1. Use an example of any drug or chemical, discuss how the route of exposure can affect the toxicity.

2. Identify the four categories of street drugs; for one of them include at least two examples. Discuss the routes of exposure and how it affects the toxicity. Include all treatments.

3. Describe how toxicant absorption is limited for inhalation, absorption, and ingestion.

Each must be:

between 200-250 words in length. You are required to use at least your textbook as source material for your response. All sources used, including the textbook, must be referenced; paraphrased and quoted material must have accompanying citations.