Question 1 In environmental health, the term toxin refers to a toxic substance that _______________. is naturally produced by a plant or animal occurs in the occupational setting results from huma... n activity a man-made product introduced into the environment due to human activity Question 2 In toxicity testing in rodents, the LD50 is a dose that is _______________. acutely fatal to 50 percent of test animals fatal to 50 percent of test animals within a 90-day period fatal to 50 percent of test animals after lifetime bioaccumulation Question 3 Which of the following is not characteristic of a health impact assessment? It evaluates a site or activity as it is, rather than looking forward in time It includes social and economic factors in the assessment [Show More]
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PUBH6034 Module 1/Module 2/Module 3/Module 4/Module 5 Quiz Latest 2020
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