answer the 3 questions

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

Your response should between 200-250 words in length.

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

Your response should between 200-250 words in length.

3. 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. 

Your response should between 200-250 words in length.