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23 Cards in this Set
- Front
- Back
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toxic substances
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substances that cause damage to living organisms through immediate or long-term exposure
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risk assessment
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weighing pros and cons of an action to decide if it should be taken
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Health Canada
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fed. agency responsible for protecting Canadian health
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Chemicals Management Plan
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joint Health and Environmental Canada program to assess and research chemical substances and improve product safety
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precautionary principle
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principle that encourages acting in a way that leaves a margin of safety when there is a potential for serious harm but uncertainty about form or magnitude of that harm
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information literacy
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ability to evaluate the quality of information
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primary sources
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sources that present new and original data or information, including novel scientific experiment or observations and first-hand accounts of any given event.
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secondary sources
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sources that present and interpret info from primary sources
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tertiary source
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sources that present and interpret info from secondary sources
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peer review
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process whereby researchers submit a report of their work to outside experts, who evaluate its validity to determine if it's high-quality enough to publish
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persistence
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ability of a substance to remain in its original form, often expressed as the length of time it takes a substance to break down in the environment.
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solubility
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ability of a substance to dissolve in a liquid or gas
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bioaccumulation
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buildup of substances in the tissues of an organism over the course of its lifetime
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biomagnification
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increased levels of substances in the tissue of predatory animals that have consumed organisms that contained bioaccumulated toxic substances.
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epidemiologist
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scientist who studies the specific properties of any given potentially toxic substances
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toxicologist
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scientist who studies the specific properties of any given potentially toxic substances
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in vivo study
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effects of an experimental treatment in intact organisms
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in vivo study
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effects of experimental treatment cells in culture dishes rather than intact organisms
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additive effects
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exposure to 2+ chemicals has an effect equivalent to the sum of their individual effects
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dose-response curve
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graph of the effects of a substance at different concentrations or levels of exposures
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LD50 (lethal dose 50%)
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dose of a substance that would kill 50% of test population
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logical fallacies
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arguments that attempts to sway the reader without using evidence
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critical thinking skills
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skills that enable individuals to logically assess info, reflect info, and reach own conclusions
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