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65288a64fe Radiation Sickness Radiation sickness (correctly termed acute radiation syndrome) involves nausea, vomiting, and diarrhea developing within hours or minutes of a radiation exposure. Although the malignancy risk for the population as a whole is 5 %/Sv, this rises to 15 %/Sv in a young girl and falls to 1 %/Sv in a 70-year-old. Department of Health and Human Services, have classified ionizing radiation as a human carcinogen. Mechanism . Muscle, bones, and nervous system tissues have a relative low radiosensitivity.
As such, multiple bodies, including the U.S. The most important consequence of this displaced electron on human tissue is the potential damage it can inflict on DNA, which may occur directly or indirectly. Your browser doesn't accept cookies. Sterility Radiation can impair oocyte function, leading to impaired or non-fertility. Direct damage occurs when the displaced electron hits and breaks a DNA strand. Hereditary Defects (e.g., Down Syndrome) Although the incidence of hereditary defects in patients exposed to radiation in Japan and Chernobyl have shown no increased evidence for hereditary defects, animal experiments would suggest that this risk does exist. Mechanisms . Breakdown of the skin surface occurs approximately four weeks after 15 Sv have been received. IUGR/Teratogenesis/Fetal Death Deterministic radiation exposure effects during pregnancy depend not only on the radiation dose received but also on the gestational age at which it occurred. Stochastic Effects .