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  • Section 6 Radiation-Induced Injury to the Gonads

  • Section 6 Radiation-Induced Injury to the Gonads Questions

    1. Which of the following statements correctly describe radiation-induced sterility? (Select all that apply.)
    A. An acute 0.5-Gy dose of gamma rays can induce temporary sterility in males.
    B. An acute 3.5-Gy or greater dose of gamma rays can induce permanent sterility in females.
    C. Radiation-induced permanent sterility in males leads to a loss of libido.
    D. Radiation-induced sterility in females produces hormonal changes.
    E. An acute 2-Gy dose of gamma rays will cause immediate sterility in males (i.e., no latent period).

    2. Which of the following statements correctly describe radiation-induced heritable effects ? (Select all that apply.)
    A. Radiation-induced heritable changes are different from those that occur spontaneously.
    B. Humans are much more sensitive to radiation than mice.
    C. Risk estimates in humans are based largely on data from mice.
    D. 10%–20% of heritable changes in the population can be attributed to background radiation.
    E. The doubling dose in humans is estimated to be 0.5–2.5 Sv (acute exposure)

    3.A genetically significant dose due to medical x-rays involves the __________. (Select all that apply.)A. gonad doses.
    B. age and sex of the patient.
    C. number of persons exposed.
    D. time of day at which the exposure is received.