BHS Environmental Health 1

Question 1

Which federal agency is primarily responsible for setting and enforcing environmental health regulations in the United States?

Accepted Answer

EPA

Answer

The Environmental Protection Agency (EPA) is the primary federal agency responsible for setting and enforcing regulations to protect human health and the environment.

Question 2

What is the most common route of lead exposure in young children in the United States?

Accepted Answer

Ingestion of lead-based paint chips and dust

Answer

Ingestion of lead-based paint chips and household dust contaminated with lead is the most common exposure pathway for young children, particularly in homes built before 1978.

Question 3

Which of the following is classified as a 'criteria air pollutant' under the Clean Air Act?

Accepted Answer

Carbon monoxide

Answer

Carbon monoxide is one of the six criteria air pollutants regulated under the Clean Air Act's National Ambient Air Quality Standards (NAAQS).

Question 4

The process by which concentrations of a contaminant increase in organisms at successively higher trophic levels of the food chain is called:

Accepted Answer

Biomagnification

Answer

Biomagnification describes the increasing concentration of a pollutant (such as DDT or methylmercury) in organisms at higher trophic levels as predators consume multiple contaminated prey.

Question 5

Which disease is most directly associated with occupational exposure to asbestos?

Accepted Answer

Mesothelioma

Answer

Mesothelioma is a rare cancer of the pleural lining caused almost exclusively by asbestos exposure, with a latency period of 20–50 years.

BHS - Bachelor of Health Science Practice Test

BHS - Bachelor of Health Science Practice Test

BHS Environmental Health 1