Risk Toxicology and Human Health G Tyler Millers
- Slides: 10
Risk, Toxicology, and Human Health G. Tyler Miller’s Living in the Environment 13 th Edition Chapter 11 Dr. Richard Clements Chattanooga State Technical Community College
Key Concepts Ø Types of hazards people face Ø Methods of toxicology Ø Types and measurement of chemical hazards Ø Types and effects of biological hazards Ø Risk estimation, management, and reduction
Risk and Probability Ø Risk Ø Probability Ø Risk assessment Ø Risk management Fig. 11 -2 p. 229
Hazards Ø Cultural hazards Ø Chemical hazards Ø Physical hazards Ø Biological hazards Fig. 11 -1 p. 228
Toxicology Ø Toxicity Ø Dosage Ø Bioaccumulation Ø Biomagnification Ø Synergism Ø Response Ø Acute effect Ø Chronic effect Fig. 11 -4 p. 231 Fig. 11 -3 p. 230
Poisons Ø Poison Ø LD 50 Ø Median lethal dose See Table 11 -1 p. 232 Fig. 11 -5 p. 231
Dose-Response Curves Ø Dose-response Ø Nonthreshold Ø Threshold Fig. 11 -6 p. 233
Chemical Hazards Ø Hazardous chemicals Ø Mutagens Ø Teratogens Ø Carcinogens Ø Neurotoxins Ø Hormonally active agents Ø Precautionary principle
Biological Hazards: Diseases Ø Nontransmissible disease Ø Transmissible disease Fig. 11 -14 p. 243 Ø Pathogens Ø Vectors Ø Antibiotic resistance Ø Malaria Ø AIDS See Case Study p. 241
Risk Analysis Ø Risk analysis Ø Comparative risk analysis Ø Cost-benefit analysis Ø Risk management Ø Risk perception Fig. 11 -17 p. 247
