CPHA CPHA Environmental Health & Occupational Safety 2

Question 1

Which environmental health model uses the framework of Source → Pathway → Receptor to assess community health risks?

Accepted Answer

Exposure Pathway Model

Answer

The Exposure Pathway Model evaluates how a contaminant travels from its source through an environmental medium (pathway) to reach a human receptor.

Question 2

Lead paint hazard regulations under HUD primarily target housing built before which year?

Accepted Answer

1978

Answer

HUD regulations focus on housing built before 1978, the year the US banned lead-based paint for residential use.

Question 3

A public health administrator notices elevated rates of mesothelioma among shipyard workers from the 1970s. Which occupational exposure is most likely responsible?

Accepted Answer

Asbestos

Answer

Asbestos exposure is the primary known cause of mesothelioma, and shipyard workers from earlier decades had significant asbestos exposure through insulation and shipbuilding materials.

Question 4

Which air quality index (AQI) level is considered 'Unhealthy for Sensitive Groups' by the EPA?

Accepted Answer

101–150

Answer

An AQI of 101–150 is classified as 'Unhealthy for Sensitive Groups,' meaning people with respiratory or heart conditions, children, and older adults may experience health effects.

Question 5

Which principle of environmental justice states that all people, regardless of race or income, have the right to equal protection from environmental and health hazards?

Accepted Answer

Fair Treatment Principle

Answer

The EPA defines fair treatment as the principle that no group should bear a disproportionate share of negative environmental consequences, regardless of race, color, or income.

CPHA - Certified Public Health Administrator Practice Test

CPHA - Certified Public Health Administrator Practice Test

CPHA CPHA Environmental Health & Occupational Safety 2