Environmental health

Question 1

what is environmental health?

Answer 1

health consequences of collective interactions of humans with their surroundings.

Question 2

what are sources of environmental health?

Answer 2

technological advances increased the ability to affect and damage the environment, environmental pollutants contribute to infectious diseases, immediate symptoms, and chronic diseases, and rapid population growth means more competition and consumption of resources.

Question 3

what is the impact of energy use?

Answer 3

energy consumption, automobile exhaust, electric power plants, burning of oil, pollution on land and in water.

Question 3

how does population growth affect the earth’s environment?

Answer 3

high birth rates, high death rates, food availability low, land and water availability low, energy consumption, and minimum acceptable standard of living.

Question 3

what is the air quality index (AQI)?

Answer 3

it indicates whether air pollution poses a health concern (0-500 range) when it exceeds 100, air quality is unhealthful.

Question 3

what is the cause and affect of smog?

Answer 3

a mixture of pollutants, ground level ozone is the key ingredient, and linked to a combination of heavy motor vehicle traffic, high temps, and sunny weather.

Question 4

what is the cause and affect of the greenhouse effect?

Answer 4

REradiation causes a buildup of heat that raises the temperature of the lower atmosphere.

Question 5

what are major outcome of global warming?

Answer 5

Increased rainfall and flooding, increased mortality from heat stress, urban pollution, tropical disease, extreme weather, shift in location of vegetation zones, alternations of ecosystems, and rapid and drastic melting of the polar ice caps.

Question 6

how to prevent air pollution?

Answer 6

cut back on driving, use energy efficient appliances, insulate your home, plant and care for trees, and ventilate your home.

Question 7

what are ways to help with water pollution?

Answer 7

take quick showers, install faucet aerators, fix leaky faucets, and do not flush old medication

Question 8

what is the biggest problem of solid waste disposal?

Answer 8

paper products are the biggest component of household trash, yard waste, plastic, metals and glass, and about 1% of solid waste is toxic. Manufacturing, mining, and other industries all produce large amounts of potentially dangerous materials that simply cannot be dumped.

Question 9

what is asbestos?

Answer 9

Widely used for fire protection and insulation in buildings until the late 1960s. Causes asbestosis, lung cancer, and other serious lung diseases

Question 10

what is lead?

Answer 10

In pipes and paints (until banned in 1978). Causes neurological and other serious impairments. Presence of lead pipes contributed to the drinking water crisis in Flint, Michigan.

Question 11

what are pesticides?

Answer 11

Pesticides and herbicides are used to present insect-borne disease and maximize food production
Built up in the food change through biomagnification

Question 12

what is mercury?

Answer 12

From coal-fired power plants, mining and smelting operations, and consumer products.
Damages nervous and other body systems.

Question 13

why is radiation an environmental issue?

Answer 13

radiation differs in wavelength and energy, shorter waves have the highest energy level. Ultraviolet rays, microwaves, X-rays, the sun, electronics, uranium, and nuclear weapons. Gamma rays at high doses can cause radiation sickness

Question 14

what is the issue with nuclear weapons and nuclear energy?

Answer 14

Nuclear power was first developed as alternative power. Accidents in nuclear plants have been disastrous
Problem is waste disposal

Question 15

what is the source of electromagnetic radiation?

Answer 15

microwave ovens, computer monitors, cell phones, and specific absorption rate (SAR) is a way to measure the quantity of radio frequency energy absorbed by the body.

Question 16

What is the concern with persistent noise pollution?

Answer 16

hearing loss and stress, prolonged exposure to sounds above 80 to 85 decibels can cause permanent hearing loss.

Question 17

what are ways to protect yourself against noise pollution?

Answer 17

Wear ear protectors when working around noisy machinery, When listening to music on a headset, set the volume below 60% of the maximum, For children, avoid toys that make loud noises, Avoid exposure to painfully loud sounds , Avoid repeated exposure to any sounds above 80 decibels