Shared Flashcard Set

Details

Health Work and Environment Final Exam Review
044:174 or 175:101 University of Iowa (David Osterberg)
121
Geography
Undergraduate 2
05/07/2012

Additional Geography Flashcards

 


 

Cards

Term
Liver
Definition
Main location for metabolism
Term
John Muir
Definition
-the person who is credited with establishing Yosemite as a national park
-known for his environmental efforts in park and forest preservation
Term
death rate falls before birth rate
Definition
demographic transition that leads to population growth
Term
John Snow
Definition
-recommended removing the handle of the water pump on Broad St in London in the 19th century
-considered the father of epidemiology
Term
Radon
Definition
-has decay products (polonium-218, polonium-214) that give off alpha particles that can damage DNA and cause lung cancer
-most Americans become exposed to it from gas seeping up from the soil into their homes
Term
life expectancy
Definition
at birth, is greater for women in the US than for men
Term
Hazard and Risk Relationship
Definition
Risk is equal to the hazard of a chemical multiplied by the exposure of that chemical. If there is a hazard but no exposure, then there is no risk. If there is an exposure but no hazard, then there is also no risk
Term
Population x Affluence x Technology = environmental effects
Definition
population growth, affluence, and large technical advancements are causing environmental effects, especially when multiplied together
ex: deforestation
Term
Steps in a chemical risk assessment
Definition
1. hazard identification
2. dose-response assessment
3. exposure assessment
3. risk characterization
Term
ADME
Definition
-absorption, distribution, metabolism, excretion
-contaminants are discharged through the kidney, lungs, feces, and body liquids such as sweat, tears, saliva, and breast milk
Term
Basement precautions to keep safe indoor air
Definition
-have special tiles built underneath to prevent radon from seeping in through the soil
-keep humidity of the home below 50% to prevent microbial growth, also monitor water damages
-have your home checked for radon emission (should be below 4 pCi/L)
-limit furnace use to prevent NOx, CO, SO2, and other pollutants
Term
Alice Hamilton
Definition
-considered the mother of occupational and community health
-known for with with shoe-leather epidemiology
-focused attention of health and safety problems in variety of industries
Term
40 degrees F - 140 degrees F
Definition
the danger zone of internal food temperatures when microbes can thrive
Term
Polybrominated chemicals (PBDEs)
Definition
ex: fire retardants
Term
DDT
Definition
-ex: pesticide
-used to be emitted into the air and human bodies from spraying it as a pesticide/insecticide onto fields
-kept away mosquitos
Term
PCBs
Definition
-ex: window and joint caulking
-high levels can be found in superfund sites contaminated by old transformers
Term
Furans and Dioxin
Definition
contaminant with no use
Term
lead
Definition
-emitted through paint on the walls of homes to disperse into the air and reach human bodies
-used to be emitted through gas emissions in cars
-blood levels with this have decreased in US children over the last years
-Beethoven may have been poisoned with medicines or food containing this
Term
Mercury
Definition
-emitted into the air through factory smokestacks and power plants
-most dangerous in organic form
-least dangerous in elemental form
-mad hatter is associated with this
Term
causes for high levels on nitrates in water
Definition
-runoff from CAFOs manure, crop farming using fertilizer, and septic waste system
Term
drinking water & food pathogen protection
Definition
-the government protects the population through the clean drinking water act and the FDA to approve food and monitor sanitation before it is distributed
-individuals can protect themselves by knowing where their drinking water comes from and properly storing all foods, taking note of shelf life and danger zones
Term
Process that leads to hypoxia
Definition
-means severe breakdown of a body of water
-run off of nutrients nitrogen and phosphorous in fertilizer makes its way to rivers and other bodies of water to stimulate surface water plant growth. When these plants die they increase the biochemical oxygen demand (BOD) in the water causing this severe breakdown of oxygen.
-High levels of BOD cause this breakdown in the water making it unsustainable to aquatic life
Term
World's water resources
Definition
-fresh water for drinking and other human use comes mostly from ice caps, then groundwater, then lakes and rivers
-biggest water indoor usage is from toilet flushing
-smallest indoor usage is from drinking and cooking
Term
Secondary Waste treatment processes
Definition
-in a waste water treatment facility
-applied for the removal/treatment of organic compounds
-uses biodegration of dissolved organic material
-major types: landfill stabilization and landfill mining
Term
Current farming practices
Definition
-responsible for 70% of the pollution in the nation's rivers and streams
-not just CAFOs
Term
shallow groundwater
Definition
-20 ft or less
-source of drinking water with the largest amount of nitrates and pesticides from agriculture
Term
European animal agriculture
Definition
-stronger than the US in pesticide/anti-biotic use, most if not all farms are organic
-stronger than the US in chicken caging, banned the use of mass battery cages a few years ago
Term
Food-borne illnesses
Definition
-caused by pathogens in food
-bacteria through salmonella, viruses through norovirus, parasites through roundworms
Term
3-4 days
Definition
-length of time you can safely store left-over pizza in the refrigerator
Term
Water contamination
Definition
-Airborne contamination through NOx or mercury from the rain
-non-point runoff from streets, roofs, and agriculture fields
-point discharge from pipes, ditches, and oil and waste spills from chips
Term
Aral Sea
Definition
lost almost its entire water surface area over the course of 50 years
Term
Oil and grease
Definition
primary conventional water pollutant the causes large fires in the water or on ships
Term
acute trauma
Definition
number one cause of agricultural occupational fatalities
Term
bringing HHW to landfills
Definition
-expensive to dispose of this waste
-no fee is charged to a homeowner who does this in Johnson and Linn county
-if there was a fee people would dispose of this waste in regular trash cans which can be more expensive to deal with later and it is hazardous to the environment
Term
The Basel Convention
Definition
-the dumping of hydrogen sulfide waste in the Ivory Coast by the Dutch firm Trafigura was a violation of this
Term
Household Hazardous Waste (HHW)
Definition
-should not go into ordinary landfills
-ex: weed killer, fluorescent light bulbs, automotive parts and fluids, house cleaners, and aerosol cans
Term
automobile crashes
Definition
leading type of fatal injury in the world
Term
Pitch, Loudness, and Duration
Definition
in order to adequately categorize noise exposure, we need to understand the frequency of the sound, the amplitude of the sound, and the length of time the sound was exposed
Term
Redemption program
Definition
-users pay a fee on pop and beer and get the fee back when they return the container
-rates of aluminum recycled are higher with this than curb side recycling program
Term
Injury Pyramid
Definition
-each level represents outcomes of injury
top: fatalities (most severe)
2nd: hospital admissions
3rd: emergency room visits
4th: reported injuries
bottom: unreported injuries (least severe)
Term
Elderly injuries
Definition
-experience this at high rates, especially falls, but not a leading cause of death like in most age groups
-fatalities by illness are much more prevalent because they have been exposed to chemical/physical factors for a longer time
Term
Automobile death prevention
Definition
-wear seat belts for protection
-enforce speeding laws for less road rage and make drivers be cautious
-add road designs like guard rails for protection
-engineering prevention techniques (round abouts, warning signs, traffic signs)
-drinking and driving laws
Term
Ways particles are deposited into lungs
Definition
diffusion, impaction, sedimentation
Term
Agriculture Risks
Definition
-tractor deaths/injuries: roll overs (most prevalent), run overs, crashes with street cars. Use roll cages over the driver, have proper shields over dangerous areas, be aware of the tractor to reduce run overs and crashes
-skin cancer/melanoma: outside all day working in the hot sun, where proper sunscreen, large hats, cover the skin with clothes
-pesticide poisoning: wear masks to prevent inhalation, protective clothing to prevent skin harming
Term
Asthma
Definition
-smooth muscles of the bronchial tubes constrict and reduce air flow
-inflammation or excess mucus secretion reduces airflow
-symptoms may include coughing, shortness of breath and wheezing
-NOT a non-reversible alteration of the structure of the lung
Term
1 to 44
Definition
unintentional injury was the leading cause of death in the US in 2006 in these age groups
Term
Workplace hazards
Definition
-engineering to eliminate a hazard is usually more effective than educating each worker about a hazard
protection:
-look at noise levels and average durations, provide ear protection if levels are high
-reposition equipment/working area to reduce awkward body positions, and force used during work
-look at chemicals exposed in the workplace and find ways to reduce them or provide workers with proper masks
Term
Accidental needle sticks
Definition
-HIV/AIDS is rarely passed this way
-health workers should be concerned about contracting hepatitis B
-can be avoided by using the red biohazard boxes to dispose them in, covering open wounds/cuts when handling them, and never reusing them
Term
Musculoskeletal disorders (MSDs)
Definition
-work-related cases of these represent about 30% of all non-fatal occupational injuries and illnesses
-higher rates in nursing aids than construction workers
-nursing aids have more risk factors on their muscles and bones from lifting people a lot which requires a lot of exerted force, awkward positioning, and some repetitive movement
Term
Physical agents at work
Definition
-noise
-sun: UV rays and heat
-Radiation machines: xrays, microwaves, etc.
Term
Ergonomic Practitioners
Definition
-people who strive to fit the job to the worker
-occupational injuries will not be reduced by modifying the worker to fit the job
Term
PEL and REL
Definition
-Permissible exposure limits given by OSHA and Recommended exposure limits given by NIOSH
-both give the recommended duration that a person can withstand noise at any level of decibels, use equations to do so
-say that recommended is more realistic because it deals more with physics
Term
60 dB
Definition
level of decibels expressed by normal human conversation
Term
Biological hazard
Definition
-type of hazard
-blood-borne illness from a contaminated needle stick in a hospital/health related job
Term
chemical hazard
Definition
-type of hazard
-contaminated air that causes lung disease (lead, asbestos, etc) from a painting or coal mining job
Term
Increases by 3 dB
Definition
-REL
-two noise sources that each generate 88 decibels, but when put together they generate one noise at 91 decibels
-decibel change?
Term
US Workers Compensation
Definition
-helps companies because it allows small companies to be in a large insurance pool which lowers costs and because an injured worker is taken care of by the insurance company
-there can be no large law suits even if the company is negligent, workers are assured of this if they are injured on the job
-receive $400 of 2/3 of lost wages, whichever is lower
Term
Advantages & disadvantages to system that allowed employee and employer suits
Definition
advantages:
-could get full compensation or more instead of a set amount
-employers would be more cautious of their requirements if they knew they could be sued
disadvantages:
-takes longer to sort out the issue
-could be sensationalized to a point where every employer was being sued
Term
Hearing loss
Definition
non-reversible injury from chronic exposure to noise
Term
Asbestos
Definition
-long, thing fibers which are heat resistant and commonly used in insulation materials and break pads
-when inhaled they can have many harmful effects such as mesothelioma
Term
Forms of Energy that cause injuries
Definition
-mechanical, kinetic, solar
-transfer of these can exceed human thresholds of physiological tolerance
Term
Macrophages
Definition
removes foreign particles from the alveoli
Term
Work illness diagnosis problems
Definition
-not as clear when it happens like injuries are
-sometimes not detected soon enough (symptoms don't appear right away like injuries) to relate it directly to the occupation, so it could be caused by a number of risk factors outside of the occupation
-could result in an incorrect diagnosis or a loss in workers compensation
Term
Post-traumatic stress disorder(PTSD)
Definition
-result from exposure to traumatic experiences of real or perceived threats to the physical integrity of oneself or others.
-three clusters of symptoms used to diagnose: re-experiencing the trauma, avoidance of stimuli, increased arousal
Term
Highway incidents (crashes)
Definition
-most common cause of death on the job
-ex: delivery jobs
Term
alveoli
Definition
the area of the lung where gas exchanges take place across single-cell layer lung tissue and blood capillaries
Term
Environmental service
Definition
-something that humans use and benefit from that only nature can provide and it most times hard to replace by engineering
ex: urban trees- give us shade and cooling and helps with air pollution from the stomata in the leaves. also helps control runoff of storm water
Term
population of the US
Definition
approximately 310 million
Term
Ambient ground level ozone
Definition
-to form it needs sunlight to cause VOCs and NOx to react with atmospheric oxygen
Term
US criteria air pollutants
Definition
-lead (has decreased the most)
-ozone
-nitrogen oxides (NOx)
-sulfur dioxide (SO2) (reduced the least)
-carbon monoxide
-particulate matter
Term
level of education of women
Definition
single most important variable that explains population growth in a country
Term
clean water act
Definition
regulates the amount of waste the Iowa City treatment plant can put into the Iowa River
Term
Reasons kids are more subject to preventable diseases than adults
Definition
-children have a less developed immune system and detoxify toxicants more slowly
-children have smaller body masses so a small dose can effect them
-children breath more rapidly so they take in more toxicants in the air faster
Term
Difference between destruction of Easter Island and abandonment of Norse settlement of Greenland
Definition
-both people eroded their resource base, especially trees
-ice drift affected trade in Greenland
-people of easter island practiced cannibalism
-vikings in norse killed people or made them leave
-easter island had no trees to make canoes
Term
VOCs
Definition
not a criteria pollutant but it is another dangerous substance regularly discharged by coal fired electric plants
Term
cohort study
Definition
in this kind of study investigators begin with 2 populations, one with a disease
Term
Bisphenol A (BPA)
Definition
-new chemical risk to humans
-plastic in water bottles, some are free of this and some are not so it is bad to reuse them
Term
Humidity and Water
Definition
most important in controlling mold in the home
Term
Carbon monoxide, nitrogen oxides, & particulates
Definition
indoor air pollutants that are associated with combustion in the home (furnaces and stoves)
Term
Causes of Pollution
Definition
-population growth
-driving a car everyday (gas emissions)
-using cosmetics and antibiotics that was down the shower/sink/toilet
Term
Examples of Pollution Prevention / P2
Definition
low fuel economy cars, products with less packaging, practicing water conservation
Term
Shared waste products with Asnaes coal fired electric power plant
Definition
-heat with town of Kaulundborg
-gypsum with Gyproc wallboard company
-steam with Novo Nordisk company
-fly ash and clinker with roads and cement
Term
PBTs
Definition
-metals are one form of these
-arsenic, cadmium, and lead are problems to humans
-arsenic thru nature (soil, H20, air), mining, coal combustion
-cadmium thru coal burning and a byproduct of Zn, Cu, and Pb
-lead thru house paint
Term
Silent Spring
Definition
-POPs and DDT were killing many birds and stopping reproduction so there was no birds chirping in the spring
-rachel carson's book
Term
PBT characteristics
Definition
-persistent: does not readily degrade may last for years or decades
-bioaccumulation: takes in faster than it can excrete
-often times biomagnification: level becomes higher as it moves up the food chain
-toxic: damages the central nervous system, endocrine system, reproduction and others
Term
The Stolkhom Convention
Definition
-eliminated or severely restricted several organic contaminates
-ex: "the dirty dozen" aldrin, dieldrin, endrin, heptachlor, chlordane, toxaphene, DDT, hexachlorobenzene, mirex, PCBs, dioxins, dibenzofurans
Term
Arsenic
Definition
-metal
-produced in nature (soil, H2O, air), mining, coal combustion
-in bangladesh it became a risk to people because contaminated surface water was replaced with wells by public health officials
Term
Exercise program by first lady Obama
Definition
new policy to combat the increase of over weight American kids
Term
Soil venting/vapor extraction (SVE)
Definition
an effective measure of treating volitile (semi-soluble compounds)
Term
Protozoa (cryptosporidium)
Definition
-agent that caused the largest number of illnesses in the US because of contaminated drinking water
-happened in Milwaukee in the 1990s
Term
deep groundwater
Definition
-best source of drinking water if worried about nitrate and pesticide contamination
Term
over weight/obese population
Definition
makes up about 70% of US adults
Term
effects of endotoxin on the lungs
Definition
both Kelly Donham and Peter Thorne lectured on this hazard
Term
Recycling
Definition
is the second best on the waste management hierarchy
Term
confined animal feeding operations (CAFOs)
Definition
-iowa legislature prevented counties from imposing stronger regulations on these
-was not able to prevent citizens from suing these under a nuisance action if smell or other issues affected the neighborhood
Term
CERCLA (superfund law)
Definition
US environmental law designed to address problems that arose from transporting newly produced hazardous waste and dumping it improperly
Term
Ecolotree
Definition
-business of bioremediation of contaminated sites
-treats waste by planting fast growing trees with root systems that take up waste
Term
Males over 65 years and under 19 years
Definition
largest risk groups for fatalities on farms
Term
federal insecticide fungicide and rodentcide act (FIFRA)
Definition
regulates active ingredients in pesticides, not the inactive ingredients
Term
environmental justice executive board
Definition
says that all americans have a right to be protected from pollution not just those who can afford to live in the cleanest, safest communities
Term
bio-remediation
Definition
-sometimes a fast way to clean up spills
-might include adding oxygen to the process because oxygen will react with hydrogen to form water
Term
cyclones, hurricanes, typhoons
Definition
disaster that led to the most deaths world wide
Term
looting and rioting
Definition
common act after a disaster
Term
hurricane katrina
Definition
costliest disaster in US history
Term
Education, Engineering, Environment, Enforcement
Definition
4 E's for injury prevention
Term
5 million
Definition
number of people worldwide that die from injury each year
Term
Unintentional injury
Definition
was the leading cause of death in 2003 in the US for people between the ages of 45-54
Term
Firearm death prevention
Definition
-taxes on weapons and ammunition (national firearm act 1934)
-regulation of firearm licenses
-limits on # of firearms that can be purchased
-gun bans
-buybacks
Term
type II meters with slow response and a-weighted scales
Definition
tools used to assess noise levels in workplace environments
Term
interstitial lung disease
Definition
-mechanistic steps to develop this are granuloma formation, irreversible scarring, and repeated injury of the tracheal lining
Term
symptoms of noise induced hearing loss
Definition
-temporary threshold shifts in hearing (short term hearing loss)
-ear discomfort
-tinnitus/ringing/buzzing sensation in ears
-difficulty hearing in noisy environments
Term
Paracelsus
Definition
-father of toxicology
-coined phrase "the dose makes the poison"
-wrote about diseases of miners
Term
Bernardo Ramazzini
Definition
-father of industrial medicine
-emphasized occupation of patient in De Morbis Artificum Diatriba
Term
Tragedies that drove regulation in US
Definition
1911- triangle shirtwaist fire (146 workers, 123 being female, die from fire)
1920s- radium dial painters (bone cancer, blood diseases, pointed brushes with mouth while painting luminous dials with radium containing paint)
1970 to 2009- mine disasters (24 with 5 or more deaths each, 354 deaths total)
Term
incandescent 60 watt light bulb
Definition
-purchased for 50 cents
-cost owner $7.50 in electricity to run its 1000 hour life as 12.5 cents per kilowatt hour
Term
Kyoto protocol
Definition
addressed the issue of global climate change
Term
Montreal protocol
Definition
-addressed the issue of CFCs and began to phase them out
-convention to eliminate ozone eating chemicals
-full compliance should return stratospheric ozone levels to normal by year 2050
Term
intergovernmental panel on climate change (IPCC)
Definition
-has produced reports about every 5 to 7 years since it was founded in 1988
-main activity is to provide an assessment of the state of knowledge of climate change
-released its first assessment report (FAR) in 1990 which played an important role in the discussions of the intergovernmental negotiating committee for UNFCCC
-UNFCCC (adapted in 1992, entered into force in 1994) provides the overall policy framework and legal basis for addressing the climate change issue
Term
ozone depletion model & its effects
Definition
-CFCs and other Cl containing compounds
-Cl and Br atoms in the stratosphere
-ozone depletion with severe seasonal depletion at poles
-more UV reaches earth
outcomes: serious health effects, lower crop yields, more smog, possible climate changes
Term
substitutes to CFCs
Definition
-hydrofluorocarbons (HFCs)do not contain Cl and do not affect the stratospheric ozone layer, but are still powerful greenhouse gases
-hydrochlorofluorocarbons (HCFCs) are better but still greenhouse gases. Montreal protocol requires them to be reduced and totally eliminated in 2030
Term
nuclear power plant
Definition
-if running smoothly it will emit less radiation than a coal fired power plant
Supporting users have an ad free experience!