Environmental Health

Viruses, bacteria, and other organisms in the environment that harm human health are classified as

• biological hazards.

• social hazards.

• chemical hazards.

• physical hazards.

Toxicology deals primarily with what types of hazards?

• biological and social

• both chemical and physical

• human-made

• natural disasters

Which of the following types of people generally has a greater sensitivity to environmental hazards than the other types of people?

• teenagers

• adults

• infants

• none; all have equal sensitivity

The process of measuring the chance that an environmental hazard will cause harm is called

• toxicology

• epidemiology

• dose-response relationship

• risk assessment

Infectious diseases are diseases caused by an organism such as a virus or a bacterium, which is called a

• pathogen

• toxicant

• pandemic

• carcinogen

A disease that has appeared in the human population for the first time or that has existed for a while, but is increasing rapidly or spreading around the world is called

• environmental

• pandemic

• emerging

• infectious

Which of the following is an example of a social hazard that cannot easily be controlled?

• smoking cigarettes

• pollution from a factory near your school

• lack of exercise

• a high-fat diet

Any substance that poses a chemical hazard is considered a(n)

• VOC

• allergen

• carcinogen

• toxicant

Chemicals that cause cancer are called

• carcinogens

• hazards

• teratogens

• neurotoxins

Tags

NGSS.HS-LS1-1

What do asbestos, radon, volatile organic compounds, carbon monoxide, and lead all have in common?

• They are chemical hazards that can be found indoors.

• They are highly dangerous carcinogens.

• Exposure to them cannot be prevented.

• They are unnatural and made only by humans.