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

EPA

Answer

CDC

Answer

NIOSH

Question 2

The 'dose-response relationship' in toxicology means:

Accepted Answer

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

Answer

A drug dose determines the speed of patient response

Answer

Higher doses are always more toxic than lower doses

Answer

The response depends on the route of exposure, not the 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

The maximum level of air pollutants allowed outdoors

Answer

The dose at which 50% of animals show a toxic effect

Answer

The threshold below which no adverse effect is expected

Question 4

Lead exposure in children is most associated with:

Accepted Answer

Neurodevelopmental impairment

Answer

Respiratory disease

Answer

Liver toxicity

Answer

Skin sensitization

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

Acid rain

Answer

Ground-level ozone

Answer

Smog

Question 6

Asbestos exposure is most strongly associated with which disease?

Accepted Answer

Mesothelioma

Answer

Emphysema

Answer

Lung adenocarcinoma

Answer

Silicosis