Which is the most accurate definition of a risk assessment? A) ...

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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

Question 2

The nurse visits the home of client in a low-income community and notices that paint is flaking off the walls and forming a dust in the corners of some rooms.
 
  The nurse asks the client when the house was built, and she responds that it was built in 1959. Which contaminant should the nurse expect to find in this home?
  A) Lead
  B) Radon
  C) Asbestos
  D) Pesticide

[ilianabrrr]

Answer to Question 1

Ans: D
Feedback:
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.

Answer to Question 2

Ans: A
Feedback:
Contaminants in the environment, such as asbestos, lead, or radon, influence human health. For example, lead was used in paint until the 1970s and is often found in houses built earlier. As the old paint breaks down, lead can be found in dust and old paint chips in homes. In communities with older, deteriorating housing, children can be exposed to lead. In many cases, such housing is found in poorer communities. There are no indications of the other contaminants being present.

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[JaynaD87]

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