EMSTESTING.COM Student Home Contact My Instructor NEW ADAPTIVE TEST: REID MEDIC 24-25 – TR – TRAUMA (NR2015) 21. Radiological exposure to the body would most likely cause damage to the: Skin cells. Brain cells. Muscle cells. Reproductive cells. Flag Question Submit Feedback
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The question asks which type of cells are most likely to be damaged by radiological exposure to the body. Show more…
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Anand J.
Each of these problems consists of Concept Questions followed by a related quantitative Problem. The Concept Questions involve little or no mathematics. They focus on the concepts with which the problems deal. Recognizing the concepts is the essential initial step in any problem-solving techinque. Concept Questions Identical body tissues are being irradiated by two types of radiation (e.g., X-rays and protons). (a) If the absorbed doses are the same, which type of radiation, the one with the larger RBE or the smaller RBE, produces the greater biological effect on the tissue? (b) If the two types of radiation have the same RBE, which type, the one that generates the greater absorbed dose or the smaller absorbed dose, produces the greater biological effect? Provide a reason for each answer. Problem Someone stands near a radioactive source and receives doses of the following types of radiation: $\gamma$ rays $(20 \mathrm{mrad}, \mathrm{RBE}=1),$ electrons $(30 \mathrm{mrad}, \mathrm{RBE}=1),$ protons (5 $\mathrm{mrad}, \mathrm{RBE}=10),$ and slow neutrons $(5 \mathrm{mrad}, \mathrm{RBE}=2)$. Rank the types of radiation, highest first, as to which produces the largest biologically equivalent dose. Verify that your answers are consistent with your answers to the Concept Questions.
What types of cells are most sensitive to radiation damage? the intestinal tract cells cells of reproductive organs cancer cells bone marrow cells All of the cell types listed are very sensitive to radiation damage.
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