MPH Environmental & Occupational Health 3

Question 1

Radon gas is a major public health concern primarily because it is:

Accepted Answer

The leading environmental cause of lung cancer in non-smokers

Answer

Radon is a naturally occurring radioactive gas that accumulates in buildings and is the leading cause of lung cancer among non-smokers in the U.S.

Question 2

Which of the following best describes 'environmental justice'?

Accepted Answer

The equitable distribution of environmental burdens and benefits across all communities

Answer

Environmental justice addresses the disproportionate exposure of low-income and minority communities to environmental hazards and their underrepresentation in environmental decision-making.

Question 3

Bioaccumulation in the food chain is a concern with which class of pollutants?

Accepted Answer

Persistent organic pollutants (POPs)

Answer

Persistent organic pollutants like PCBs and DDT accumulate in fatty tissues and magnify in concentration up the food chain (biomagnification).

Question 4

Heat stress in workers is best prevented by:

Accepted Answer

Providing rest breaks, hydration, and shade or cooling areas

Answer

OSHA recommends rest breaks, adequate hydration, and access to cool or shaded areas as primary strategies to prevent heat-related illness in workers.

Question 5

The term 'LOAEL' in toxicology stands for:

Accepted Answer

Lowest Observed Adverse Effect Level

Answer

LOAEL is the lowest dose in a study at which statistically or biologically significant adverse effects are observed in exposed animals or humans.

MPH - Master of Public Health Practice Test

MPH - Master of Public Health Practice Test

MPH Environmental & Occupational Health 3