2. Environmental Pathways and Health Effects

Try these first

1. 1.

   What are the three primary pathways of exposure to pollutants?

   Hint

   Think about how substances can enter the body.

2. 2.

   Name one source of environmental pollutants.

   Hint

   Consider everyday activities.

3. 3.

   Which of the following is NOT an exposure pathway?

   • Inhalation
   • Ingestion
   • Absorption through textiles

   Hint

   Focus on how pollutants typically enter the body.

4. 4.

   True or False: Toxicity refers to how harmful a substance is to health.

   • True
   • False

   Hint

   Think about what toxicity measures.

5. 5.

   Analyze a recent case involving air pollution in an urban area. Identify the sources, exposure pathways, and potential health effects. Propose a monitoring strategy to assess risk.

   Hint

   Consider both short-term and long-term health impacts.

6. 6.

   Given a scenario where industrial waste is dumped into a river, describe the fate and transport of toxins from the site to a nearby fish population and the health implications for human consumers.

   Hint

   Think about the whole ecosystem's impact and human interactions.