Question 1

Photochemical oxidation reactions are driven by

Accepted Answer

A)   The great instability of the reactants
B)   The heat of industrial activity
C)   Solar energy
D)   Entropy
E)   Light, regardless of whether it is the sun or indoor lightF) A) and E)
G) A) and D)

Question 2

There are serious signs that ozone depletion may lead to

Accepted Answer

A)   Increased incidence of skin cancers
B)   Increased incidence of blindness
C)   Depletion of plankton populations
D)   Reduced agricultural production
E)   All of theseF) A) and B)
G) C) and E)

Question 3

Anthropogenic sources of carbon dioxide levels in the atmosphere are

Accepted Answer

A)   Increasing at the rate of about 0.5 percent per year
B)   Easily determined with recent technological advances
C)   Measured with a great deal of precision
D)   All offset by carbon storage in northern forests
E)   All of these are correctF) B) and E)
G) A) and E)

Question 4

Native peoples living in the Canadian Arctic have some of the highest recorded PCB concentrations in their bodies because of

Accepted Answer

A)   Unusually high susceptibility to contamination
B)   Concentrated natural occurrence of PCBs in that region
C)   Local production of PCBs
D)   Long-range transport of airborne pollutants
E)   An industrial accident that left the persistent PCBs in the environmentF) All of the above
G) C) and D)

Question 5

Although coal burning contributes a very small amount, the high mercury levels in fish result from spills of mercury directly into the water.

Accepted Answer

A) True 
 B)False

Question 6

Most air pollution in the world is associated with

Accepted Answer

A)   agriculture.
B)   transportation and energy production.
C)   nuclear power plants.
D)   forest fires.E) A) and B)
F) A) and C)

Question 7

The US governmental agency responsible for regulating air pollutants is the

Accepted Answer

A)   National Park Service
B)   Fish and Wildlife Service
C)   Bureau of Reclamation
D)   Bureau of Remediation
E)   Environmental Protection AgencyF) B) and E)
G) B) and D)

Question 8

Sudbury, Ontario's copper-nickel smelter is notorious for having

Accepted Answer

A)   Destroyed the local ecosystem with sulfur-laden smoke
B)   Caused brown lung disease in miners
C)   Spread cyanide in nearby rivers
D)   Caused childhood leukemia in nearby neighborhoods
E)   Caused all of theseF) B) and C)
G) A) and E)

Question 9

A common example of a photochemical oxidant is

Accepted Answer

A)   NO2
B)   H2S
C)   CO2
D)   Methane
E)   All of these are correctF) A) and E)
G) None of the above

Question 10

Synergistic effects occur when there is more damage of exposure when two factors are together.

Accepted Answer

A) True 
 B)False

Question 11

The "ozone hole" is a depletion currently most serious

Accepted Answer

A)   At the most populated latitudes
B)   Over North America
C)   In tropical latitudes
D)   Near the equator
E)   In AntarcticaF) A) and B)
G) A) and C)

Question 12

The most dangerous airborne particulates are those that are

Accepted Answer

A)   Large enough to damage the skin and eyes
B)   Small enough to be drawn into the lungs
C)   Anthropogenic
D)   Liquid
E)   Produced in industrial settingsF) A) and E)
G) A) and C)

Question 13

Which of the following is the best example of synergistic effects?

Accepted Answer

A)   The disappearance of plant life around Sudbury, Ontario
B)   The prevalence of cancer among smokers exposed to asbestos fibers
C)   The appearance of PCBs in residents of remote Arctic villages
D)   Cancer caused by fibrosis in the lungs
E)   Chlorosis in plant leavesF) C) and E)
G) C) and D)

Question 14

Which of the following is colorless, odorless, and highly toxic?

Accepted Answer

A)   Carbon dioxide
B)   Carbon monoxide
C)   Nitrogen oxides
D)   OzoneE) All of the above
F) None of the above

Question 15

Since the 1986 ban on leaded gasoline in the United States,

Accepted Answer

A)   there have been no appreciable improvements as a result of this legislation.
B)   children's average blood lead levels have dropped and average IQ's have risen.
C)   children's blood lead levels have continued to rise, calling into question the effectiveness of the legislation.D) None of the above
E) All of the above

Question 16

Stable air masses over cities and warm updrafts between tall buildings often create _________ in and near cities.

Accepted Answer

A)   Dust domes of suspended pollutants
B)   Cyclonic dust storms
C)   Convective rain storms
D)   Low pressure zones that dissipate pollution
E)   High pressure zones that dissipate pollutionF) C) and E)
G) None of the above

Question 17

The most common human health response to air pollution is

Accepted Answer

A)   Inflammatory responses in sensitive tissues
B)   Lung cancer
C)   Blindness caused by deteriorating eye tissues
D)   Skin cancer
E)   Heart diseaseF) D) and E)
G) B) and D)

Question 18

An aerosol is

Accepted Answer

A)   A chemical propellant
B)   A rigidly defined chemical composition
C)   Any liquid droplet or solid particle suspended in air
D)   Not considered as hazardous to human health as other air pollutants
E)   Not as apparent in the air as other air pollutantsF) A) and C)
G) B) and D)

Question 19

Life expectancy for people in U.S. cities with the dirtiest air is significantly lower than for those with cleaner air.

Accepted Answer

A) True 
 B)False

Question 20

Emissions of all of the following have gone down in the last 40 years except for

Accepted Answer

A)   carbon monoxide.
B)   lead.
C)   particulate matter.
D)   sulfur dioxide.E) A) and D)
F) B) and C)

Exam 16: Air Pollution

The US governmental agency responsible for regulating air pollutants is the

Correct AnswerverifiedShow Answer

An aerosol is

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Life expectancy for people in U.S. cities with the dirtiest air is significantly lower than for those with cleaner air.

Correct AnswerverifiedShow Answer

Photochemical oxidation reactions are driven by

Correct AnswerverifiedShow Answer

Sudbury, Ontario's copper-nickel smelter is notorious for having

Correct AnswerverifiedShow Answer

Stable air masses over cities and warm updrafts between tall buildings often create _________ in and near cities.

Correct AnswerverifiedShow Answer

Which of the following is the best example of synergistic effects?

Correct AnswerverifiedShow Answer

The "ozone hole" is a depletion currently most serious

Correct AnswerverifiedShow Answer

A common example of a photochemical oxidant is

Correct AnswerverifiedShow Answer

The most common human health response to air pollution is

Correct AnswerverifiedShow Answer

Emissions of all of the following have gone down in the last 40 years except for

Correct AnswerverifiedShow Answer

Most air pollution in the world is associated with

Correct AnswerverifiedShow Answer

There are serious signs that ozone depletion may lead to

Correct AnswerverifiedShow Answer

The most dangerous airborne particulates are those that are

Correct AnswerverifiedShow Answer

Which of the following is colorless, odorless, and highly toxic?

Correct AnswerverifiedShow Answer

Since the 1986 ban on leaded gasoline in the United States,

Correct AnswerverifiedShow Answer

Although coal burning contributes a very small amount, the high mercury levels in fish result from spills of mercury directly into the water.

Correct AnswerverifiedShow Answer

Anthropogenic sources of carbon dioxide levels in the atmosphere are

Correct AnswerverifiedShow Answer

Synergistic effects occur when there is more damage of exposure when two factors are together.

Correct AnswerverifiedShow Answer

Native peoples living in the Canadian Arctic have some of the highest recorded PCB concentrations in their bodies because of

Correct AnswerverifiedShow Answer

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