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20 Cards in this Set
- Front
- Back
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What is a risk?
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The probability of suffering harm from a hazard that can cause injury, death, disease, economic loss, or damage.
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What major health hazards do we face?
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People face health hazards from biological, chemical, physical, and cultural factors, and from the lifestyle choices they make.
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What is risk assessment?
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The process of using statistical methods to estimate how much harm a particular hazard can cause to human health or to the environment.
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What is risk management?
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Involves deciding whether or ow to reduce a particular risk to a certain level and at what cost.
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Name five major types of hazards
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Biological hazards, chemical, physical, cultural and lifestyle choice
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What is a pathogen?
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An organism that can cause disease in another organism.
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What types of biological hazards do wee face?
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The most serious are: the flu, aids, tuberculosis, diarrheal diseases, and malaria
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What is non transmissible disease?
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Caused by something other than a living organism and does not spread from one person to another.
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What is an infectious disease?
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Caused when a at hotel such as bacterium,virus, parasite invades the body and multiplies in tissues and cells.
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What is a transmissible disease?
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Infectious disease that can spread from one person to another.
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What is a large-scale outbreak of an infectious disease in an area or country called?
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An epidemic
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What is it called when a global epidemic arises?
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A pandemic
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Which hazard poses the greatest health risk in the world? What about the US?
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World= poverty/malnutrition/disease cycle. And US=poverty
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What are 5 factors that can cause people to see a technology or behavior as more or less risky than experts judge it to be?
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1. Fear 2.degreee of control 3. Whether s risk is catastrophic, not chronic. 4. Optimism bias 5.instant gratification.
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Explain how genetic resistance to antibiotics in bacteria increases.
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The abundance of offspring that bacteria can produce is immensely abundant and powerful. The spread of bacteria around the globe through travel, overuse of pesticides, overuse of antibiotics.
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Which virus is the biggest killer of humans?
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The flu
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Which virus is the 2nd biggest killer?
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HIV
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What types of chemical hazards do we face?
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There is a growing concern about chemicals that can cause cancers and birth defects and disrupt th human immune, nervous, and endocrine systems.
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What is LD50?
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A lethal dose that a lab animal will receive. This is when the physicist injects the animal with the highest lethal dose f a substance to find out which substance is stronger than the other.
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What are the 3 major types of potentially toxic agents?
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Carcinogens,teratogens, and mutagens.
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