grand canyon hlt555 all week discussions latest 2015 [ 18 discussions ]

| February 14, 2018

week 1Why is maintenance of environmental health quality important for human health? What ideals from the Christian Worldview help us to make concern for environmental health paramount and meaningful?wek 2Describe three of today’s most important environmental health issues, either domestic or international. How are these health issues affected by population growth?week 3Consider the following statement:“Transportation policy is health policy.” Do you agree or disagree with this statement? Justify your response.wek 2Why are studies on the health effects of smoking among individual who smoke not a concern of environmental epidemiology? Explain the reason why exposure to secondhand cigarette smoke is a concern of this discipline.diss 2Explain why you and your classmates may have a different response to the same exposure to a chemical. Provide a specific example.week 3What are some examples of environmental sources of exposure of populations to toxic heavy metals? What factors can exacerbate the effects of toxic exposures on populations with low socioeconomic status?diss 2What types of injury of public health concern are associated with exposure to each of the different forms of radiation? How does the risk of each injury vary with the dose of the radiation in question?week 4How do vectors play a role in the transmission of disease? What are some procedures for control and prevention? Provide a specific example.diss 2Unlike other toxins or contaminants with which the public can come into contact, pesticides are intentionally applied to food, living spaces, and people. What are some of the risk-benefit issues in the application of pesticides? Is the risk justified? Explain your position.weeek 5Explore the following statement: “The answer to a waterborne disease outbreak is to ‘shock’ chlorinate.” What health risks would be mitigated with this approach? What new health risks might emerge from the application of large doses of chlorine?What actions can be taken to lower air pollution emissions? Consider actions that can be taken at the individual, community, and government levels.week 6What are the different types of solid waste and how are they identified? What are the different approaches to solid waste management?diss 2What are some alternatives to sewer systems for disposal of human waste? To what extent could these alternatives replace municipal sewer systems? Discuss their advantages and disadvantages.week 7Describe the categories of hazards that may be present in foods and suggest methods for their control and prevention.How do food recalls contribute to the safety of our nation’s food supply? What do you think are some strengths and weaknesses of this process?week 8In the United States, occupational health regulations are set by the Occupational Safety and Health Administration (OSHA). What are some of the major factors that limit the effectiveness of these regulations?diss 2What is the difference between an unintentional injury and an accident? Why is it important to make the distinction? Discuss some strategies for highlighting the difference between accidents and injuries.diss 3The risks of occupational injury and disease are especially high in poor countries. Identify a specific occupational health hazard in a developing nation and recommend a strategy for prevention.

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