MPH Environmental & Occupational Health

Question 1

Which federal agency in the U.S. is primarily responsible for regulating workplace safety and health standards?

Accepted Answer

OSHA

Answer

The Occupational Safety and Health Administration (OSHA) sets and enforces workplace safety standards under the Department of Labor.

Question 2

The 'dose-response relationship' in toxicology means:

Accepted Answer

As exposure to a toxin increases, the health effect typically increases

Answer

The dose-response relationship is a fundamental toxicological principle stating that the magnitude of the biological effect increases with increasing dose.

Question 3

What is the Permissible Exposure Limit (PEL) in occupational health?

Accepted Answer

The regulatory limit for worker exposure to chemical hazards

Answer

PELs are OSHA-mandated limits on the concentration of hazardous substances that workers can be exposed to during an 8-hour workday.

Question 4

Lead exposure in children is most associated with:

Accepted Answer

Neurodevelopmental impairment

Answer

Lead is a neurotoxin especially harmful to developing brains, causing cognitive deficits, behavioral problems, and reduced IQ in children.

Question 5

Which of the following is a primary air pollutant regulated under the U.S. Clean Air Act?

Accepted Answer

Particulate matter (PM2.5)

Answer

PM2.5 is one of the six criteria air pollutants directly regulated under the Clean Air Act's National Ambient Air Quality Standards.

MPH - Master of Public Health Practice Test

MPH - Master of Public Health Practice Test

MPH Environmental & Occupational Health