. Roentgen
    B. Rad (Gy)
    C. Rem (Sv)
    D. RBE
    C
  2. What is the annual dose limit for a student radiographer who is younger than 18 years and beginning clinical assignments?

    A. 0.1 rem (1 mSv)
    B. 0.5 rem (5 mSv)
    C. 5 rem (50 mSv)
    D. 10 rem (100 mSv)
    A
  3. The purpose of filters in a film badge is:

    A. To eliminate harmful rays
    B. To measure radiation quality
    C. To prevent exposure from alpha particles
    D. To support the film contained within
    B
  4. The dose limits established for the OSL, TLD, film badge, and pocket dosimeter are valid for:

    A. Alpha-, beta-, and x radiations
    B. X- and gamma radiations only
    C. Beta-, x- and gamma radiations
    D. All ionizing radiations
    C
  5. The operation of personal radiation monitoring devices can depend upon:
    1. Ionization
    2. Thermoluminescence
    3. Resonance

    A. 1 only
    B. 1 & 2
    C. 2 & 3
    D. All 3
    B
  6. What is the established monthly fetal dose-limit guideline for pregnant radiographers?

    A. 0.05 rem (0.5 mSv)
    B. 0.5 rem (5 mSv)
    C. 5 rem (50 mSv)
    D. 10 rem (100 mSv)
    A
  7. Which of the following crystals are used in an optically luminescent dosimetry system?

    A. Silver bromide
    B. Aluminum oxide
    C. Lithium fluoride
    D. Ferrous sulfate
    B
  8. Potential ionizing radiation damage to tissue is dependent upon the:
    1. Z number of the tissue
    2. Type of ionizing radiation
    3. Mass density of the tissue

    A. 1 only
    B. 1 & 2
    C. 2 & 3
    D. All 3
    D
  9. The unit of measurement used to express occupational exposure is the:

    A. Roentgen
    B. Rad (Gray)
    C. Rem (Sievert)
    D. Relative biologic effectiveness (RBE)
    C
  10. The NCRP recommends an annual effective occupational dose-equivalent limit of:

    A. 25 mSv (2.5 rem)
    B. 50 mSv (5 rem)
    C. 100 mSv (10 rem)
    D. 200 mSv (20 rem)
    B

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