Ch. 20 Test Review (EnScience)

Which of the following pollutants is found in vehicle exhaust, burning waste, fires, and tobacco smoke?

• particulate matter

• lead

• coal dust

• pesticides

Two diseases that can be caused directly by pollution are _____________.

• measles and tuberculosis

• lead poisoning and lung cancer

• cholera and river blindness

• colds and flu

Toxicology is the study of the harmful effects of ________.

• substances on organisms.

• viruses on organisms

• pollutants on the environment

• antibiotics on viruses

After an outbreak of an illness, scientists use epidemiology to try to find ________.

• the origin of the disease

• how the disease spreads

• how to prevent the disease from spreading

• all of the above

Naturally occurring pollutants can become hazardous when they are ______.

• introduced into food

• introduced into water

• above normal levels

• used by industry

Vehicles burning fuel add what pollutants to air?

• carbon monoxide and other particulates

• organophosphates and other particulates

• carbon monoxide and organophosphates

• radon and heavy metals

Which of the following statements is true about pollutants from waste disposal?

• Laws regulating waste disposal are strictly enforced

• Old landfills still prevent any wastes from leaking

• Waste incineration plants no longer emit toxic products

• Many communities release raw sewage into a river of the ocean after a heavy rain

Cholera and dysentery are spread through the environment by ________.

• air

• water

• soil

• mosquitoes

People's action cause some disease-causing bacteria to become ________.

• unaffected by radiation

• extinct

• resistant to antibiotic

• emerging viruses

Which environmental change is most likely to lead to the spread of parasites such as hookworm?

• overuse of pesticides

• resistance to antibiotics

• overuse of antibiotics

• contaminated soil