Unit 6 - Environmental health Flashcards
basic enviorment factors
air, water, food, shelter, sanitation, space,
hazards
physical, chemical, biological
biological hazard
infectious or non infectious
- viruses, bacteria, protozoans, helminths, endotoxins
chemical hazards
- inorganic/organic chemicals
- natural and synthetic
physical hazards
-psychical environment
- radiation, sound, temp., light, climate
occupational hazard
- risk accelerated because of particular occupation
psychosocial
- psychosocial and social experiences of an individual
risk factors
- dose
- exposure time
- hazard characteristic
dose - biol. hazard
pathogen
- type
- virulence
- role
host
- immunocompromised
- vaccinated
dose - physical
not dose dependant
not dose dependant
- physical objects
- injury
- drowning
- accidents
dose - physical
dose dependant
dose dependant
- radiation
- temp
- noise
- vibration
dose - chem. hazard
- concentration
- properties
exposure time
impacts effect in individual and risk of hazard
weather
short term atomspheric conditions
climate
long term weather patterns in the area
global warming
- long term warming of earth
- temp increasing since 1800
climate change
- encompasses global warming
- broader range of changes
4 Compounds discussed that contribute to the greenhouse effect
Water Vapour, carbon dioxide, methane, nitrous oxide
greenhouse effect
warming of earth due to increased greenhouse gases in atom. (re-radiated heat)
impacts of climate change
rising sea levels, thawing permafrost, high temps. etc
2.6
peak in 2020
4.5
peak in 20240
