There are several environmental hazards affecting human health. ...

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There are several environmental hazards affecting human health. What would be one way the nurse could reduce the effects of a physical hazard on humans?
 
  A) Encourage the use of ear plugs during NASCAR races.
  B) Encourage the use of microwave ovens in place of gas ranges.
  C) Remove standing water to reduce the mosquito population.
  D) Remove dead plants in gardens to prevent destruction of adjacent plants.

Question 2

To decrease pollution, one must understand how pollution is produced and how it affects the environment. Which statement will best assist in beginning to understand pollution?
 
  A) The rate of pollution is directly related to population size.
  B) The capacity of the environment to assimilate pollution is unlimited.
  C) Industrial development can assist with the elimination of pollutants.
  D) Movement of populations improves pollution.

[JaynaD87]

Answer to Question 1

Ans: A
Physical hazards to health include radiation, lead, other heavy metals, and noise. Biologic hazards can be infectious agents, insects, animals, and plants. Use of earplugs will reduce noise and damage to hearing. Encouraging microwave use is counterproductive to reduction of physical hazards. Reducing the mosquito population and removing dead plants are examples of preventing biologic hazards, not physical hazards.

Answer to Question 2

Ans: A
Pollution is a rate function involving a quantity of pollutant introduced over a period of time. This rate is directly correlated with population size. The capacity of the environment to assimilate pollution is not unlimited; in fact, pollution of the environment occurs when pollutants overwhelm the capacity of the environment to assimilate them without being thrown out of balance. Industrial development increases the number of pollutants and environmental insults. If the population moves, both the nature and the intensity of an environmental problem can shift. Thus, one area may improve; another may become more polluted.

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[carojassy25]

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