Phlt 304 stuvia - Study guides, Class notes & Summaries

Public Health Triad - Answer host factors, environmental factors, agents (people, other species, environment) Anthropogenic pollution - Answer caused by humans; most of what people consider pollution; lead, carbon monoxide, ozone, particulate matter, SO2, etc. soil -- microbes, pesticides, mining, slash and burn Naturally-Occurring pollution - Answer volcanoes, soil deposits, natural seepage, fires Bioaccumulation - Answer accumulation of a toxic chemical in the tissue of a particular...

kidneys - Answer -maintain body fluids and salt levels -excretion of wastes and foreign particles - hormone synthesis renin - Answer angiotensin system- controls water and salt reabsorption by kidneys - regulates blood pressure Erythropoietin - Answer produced by kidneys in response to tissue hypoxia - stimulates production of blood cells hypoxia - Answer oxygen deficiency nephron - Answer unit of filtration in the kidney - avg # per kidney : 900,000- 1 mil - range is betwe...

Public Health Triad - Answer -the triad consists of an external agent, a susceptible host, and an environment that brings the host and agent together. -disease results from the interaction between the agent and the susceptible host in an environment that supports transmission of the agent from a source to that host. What is one health and how is it important to public health? - Answer -One Health is a collaborative, trans-disciplinary approach to achieving optimal health for people and other...

Environmental Health: - Answer addresses all the physical, chemical, and biological factors external to a person, and all the related factors impacting behaviors. It encompasses the assessment and control of those environmental factors that can potentially affect health. It is targeted towards preventing disease and creating health-supportive environments. This definition excludes behavior not related to environment, as well as behavior related to the social and cultural environment, a...

The Epidemiological Triad - Answer People, environment, and other species One Health - Answer the health of people is connected to the health of what is around us ecosystem services - Answer functions of the natural systems that give humans resources for free ecosystem services examples - Answer Trees, vultures, bees, sea otters, etc... Pollution can be natural of ___________________. - Answer anthropogenic Anthropogenic - Answer caused by humans Euthrophication - Answer water ...

the public health triad - Answer People->other species->environment-> public health triad is similar - Answer epidemiologic triad agent->environment->host-> One health - Answer collaborative trans-disciplinary approach to achieving optimal health for people and other organisms in the environment - the health of the people is connected to the health of animals, plants, and the shares environment ecosystem services - Answer a framework for understanding human intera...

Deficiencies in Vitamin C - Answer What caused scurvy or Rickets? Water soluble can be excreted from the body safely(vitamin B) Lipid soluble can accumulate to detrimental levels (A,D,E,K)-can cause an overdose - Answer Why is it important to know about lipid and water soluble vitamins? Dietary Supplement - Answer What is an essential nutrient/vitamin/mineral? Eat large variety of foods - Answer What is the best way to get vitamins? Need very little from food, too much can be harmfu...

parasite - Answers organism that lives in or on a host and gets food from the host at the hosts expense - helminths (parasitic worms) - protozoa - ectoparasites (ticks, fleas lice- most important as disease vectors) - Answers what are the 3 main classes of parasites that the CDC lists? Neglected Tropical Diseases (NTDs) - Answers -parasitic and bacterial diseases that cause illness for more than one billion people globally -Affecting world's poorest people, impair physical and cognit...