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CPHA Environmental Health & Occupational Safety Flashcards

6 cards from real CPHA practice questions. Tap to flip, then mark Knew It or Still Learning — missed cards come back until you master them.

Read the first 6 CPHA Environmental Health & Occupational Safety flashcards as text

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

    Answer: Exposure Pathway Model

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

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

    Answer: 1978

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

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

    Answer: Asbestos

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

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

    Answer: 101–150

    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.

  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?

    Answer: Fair Treatment Principle

    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.

  6. The 'hierarchy of controls' in occupational health lists which approach as the most effective way to protect workers from hazards?

    Answer: Elimination

    Elimination — physically removing the hazard — is the most effective control in the hierarchy because it completely removes the risk rather than managing it.