Phlt 304 stuvia Study guides, Class notes & Summaries

Infectious disease: Worms and protozoans, Neglected Tropical diseases - Answers April 4 Neglected Tropical Diseases (NTDs) - Answers A number of NTDs are caused by worms and protozoa • NTDs: substantial morbidity & mortality • typically persist only in the poorest, most marginalized communities and conflict areas • Social stigma & disability • Lost income • Children kept out of school • Reduced ability to care for family • All low-income countries are affected by a...

A number of NTDs are causes by ______________ and ________________. - Answer a number of NTDs are causes by worms and protozoas. NTDs: - Answer Neglected Tropical Diseases -substantial morbitiy and mortality NTDs are typically persist only in the _______________, more marginalizes ___________________. What are the 4 characteristics of the conflicted areas? - Answer NTs are typically persist only in the poorest, most marginalized communnities. Conflicted ares include -social stigm...

Functions of kidneys - Answer - Maintenance of 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 (BP) Erythropoietin - Answer produced by kidneys in response to tissue hypoxia; stimulates production of blood cells Kidneys participate in conversion of vitamin D - Answer a prehormone from diet (or skin synthesis) to the active form of v...

Circadian Rhythms are: - Answer -Physical, mental, behavioral changes that occur over each 24 hour period -Cyclical -Governed primarily by light/dark Biological Clocks: - Answer -Control these cyclic responses -Composed of proteins in almost all tissues Suprachiasmatic nucleus (SNS) - Answer -Overall master clock -Composed of ~ 20,000 nerve cells -Located in the brain & receives direct input from eyes -SCN controls production of melatonin (hormone that makes you drowsy) Disruption...

central nervous system - Answer consists of the brain and spinal cord peripheral nervous system - Answer cranial and spinal nerves somatic nervous system - Answer the division of the peripheral nervous system that controls the body's skeletal muscles autonomic nervous system - Answer the part of the peripheral nervous system that controls the glands and the muscles of the internal organs (such as the heart). Its sympathetic division arouses; its parasympathetic division calms. senso...

what is one health? - Answer health of people is connected to health of animals, plants and shared environments approach to achieving optimal health for people and other organisms in environment leading factors causing decline of insect populations - Answer habitat change = mono cultures in agriculture, draining wetlands, soil loss pollution = pesticides and fertilizers biological factors = invasive species climate change what are ecosystem services? - Answer functions of natural sys...

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...

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 ...

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...