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Environmental Health Flashcards

Environmental Health Flashcards
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Chemical Environmental Hazards
Hazards in this group are caused by chemicals that are either naturally occurring or made by humans. Examples can include pesticides, disinfectants or heavy metals.
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Physical Environmental Hazards
These hazards are created by naturally occurring physical processes, such as volcanoes, earthquakes, landslides or the presence of ultraviolet radiation.
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Risk Assessment
A process that measure and compares the environmental health risks associated with a given substance, such as a pesticide, or an activity.
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Risk Management
You can use this process to make decisions about how to handle a risk once it is assessed. This also involves putting strategies into practice.
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Epidemiology
This is a study of groups of people on a large-scale designed to figure out the causes and effects of disease in humans. It also looks at disease patterns.
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Dose-Response Curve
This is developed using laboratory tests. It visually shows a substance's effects and toxicity.
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Children and toxicants
Due to the fact that they are still developing, this age group faces the greatest threat from toxic substances.
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Neurotoxins
These toxicants damage our nervous systems, negatively effecting muscle control and speech. They can cause death. Examples include pesticides or heavy metals.
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Carcinogens
We use this term to refer to chemicals that cause cancer. Cigarettes are an example.
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Mutagens
Chemicals or other factors that cause mutations in an organism's DNA.
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Endocrine Disrupters
A type of toxicant that negatively impacts an organism's endocrine system because they are close in structure to the hormones used in the body. They can be found in some medications and plastics.
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Toxicants
These substances pose a danger to our environment and humans.
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Disease-Causing Agent
We use this term to refer to any biological pathogen that is responsible for spreading or causing illness.
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Parasitic Worms
These parasites, like tapeworms, hookworms and roundworms, are disease-causing agents that make a home in a host organism and then cause problems.
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Viruses
These disease-causing agents are very common. They're responsible for the flu, rabies, West Nile, chicken pox and more. We can use vaccines to protect ourselves from these agents.
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Bacteria
These are generally not dangerous to humans, however, some of them do act as disease-causing agents and can cause strep throat, Lyme disease and other illnesses. Antibiotics treat these agents.
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Protozoa
A class of disease-causing agents that are small, parasitic and unicellular. Amoebas are an example of this kind of agent.
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35 cards in set

Flashcard Content Overview

The flashcards in this set cover common environmental toxicants. You'll able be able to review physical, chemical, biological and social environmental hazards. The dangers associated with greenhouse gases and the ozone layer will also be considered. You can focus on biological, physical and chemical kinds of pollution, along with both air and water pollution. The processes of risk assessment and risk management as they apply to environmental health hazards will be discussed.

Front
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Protozoa
A class of disease-causing agents that are small, parasitic and unicellular. Amoebas are an example of this kind of agent.
Bacteria
These are generally not dangerous to humans, however, some of them do act as disease-causing agents and can cause strep throat, Lyme disease and other illnesses. Antibiotics treat these agents.
Viruses
These disease-causing agents are very common. They're responsible for the flu, rabies, West Nile, chicken pox and more. We can use vaccines to protect ourselves from these agents.
Parasitic Worms
These parasites, like tapeworms, hookworms and roundworms, are disease-causing agents that make a home in a host organism and then cause problems.
Disease-Causing Agent
We use this term to refer to any biological pathogen that is responsible for spreading or causing illness.
Toxicants
These substances pose a danger to our environment and humans.
Endocrine Disrupters
A type of toxicant that negatively impacts an organism's endocrine system because they are close in structure to the hormones used in the body. They can be found in some medications and plastics.
Mutagens
Chemicals or other factors that cause mutations in an organism's DNA.
Carcinogens
We use this term to refer to chemicals that cause cancer. Cigarettes are an example.
Neurotoxins
These toxicants damage our nervous systems, negatively effecting muscle control and speech. They can cause death. Examples include pesticides or heavy metals.
Children and toxicants
Due to the fact that they are still developing, this age group faces the greatest threat from toxic substances.
Dose-Response Curve
This is developed using laboratory tests. It visually shows a substance's effects and toxicity.
Epidemiology
This is a study of groups of people on a large-scale designed to figure out the causes and effects of disease in humans. It also looks at disease patterns.
Risk Management
You can use this process to make decisions about how to handle a risk once it is assessed. This also involves putting strategies into practice.
Risk Assessment
A process that measure and compares the environmental health risks associated with a given substance, such as a pesticide, or an activity.
Physical Environmental Hazards
These hazards are created by naturally occurring physical processes, such as volcanoes, earthquakes, landslides or the presence of ultraviolet radiation.
Chemical Environmental Hazards
Hazards in this group are caused by chemicals that are either naturally occurring or made by humans. Examples can include pesticides, disinfectants or heavy metals.
Biological Environmental Hazards
A group of environmental hazards caused by organism interaction. These hazards can include tuberculosis, viruses and bacterial illnesses.
Cultural / Social Environmental Hazards
We face these hazards based on our actions, where we live or work and our socioeconomic state. Driving on a motorcycle is this kind of hazard.
Indoor Environmental Hazards
These are environmental hazards that are found in our cars, offices or homes. Examples can include asbestos, lead and radon.
Ecological Footprint
We use this to refer to the size of a country's demand for necessary resources. Countries that have a large one of these demand a lot of resources.
Greenhouse Gases
These gases exist in the Earth's atmosphere and sunlight must pass through them on the way to Earth's surface. Nitrous oxide, water vapor and methane are examples of these gases.
Biological Pollution
A type of pollution that occurs when some kind of invasive living organism is introduced into an environment and disrupts native species. Gypsy moths and pine beetles are examples of this.
Chemical Pollution
In this kind of pollution, chemicals are dumped or otherwise placed in an environment. This kind of pollution can result from the use of pesticides.
Physical Pollution
We see this kind of pollution when materials are left behind in an environment where they don't belong. Trash is the biggest example of this.
Ozone Layer Depletion
A harmful process that occurs as ozone-depleting chemicals from chlorofluorocarbon usage enter the atmosphere. It allows radiation through the atmosphere and damages the environment.
Montreal Protocol of 1987
This treaty was set up to try to limit ozone depletion by lowering the production of CFCs. 24 countries signed this treaty.
Groundwater Pollution
This occurs when sources of water under the surface of the Earth are polluted. It's very hard to test or control. Water may need to be brought in from far away if there's this kind of pollution.
Nutrient Pollution
A type of water pollution that is the result of fertilizers or other nutrients entering a water source and leading to a depletion of oxygen.
Surface Water Pollution
Water pollution of this type occurs when sources of water that are above ground, like lakes, are polluted.
Non-Point Source Pollution
In this kind of pollution, there are multiple sources that lead to the contamination of a body of water or other environmental area.
Clean Air Act of 1970
This legislation was designed to reduce emissions and to raise air quality standards. It also funded control of pollution.
Primary Pollutant
This kind of pollution causes direct harmful effects, such as respiratory illnesses.
Secondary Pollutant
A type of pollution that causes negative effects by reacting with primary pollutants and atmospheric components.
Point Source Pollution
This type of pollution has only one origin. If only one company causes pollution then it is this type of pollution.

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