hazards Flashcards
(20 cards)
what are the stages of DTM?
pre-industrial, transitional, industrial, post-industrial
how does affluence affect the environment?
habitat loss, increase in population
what is environmental health
the study of how environmental factors effect human health and quality of life.
what are the four types of environmental health hazards
biological, social, chemical, physical
define epidemiology
the study of disease in the human population
define toxicology
the study of how poisonous chemicals affect an organisms health
what is risk assessment
the process of measuring risks
define pathogen
biological hazards
what are infectious diseases
diseases caused by a pathogen, such as a virus or bacteria
how can infectious diseases be spread
humans, water, food, other organisms
what are examples of social hazards
when your social life(work) affects your health
what are examples of chemical hazards that can be found indoors and outdoors
outdoors- oil spills, toxic waste dump, smoke-filled air. Indoors- asbestos, radon, lead, carbon monoxide
define carcinogen
cancer-causing chemical substance
define teratogen
virus or drug that disrupts the fetus
define neurotoxin
toxic substances that kills cells
what is bioaccumulation
the buildup toxic substance
what is bio magnification
it is when an animal eats another animal with toxic substances in it.
what are earthquakes
tectonic plates rubbing up against each other, causes landslides, mudslides, and tsunamis
what are the types of storms
tornado, thunderstorm, hurricane
what are avalanches
mass of snow slidingdown a slope
