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21 Cards in this Set
- Front
- Back
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Environmental health
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Assesses environmental factors that influence human health and quality of life
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Infectious disease
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Biological hazards that create an illness that can be spread to other humans
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Toxicology
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Study of poisonous substances
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Toxicant
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Compared to other substances to determine toxicity or degree of harm that it can inflict
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Environmental toxicology
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Deals with toxic substances that come from the environment
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Carcinogens
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Chemicals that cause cancer
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Mutagens
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Chemicals that cause mutations in DNA of organisms
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Teratogens
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Chemicals that cause harm to the unborn
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Allergens
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Chemicals that harm the immune system
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Neurotoxins
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Chemicals that hurt the nervous system/brain
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Endocrine disruptors
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Toxicants that interfere with the endocrine system
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Epidemiological studies
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Involve large-scale comparisons among groups of people (exposed to toxicant vs. not)
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Dose-response curve
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Used to gauge a substance's toxicity
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LD50
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Amount of toxicant it takes to kill half a population
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ED50
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Amount of toxicant at which 50% of the population are affected
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Threshold
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Above a certain dose
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Acute exposure
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High amounts of a toxicant for short period of time
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Chronic exposure
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Lower amounts of toxicant over long periods of time
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Bioaccumulation
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Toxicants are absorbed and stored in fatty tissues and are built up in animals
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Biomagnification
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Toxicants that bioaccumulate in one organism can transfer to another in the food chain
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Risk assessment
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Analyzes risk quantitatively
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