Topic 1 Introduction To Environmental Health
Correct Answers Latest Update
Content areas of Environmental Health -ANS>Air quality
water quality
food safety
waste disposal
Healthy People 2010 -ANS>Physical and social environments play major roles in
the health of individuals and communities.
Physical Environment -ANS>air, water, soil through which exposure to chemical,
biological, and physical agents may occur
Social Environment -ANS>housing, transportation, urban development, land use,
industry, agriculture, and results in exposures such as work-related stress, injury,
and violence
What are some threats to U.S. Environment? -ANS>trash on beaches, hazardous
wastes from disposal sites, episodes of air pollution, exposures to toxic chemicals,
destruction of the land through deforestation
, What did Warren Winkelstein say about the Three Ps? What are the three Ps? -
ANS>Pollution, Poverty, Population are PRINCIPAL determinants of health
worldwide. They are interrelated:
Population growth --> Poverty
Poverty +population growth --> pollution
Example of Pollution -ANS>combustion of fossil fuels which disperse greenhouse
gases into the atmosphere---> global warming
What is an effect of global warming? -ANS>it advances the range of disease
carrying insects, bringing them into new, not original, areas. Ex. mosquito borne
West Nile Virus and dengue fever appear in other areas, like the U.S.
Population is... -ANS>growing exponentially, up to 10- 12 billion people during the
21st century. May exceed carrying capacity by a factor of 2
Population may exceed carrying capacity by what factor? -ANS>2
Poverty -ANS>linked to pop. growth, it is one determinant of adverse of health
outcomes.
Environmental factors that are likely to spread influenza? -ANS>intensive animal
husbandry (cultivation) in order to supply food to growing population---> this in
turn creates crowded conditions among animals as well as close humans.
Also, ability of humans to travel from one area to another.
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