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Risk, Toxicology, and Human Health

Risk, Toxicology, and Human Health. G. Tyler Miller’s Living in the Environment 13 th Edition Chapter 11. Adapted from Dr. Richard Clements Chattanooga State Technical Community College. Key Concepts. Types of hazards people face. Methods of toxicology.

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Risk, Toxicology, and Human Health

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  1. Risk, Toxicology, and Human Health G. Tyler Miller’s Living in the Environment 13th Edition Chapter 11 Adapted from Dr. Richard Clements Chattanooga State Technical Community College

  2. Key Concepts • Types of hazards people face • Methods of toxicology • Types and measurement of chemical hazards • Types and effects of biological hazards • Risk estimation, management, and reduction

  3. Risk and Probability Fig. 11-2 p. 229 • Risk • Probability • Riskassessment • Riskmanagement

  4. Hazards Fig. 11-1 p. 228 • Cultural hazards • Chemical hazards • Physical hazards • Biological hazards

  5. Toxicology Fig. 11-4 p. 231 Fig. 11-3 p. 230 • Toxicity • Dosage • Bioaccumulation • Biomagnification • Synergism • Response • Acute effect • Chronic effect

  6. Poisons Fig. 11-5 p. 231 • Poison • LD50 • Median lethal dose See Table 11-1 p. 232

  7. Dose-Response Curves • Dose-response • Nonthreshold • Threshold Fig. 11-6 p. 233

  8. Chemical Hazards • Hazardous chemicals • Mutagens • Teratogens • Carcinogens • Neurotoxins • Hormonally active agents • Precautionary principle

  9. Biological Hazards: Diseases Fig. 11-14 p. 243 • Nontransmissible disease • Transmissible disease • Pathogens • Vectors • Antibiotic resistance • Malaria • AIDS See Case Study p. 241

  10. Risk Analysis Fig. 11-17p. 247 • Risk analysis • Comparative riskanalysis • Cost-benefitanalysis • Risk management • Risk perception

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