Term
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Definition
| long-lasting. can be result of single large dose or repeated smaller doses. |
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Term
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Definition
| caused by a single exposure and result in an immediate health problem. |
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Term
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Definition
| when the toxic burden of a large number of organisms at a lower trophic level is accumulated and concentrated by a predator at a higher trophic level. |
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Term
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Definition
cells have selective absorption and storage of molecules. ex. can be nutrients and minerals, or can also absorb harmful substances. (dillute toxins can reach dangerous levels inside cells and tissues) |
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Term
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Definition
water soluble compounds: move rapidly and widely through the environment because water is ubiquitous. oil soluble molecules: need a carrier to move through the environment and into or within the body. |
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Term
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Definition
| substances that cause cancer |
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Term
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Definition
| cause abnormalities during embryonic growth and development. ex. fetal alcohol syndrome |
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Term
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Definition
| they damage or alter genetic material. ex. radiation |
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Term
| name the 2 pesticides and what they do |
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Definition
organophosphates and carbamates they inhibit the signal transmission between nerve cells |
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Term
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Definition
| metabolic poisons that attack nerve cells. ex. lead, mercury |
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Term
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Definition
substances that stimulate the production of, and react with, specific antibodies. **allergens that are recognized as foreign by white blood cells and stimulate the production of specific antibodies. |
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Term
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Definition
| substances that activate the immune system and cause an allergic response |
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Term
dangerous chemicals hazardous vs toxic |
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Definition
hazardous: flammable, explosive, acid toxic: poisonous (even when dilluted) |
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Term
| causes of antibiotic resistance |
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Definition
-unnecessary antibiotics -wrong drug -not finish full prescription |
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Term
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Definition
| disease causing organisms. ex. viruses, bacteria, protozoans, parasitic worms, flukes |
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Term
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Definition
| a disease not previously known of or has been absent for atleast 20 years |
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Term
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Definition
| A change in the body's condition that impairs important physical or psychological functions |
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Term
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Definition
| a state of complete physical, mental, and social well being. not merely the absence of disease |
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