Quiz 2 questions.

1.The CEO for your company asks that you brief the Executive Board on nuclear radiation hazards. You are expected to cover the major forms of ionizing radiation (alpha, beta, gamma, etc.) including 1) the potential for exposures (industrial, bomb, medical, etc.), 2) penetrating ability (paper, lead, concrete, etc.), and 3) possible body organs that might be affected and 4) the resultant health effects that can result with excess exposure. What key facts would you present?

2.In a local hospital, a technician fixing a radiological machine spills some Cobalt-60 source material. As the hospital's environmental professional, you must provide guidance to protect the public. Which three methods do you recommend for controlling the radiation and protecting the workers (hint: one of these is time)?

3.Explain the four stages of water treatment. How is it possible for waterborne pathogens, such as Cryptospiridium, to contaminate water that has been treated in modern treatment plant?

4.What are the major classes of pesticides and what are the potentially harmful effects of chemicals in each class as regards environmental health and ecological organisms

5.What are the four basic steps in Risk Assessment as defined by the National Research Council and what does each component consist of?

6.Explain the adverse health effects attributed to carbon monoxide, sulfur oxides, particulate matter, and nitric oxides. Which population groups are likely to be most vulnerable to the effects of carbon monoxide exposure?

7.Name three diseases associated with pneumoconiosis. (research in workplace health)

8.Paracelsus is quoted as saying, "the dose makes the poison." What does this mean in layman's terms? What specific scientific term describes this phenomenon?

9.In a paragraph or so, describe a recent real-life example of an intervention study. How does this differ from a case-control study?

10.How would you treat gaseous volatile organic compounds from a paper mill? Name two options in addition to condensation).

11.How does one abate particulates in a polluted air stream? Name two in addition to an electrostatic precipitators.

12.What measures are used to determine the quality of river water? Hint: pH is one. Name three of the seven.

13.What physical properties make a waste hazardous? Hint: toxic. Name two more