Phlt 304 stuvia - Study guides, Class notes & Summaries

Night shift work is - Answer probably carcinogenic Positive associations have been found between night shift work and - Answer breast, colon and rectum cancers Night shift work is usually found in - Answer health care, manufacturing, retail, service sector, and transport industries Top sleep deprived country - Answer Japan Top 6 sleep deprived countries - Answer Japan, US, UK, Germany, Canada, Mexico What percent of Americans report getting less than seven hours of sleep a night? ...

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...

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...

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...

NTDs - Answer Neglected Tropical Diseases A number of NTDs are caused by - Answer worms and protozoa NTDs typically persist only in the - Answer poorest All low-income countries are affected by at least _______ NTDs - Answer 5 CDC's Targeted NTDs - Answer • Lymphatic filariasis • Onchocerciasis (oncho or river blindness) • Shistosomiasis (bilharzia, snail fever) • Soil transmitted helminths • Trachoma • Guinea worm disease (Dracunculiasis) LF - Answer Lymphatic F...

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...

Agent - Answer virulence, infectivity, addictive qualities (PH Triad) Host - Answer genetic susceptibility, resiliency, nutritional status, motivation (PH Triad) Environment - Answer public health sanitation, social context, availability of health care Anthropogenic Pollution - Answer emission of CO2, emission of GHG, industries, increase vehicles, deforestation, chemical fertilizers, HUMAN Natural Pollution - Answer volcanic eruptions, meteorites, sunspot/solar cycle, ocean currents...

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...