Rivka is an active 21-year-old who decided to take a day off from her university classes. The weather was hot and the sun bright
, so she decided to go down to the beach. When she arrived, she found a few people playing beach volleyball, and they asked if she wanted to join in. She put down her school bag and began to play. The others were well prepared for their day out and stopped throughout the game to have their power drinks and soda pop. Several hours after they began to play, however, Rivka was not feeling so good. She stopped sweating and was feeling dizzy. One player noted she had not taken a washroom break at all during the day. They found a shaded area for her, and one of the players shared his power drink with her. Rivka was thirstier than she realized and quickly finished the drink.In pronounced dehydration, hypotension can occur. How would this affect the glomerular filtration rate of the kidney? What actions by the juxtaglomerular apparatus would occur to restore GFR?What is the effect aldosterone has on the distal convoluted tubule? Why would the actions of aldosterone be useful to Rivka in her situation?What does a specific gravity test measure? If someone tested the specific gravity of Rivka’s urine, what might it indicate?
Community health is a branch of public health which focuses on people and their role as determinants of their own and other people's health in contrast to environmental health, which focuses on the physical environment and its impact on people's health. water, soil, and food. Natural and technological disasters. Climate change. Environmental factors include temperature, food, pollutants, population density, sound, light, and parasites. Why Is Environmental Health Important? Maintaining a healthy environment is central to increasing quality of life and years of healthy life. Globally, 23% of all deaths and 26% of deaths among children under age 5 are due to preventable environmental factors. ... Natural and technological disasters. WHO's programmes and initiatives on water and sanitation, vector-borne diseases, indoor air pollution, chemical safety, transport, ultraviolet radiation, nutrition, occupational health, food safety and injury prevention all address issues critical to improving environmental health. What Are the Top 5 Environmental Concerns for 2019? Biodiversity. Biodiversity is the most complex and vital feature of our planet. ... Water. Water pollution is a huge concern for us and our environment. ... Deforestation. We need plants and trees to survive. ... Pollution. ... Climate Change. A healthy, equitable community is one that offers complete social, physical and mental well-being to all its residents at all stages of life and has the following themes embedded across all the components: accessibility, affordability, stability, diversity, safety, equity. Air Quality. Air pollution is a major environmental risk to health and is estimated to cause approximately two million premature deaths worldwide per year. A reduction of air pollution is expected to reduce the global burden of disease from respiratory infections, heart disease, and lung cancer.
