APES- Risk
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
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| Risk | The probability that something completely undesirable will result from a deliberate or accidental exposure to something considered hazardous.
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| Probability | A mathematical statement about how likely it is that something will occur.
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| Risk Assessment | Process of gathering data and making own assumptions to estimate the short-and-long term effects on human health or the environment from exposure to hazardous materials and wastes, usually stemming from a particular form of human activity or technology.
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| Risk Management | Using risk-assessment process and other known information in order to determine the options and make decisions about reducing and or eliminating risks.
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| Toxicity | A measurement of how harmful something is.
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| Dose | The amount of a harmful substance an individual is exposed to.
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| Bioaccumulation | A gradual increase in the concentration of particular chemicals in an organism's organs or tissues being at a higher level than expected.
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| Biomagnification | Increase in the concentration of DDT, PCB's, and other slowly degradable, fat-soluble chemicals in organisms at successively higher tropic levels of a food chain or web.
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| Response | Amount of damage caused to an individual's health, from the exposure of a certain dose of a harmful substance or radiation.
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| Poison | Chemical that kills over 50% of its intended target; used to manage pest populations.
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| LD50 | Amount of a toxic material per unit of body weight of the test animals that kills half the test population in a certain amount of time- similar to Median Lethal Dose, as both are used in same context.
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| Median Lethal Dose | Amount of toxic material per unit of body weight of the test animals that kills half the test population in a certain amount of time.
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| Toxic Chemicals | Chemicals which are fatal to organisms in low doses/fatal to more than 50% to test animals at concentrations. Most are Neurotoxins, etc.
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| Hazardous Chemicals | Chemicals that can cause harm because they are either flammable or explosive, an irritant to the lungs or skin, strongly acidic or alkaline, or can cause dangerous allergic reactions to a person's immune system.
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| Mutagens | Chemicals that can cause inheritable changes or mutations in the DNA strands in the genes found in chromosomes or organisms.
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| Teratogens | A chemical, ionizing agent, or virus that is dangerous to human health and commonly causes birth defects.
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| Carcinogens | Chemicals, ionizing agents, or viruses that promote the development of cancer.
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| Metastasis | The spread of malignant cancerous cells from the tumor to other parts of the body.
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| Precautionary Principle | When there is scientific uncertainty about potentially serious harm from chemicals or technologies, decision makers should act to prevent harm to humans/environment.
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| Risk Analysis | Process of identifying hazards, evaluating the nature and severity of particular risks, using this and other forms of date to determine options and make decisions on reducing present risks.
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Created by:
cbranham12
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