A person's age, sex, weight, health issues, and genetic makeup influence how he or she responds to

• risk assessment

• natural disasters

• environmental hazards

Infectious diseases can be spread by

• contaminated water.

• human contact.

• animals.

• all of these.

In the United States, which agency takes the lead for responding to emerging diseases?

• Center for Disease Control and Prevention (CDC)

• Environmental Protection Agency (EPA)

• World Health Organization (WHO)

• Federal Emergency Management Agency (FEMA)

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

• biological hazards

• chemical hazards

• social hazards

• physical hazards

Toxicology deals primarily with what types of hazards?

• biological and social

• both chemical and physical

• man 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 are equally affected.

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

• pathogen

• carcenogen

• pandemic

• toxicant

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

• vaping

• pollution from a dump near your school

• a high fat diet

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

• VOC

• carcenogen

• toxicant

• allergen