Quiz 4 ANSWER KEY

Quiz 4 ANSWER KEY - 1. a. How do environmental chemicals...

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1. a. How do environmental chemicals enter the human body (through what body surfaces)? (3 points) Inhalation, absorption across the lung; ingestion, absorption across the gut; dermal exposure, absorption across the skin. b. When discussing exposure assessment, what do we mean by the term “media”? (3 points) Media can be defined as various substances that normally are taken into the body and therefore can carry chemical into the body (e.g. air, water, soil, etc). 2. Name at least 5 exposure pathways a risk assessor would want to evaluate when assessing risks from exposure to chemicals contaminating the environment around a hazardous waste site. (10 points). Inhalation of volatile organic compounds from the site. Contaminated drinking water from wells. Ingestion of contaminated soil. Chemicals migrating through the skin from contaminated soil. Infants exposed to contaminated mother’s milk. Dermal and Inhalation exposure from showering or bathing in contaminated well water.
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Quiz 4 ANSWER KEY - 1. a. How do environmental chemicals...

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