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Discuss the factors that determine the fate of particles in the human respiratory tract.

1. Describe acute exposures and chronic exposures to air pollutants, and discuss the difference between the direct and indirect effects of those exposures. Provide an example of each type of exposure, as well as each type of effect.

Your response should be at least 200 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

 

2. Discuss the critical functions of the respiratory system and why the inhaled air volume is an important mechanism for introducing pollutants into the respiratory system. How are breathing volumes and capacities measured?

Your response should be at least 200 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.

 

3. Identify the EPA’s six criteria pollutants. Discuss the chemical characteristics and health effects of each.

Your response should be at least 200 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.

 

4. Discuss the factors that determine the fate of particles in the human respiratory tract. How do the chemical characteristics of the particles determine the pathway and the effects of a pollutant on the health of an individual?

Your response should be at least 200 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.

 

5. Matching

A.
A neurotoxin
B.
Can cause damage when leaked from poorly-vented gas appliances
C.
A major daytime outdoor air pollutant
D.
Binds to hemoglobin in red blood cells
E.
The NAAQS is 0.03 ppm (annual average)

 

Carbon monoxide

Ozone

Lead

Nitrogen dioxide

Sulfur dioxide

 


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