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Author Question: Toxic substances have received a great deal of attention in governmental regulations and the news ... (Read 90 times)

Chloeellawright

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on: Jul 8, 2018
Toxic substances have received a great deal of attention in governmental regulations and the news media. When determining ways to control the effects of exposure, the nurse must consider the anticipated risk.
 
  Anticipated risk is primarily determined by what characteristic of a substance?
  A) Toxicity
  B) Prevalence
  C) Neurotoxic effect
  D) Amount in the environment

Question 2

If you could only study the effects of pollutants on one ecosystem, the one that would potentially generate the greatest result would be which ecosystem?
 
  A) Air
  B) Aquatic
  C) Plants
  D) Terrestrial


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frre432

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Reply #1 on: Jul 8, 2018
Answer to Question 1

Ans: A

Both the toxicity of the substance and the expected exposure to the organism must be considered to define the anticipated risk. The prevalence, neurotoxic effect, and the amount in the environment are not considered primary in determining the anticipated risk.

Answer to Question 2

Ans: B
Pollutants generally exert greater influence on aquatic ecosystems than on terrestrial environments. Air pollutants can be carried by the winds; but once they fall to earth, they continue their transport along the waterways.


Chloeellawright

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Reply #2 on: Jul 8, 2018
Correct answers!


frre432

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Reply #3 on: Jul 8, 2018
Great! Please up vote :D


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