CH 11 Risk, Toxicology, and Human Health
1) What is risk and how is it assessed?
2) Please list the major types of hazards that expose us to risk and list examples of each:
3) Discuss the factors that determine whether a chemical is harmful.
4) Please draw figure 11-3 that shows a graph of human variations in sensitivity to a toxic chemical. Please explain the meaning of the graph in your OWN words.
5) Distinguish between the terms "bioaccumulation" and "biomagnification."
6) What factors should be taken into account when people ask, "Should we be concerned a bout trace levels of toxic chemicals in the environment?"
7) Please draw figure 11-5 from your text. Explain the meaning of the graph in your OWN words.
8) Distinguish between the following terms:
toxic chemicals, poisons & hazardous chemicals
mutagens, teratogens, & carcinogens
9) Why do we know so little about the harmful effects of chemicals?
10) This should be review for you, but please explain the "Precautionary Approach" to bringing new chemicals on the market.