Chapter 9 Environmental Review

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

• biological hazards.

• social hazards.

• chemical hazards.

• physical hazards.

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

• babies

• teenagers

• parents

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

• toxicology.

• epidemiology.

• dose-response relationship.

• risk assessment.

Tags

NGSS.HS-ETS1-3

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

chemicals that cause cancer

• carcinogen

• allergen

• teratogen

• neurotoxin

What is the BEST way to reduce your risk of contracting and spreading infectious diseases?

• washing your hands

• brushing your teeth

• avoiding unhealthy foods (junk food) and habits (smoking)

• moving away from all volcanoes, hurricanes and tornadoes

Toxicology is the study of how disease affects organisms’ health.

• True

• False

Individuals respond similarly to the same environmental hazards.

• True

• False