Exit level exam
Terms in this set (15)
the branch of medicine that deals with the incidence, distribution, and possible control of diseases and other factors relating to health.
a bacterium, virus, or other microorganism that can cause disease.
How describing health related States or events by person, place, and time will help with controlling disease?
a) Identify The extent of public health problem
b) Describe the public health problem in a way that can be communicated easily.
c) Identify who is at greatest risk.
Effects of insecticides on wildlife are due to what?
Wildlife can be impacted by pesticides through the direct and indirect application, such as pesticide drift, secondary poisoning, run off into local water bodies, or ground water contamination. It is possible that some animals could be sprayed directly; others consume plants or prey that have been exposed to pesticides
Avantages of using biological controls for pest control purposes
Most farmers use chemical methods to control their pest problems, there are a number of disadvantages to this methods. Chemicals may not be non- specific and kill beneficial insect. Past may develop resistance to be pesticide. Pesticides may enters the food chain, accumulate and harm the organisms.
Potential uses of viruses
Gene therapy uses genetically Modify viruses to deliver genes that can cure diseases and human sales. These viruses can deliver DNA or RNA genetic material to the target sales. Gene therapy is also used by in activating you tated genes that are causing the disease using viruses spirit
What is Antixenosis
A chemical that deters insects from feeding.
refers to plant that has characteristics that lead pests away from a particular host plant. -normal plant behavior is impaired in a way to lessen chances of the pest using a plant to lay eggs, to feed or to seek shelter in it. -Can be allelochemical (due to chemical factors such as plant volatiles)
Outcomes associated with world population growth?
Population is growing rapidly, far outpacing the ability of our planet to support it, given current practices. Overpopulation isassociated with negative environmental and economic outcomes ranging from theimpacts of over-farming, deforestation, and water pollution to eutrophication and global warming.
Environmental health compromises aspects of human health that are associated with what factors?
1. Outdoor air quality
2. Surface and ground water quality
3. Toxic substances and hazardous wastes
4. Homes and communities
5. Infrastructure and surveillance
6. Global environmental health
Creating healthy environments can be complex and relies on continuing research to better understand the effects of exposure to environmental hazards on people's health.
estimates of the number of excess unwarranted health events expected at different time intervals at each level of exposure.
Risk characterization is the final phase of an ERA and is the culmination of the planning, problem formulation, and analysis of predicted or observed adverse ecological effects related to the assessment endpoints assessment endpointsAn explicit expression of the environmental value to be protected, operationally defined as an ecological entity and its attributes.. During the risk characterization phase, risk assessors:
Methods for exposure to metals
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