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11 Cards in this Set
- Front
- Back
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What are some possible causes of Acute Radiation Syndrome?
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1. Date sources from course of medical radiotherapy
2. Atom bomb blast 3. Radiation accidents |
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What happens during the prodromal period of Acute Radiation syndrome?
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Dosage = 1.5 Gy
Anorexia, nausea, vomiting, diarrhea, weakness, and fatigue |
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What is the latent period of Acute Radiation Syndrome?
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A latent period of well-being during which no signs or symptoms of radiation sickness occur
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What is Hematopoietic Syndrome?
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2-7 Gy
Damages stem cells of bone marrow & spleen Clinical signs include: infection, hemorrhage, and anemia |
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What is Gastrointestinal Syndrome?
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7-15 Gy
Damages basal epithelial cells of the intestinal villi and leads to rapid loss of the epithelial layer of the intestinal mucosa Symptoms: Diarrhea, dehydration, and loss of weight. Endogenous intestinal bacteria readily invade the denuded surface, producing septicemia |
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What is Cardiovascular & Central Nervous System Syndrome?
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50 Gy
Usually cause death in 1-2 days |
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How do you manage various radiation syndromes?
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Antibiotics indicated when the granulocyte count falls
Fluid & electrolyte replacement Whole blood transfusions are used to treat anemia |
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Stochastic Effects can be divided into?
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Carcinogenesis
Heritable effects |
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What do stochastic effects result from?
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Sublethal changes in the DNA of individual cells
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Wha is the term for the amount of radiation a population requires to produce in the next generation as many additional mutations as arise spontaneously?
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Doubling dose - it is a way to measure the risk from genetic exposure by determining the doubling dose.
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In humans, what is the genetic doubling dose estimated to be approximately?
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1 sievert (Sv)
Doubling the dose will double the impact. This is a way to measure the risk from genetic exposure by determining the doubling dose. |
