Which is the most accurate definition of a risk assessment?
A) Assessment of the adverse effects of chemical, physical, or biological agents on people, animals, and the environment
B) Process to help determine whether an individual has been exposed to environmental contaminants
C) Assessment of factors that determine a person's level of exposure to an environmental contaminant
D) Determination of the likelihood of adverse effects in a group exposed to an environmental contaminant
Ans: D
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Risk assessment is the process to determine the likelihood or probability that adverse effects such as illness or disease will occur in a group of people because of an exposure to an environmental contaminant. Toxicology is the study of the adverse effects of chemical, physical, or biological agents on people, animals, and the environment. Exposure history is the process to help determine whether an individual has been exposed to environmental contaminants. Exposure estimate is assessment of factors that determine a person's level of exposure to a contaminant.
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