1. The important factors to be considered in the decision making process for ecological risk assessment are
a) Chemical analysis
b) Finding thresholds and identifying the potential for irreversible change
c) Rate of exposure
d) Dose response
Answer: b
2. Adverse impact analysis is done to assist in judging whether the consequences are great enough to require increased management.
a) True
b) False
Answer: a
3. For existing chemicals, we should
always consider exposure assessment based on modelling, to derive an environmental concentration.
a) Better case
b) Reasonable worst case
c) Moderate case.
d) High case
Answer: b
4. What is the task of risk
management?
a) Implementing the management measures and allocating
management resources
b) Chemical analysis
c) Exposure assessment
d) Toxicity assessment
Answer: a
5. What is the main goal of risk
management?
a) Pathway analysis
b) Estimation
c) Transportation
d) Calculate probability of adverse effect on individual and population
Answer: d
6. is an example of indirect measurement in exposure assessment.
a) Environmental measurement
b) Personal measurement
c) Biological exposure monitoring
d) Biological effect monitoring
Answer: d