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5 Written questions

5 Matching questions

  1. aldehydes
  2. primary pollutant
  3. indoor air pollution
  4. clean air acts
  5. cilia
  1. a U.S. Congress passed the Clean Air Acts of 1970, 1977, and 1990, which have established air pollution regulations for key pollutants that are enforced by states and by major cities; these acts have greatly reduced outdoor air pollution from six major pollutants.
  2. b cause cross-linking that inactivates proteins and nucleic acids
  3. c short, hair-like structures made of microtubules that enable movement of cells or movement of materials outside a cell
  4. d Compounds that affect breathing that occur indoors. Examples: woodstove smoke, furnace emissions, formaldehyde, radon, household chemicals
  5. e A pollutant that is put directly into the atmosphere by human or natural activity

5 Multiple choice questions

  1. the National Ambient Air Quality Standards established by the U.S. federal government to limit air pollution
  2. a brownish haze that is a mixture of ozone and other chemicals, formed when pollutants react with each other in the presence of sunlight
  3. secondary air pollution for which can injure plant tissue, irritate eyes, and aggravate respiratory illnesses in humans
  4. According to the EPA, mobile sources produce nearly half of two major causes of smog—volatile organic compounds (VOCs) and nitrogen oxides (NOx), almost 90% of carbon monoxide, and more than half of hazardous air pollutants.
  5. lung disease caused by inhaling coal dust

5 True/False questions

  1. respiratory bronchiolebranches of the terminal bronchioles that subdivide into several alveolar ducts

          

  2. carbon dioxide(CO) Sources include incomplete combustion of fossil fuels. Effects: binds to hemoglobin reducing bloods ability to carry O2. Reduction accomplished by catalytic converters, oxygenated fuel, mass transit (reduction).

          

  3. emphysemaan abnormal condition of the lungs marked by decreased respiratory function

          

  4. oxides of nitrogenS + O₂ → SO₂
    2SO₂+ O₂ → 2SO₃
    SO₃+ H₂O → H₂SO₄, natural source: volcanoes, decay of organic matter. man made source: combustion of sulfur containing coal and smelting of sulfide ores. methods of reduction: alkaline scrubbing.

          

  5. volatile organic compoundsOrganic chemicals that evaporate readily and exist as gases in the air

          

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