Risk Assessment
Essential Questions:
What types of risk are there?
How do we study risk?
How do we manage risk?
Vocabulary (chapter 17)
Types of risk
physical (natural disasters, accidents)
Biological (plague, malaria, tuberculosis, HIV/AIDS, Ebola, mad cow, bird flue, west nile
Toxic chemicals (neurotoxins, allergens, carcinogens, teratogens, endocrine disruptors)
Factors that contribute to toxic effects
exposure, solubility, bioaccumulation, biomagnification, persistence
How do we study risk?
Dose response studies (LD-50, ED-50, TP-50, acute and chronic studies)
Retrospective studies
Prospective Studies
Laws
Stockholm Convention
REACH
Toxic Substance Control Act of 1976
Managing risk
Quantitative risk analysis
perceived risk
actual risk
risk acceptance
risk management
Precautionary Principal
Innocent until proven guilty
Presentation - How we assess risk
Presentation - How we study risk
Assignments
Toxicology lab activity
Answers to end of chapter questions:
Chapter 17
1 - a
2 - d
3 - e
4 - c
5 - a
6 - b
7 - d
8 - e
9 - b
10 - b