Question 1

Fugitive emissions are produced by

Accepted Answer

A) Smokestacks 
B) Power plants and other heating equipment 
C) Reactions between pollutants and atmospheric gases 
D) Strip mining, rock crushing, and other dust-producing activities 
E) Industry and must go through a smokestack for filtration 
A) Smokestacks 
B) Power plants and other heating equipment 
C) Reactions between pollutants and atmospheric gases 
D) Strip mining, rock crushing, and other dust-producing activities 
E) Industry and must go through a smokestack for filtration D

Question 2

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

Accepted Answer

A) True 
 B)False  True

Question 3

Large filter bags can be used by industries to _________ airborne pollutants.

Accepted Answer

A) Electrostatically precipitate 
B) Displace 
C) Disperse 
D) Trap 
E) Prevent 
A) Electrostatically precipitate 
B) Displace 
C) Disperse 
D) Trap 
E) Prevent D

Question 4

Formaldehyde is an especially problematic indoor pollutant because it is

Accepted Answer

A) Far more toxic than most other substances 
B) Produced naturally by the earth below buildings 
C) So difficult to detect 
D) Highly carcinogenic 
E) Used in so many household materials 
A) Far more toxic than most other substances 
B) Produced naturally by the earth below buildings 
C) So difficult to detect 
D) Highly carcinogenic 
E) Used in so many household materials

Question 5

Which of the following is NOT a volatile organic compound?

Accepted Answer

A) Benzene 
B) Methane 
C) Formaldehyde 
D) Chlorofluorocarbons 
E) Terpene 
A) Benzene 
B) Methane 
C) Formaldehyde 
D) Chlorofluorocarbons 
E) Terpene

Question 6

Pollutants such as chlorofluorocarbons deplete atmospheric ozone

Accepted Answer

A) When nitrogen combines with O3 to form NOx 
B) When chlorine-containing molecules are oxidized at the expense of O3 
C) Because chlorine is most stable as ClO3 
D) When carbon reacts with O3 to form CO3 
E) None of these is correct 
A) When nitrogen combines with O3 to form NOx 
B) When chlorine-containing molecules are oxidized at the expense of O3 
C) Because chlorine is most stable as ClO3 
D) When carbon reacts with O3 to form CO3 
E) None of these is correct

Question 7

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 pollutants 
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 pollutants

Question 8

Secondary pollutants

Accepted Answer

A) Harm only vulnerable members of a population 
B) Become dangerous after reacting in the atmosphere 
C) Are produced in lesser quantities than primary pollutants 
D) Are less dangerous than other pollutants 
E) Are classified by the EPA as the second-most dangerous and abundant 
A) Harm only vulnerable members of a population 
B) Become dangerous after reacting in the atmosphere 
C) Are produced in lesser quantities than primary pollutants 
D) Are less dangerous than other pollutants 
E) Are classified by the EPA as the second-most dangerous and abundant

Question 9

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 leaves 
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 leaves

Question 10

A temperature inversion occurs when

Accepted Answer

A) Two warm air layers surround a cold air layer 
B) Two cold air layers overlay a warm air layer 
C) Stable cold air overlays warm air 
D) Stable warm air overlays cold air 
E) Air turbulence causes mixing between air layers 
A) Two warm air layers surround a cold air layer 
B) Two cold air layers overlay a warm air layer 
C) Stable cold air overlays warm air 
D) Stable warm air overlays cold air 
E) Air turbulence causes mixing between air layers

Question 11

The most common metallic air pollutant is

Accepted Answer

A) Iron 
B) Cadmium 
C) Nickel 
D) Mercury 
E) Lead 
A) Iron 
B) Cadmium 
C) Nickel 
D) Mercury 
E) Lead

Question 12

Aesthetic degradation is a term that describes

Accepted Answer

A) Health risks associated with pollution 
B) Primarily the brown color of smoggy air 
C) Noises, odors, and light pollution 
D) The discomfort of knowing that the air is dirty 
E) The apparent form of air pollution because they leave dirty residues 
A) Health risks associated with pollution 
B) Primarily the brown color of smoggy air 
C) Noises, odors, and light pollution 
D) The discomfort of knowing that the air is dirty 
E) The apparent form of air pollution because they leave dirty residues

Question 13

Persistent inflammation of bronchi in the lungs is known as

Accepted Answer

A) Asthma 
B) Fibrosis 
C) Pulmonary toxicosis 
D) Bronchitis 
E) An upper respiratory infection 
A) Asthma 
B) Fibrosis 
C) Pulmonary toxicosis 
D) Bronchitis 
E) An upper respiratory infection

Question 14

Tall smokestacks were effective ways of

Accepted Answer

A) Decreasing pollution 
B) Displacing and dispersing pollution 
C) Cleaning up air pollution 
D) Eliminating the effects of pollution 
E) Concentrating pollutants for easier cleanup 
A) Decreasing pollution 
B) Displacing and dispersing pollution 
C) Cleaning up air pollution 
D) Eliminating the effects of pollution 
E) Concentrating pollutants for easier cleanup

Question 15

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

Question 16

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 17

An irreversible obstructive lung disease is called

Accepted Answer

A) Asthma 
B) Bronchitis 
C) Emphysema 
D) Fibrosis 
E) Upper respiratory infection 
A) Asthma 
B) Bronchitis 
C) Emphysema 
D) Fibrosis 
E) Upper respiratory infection

Question 18

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 pollution 
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 pollution

Question 19

The term NOx is often used because

Accepted Answer

A) There are many different oxides of nitrogen 
B) It is usually unclear how oxidized nitrogen is 
C) NO2 and NO easily convert into each other 
D) Many different molecules often attach to NO 
E) The pollutant is a nitrous oxide and the "Ox" identifies the oxygen 
A) There are many different oxides of nitrogen 
B) It is usually unclear how oxidized nitrogen is 
C) NO2 and NO easily convert into each other 
D) Many different molecules often attach to NO 
E) The pollutant is a nitrous oxide and the "Ox" identifies the oxygen

Question 20

Which of the following statements is true?

Accepted Answer

A) Most carbon monoxide produced in the United States comes from internal combustion engines (cars). 
B) Nearly all emissions of sulfur compounds are anthropogenic. 
C) Overall, in the past twenty years, air pollution conditions have steadily decreased in most North American and Western European cities. 
D) Volatile organic compounds are produced exclusively by human activity. 
E) None of these is correct. 
A) Most carbon monoxide produced in the United States comes from internal combustion engines (cars). 
B) Nearly all emissions of sulfur compounds are anthropogenic. 
C) Overall, in the past twenty years, air pollution conditions have steadily decreased in most North American and Western European cities. 
D) Volatile organic compounds are produced exclusively by human activity. 
E) None of these is correct.

Exam 16: Air Pollution

Fugitive emissions are produced by

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

Large filter bags can be used by industries to _________ airborne pollutants.

Formaldehyde is an especially problematic indoor pollutant because it is

Which of the following is NOT a volatile organic compound?

Pollutants such as chlorofluorocarbons deplete atmospheric ozone

An aerosol is

Secondary pollutants

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

A temperature inversion occurs when

The most common metallic air pollutant is

Aesthetic degradation is a term that describes

Persistent inflammation of bronchi in the lungs is known as

Tall smokestacks were effective ways of

There are serious signs that ozone depletion may lead to

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

An irreversible obstructive lung disease is called

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

The term NOx is often used because

Which of the following statements is true?

Understanding Our Environment

Principles of Science and Systems

Matter, Energy, and Life

Evolution, Biological Communities, and Species Interactions

Biomes

Population Biology

Human Populations

Environmental Health and Toxicology

Food and Hunger

Farming: Conventional and Sustainable Practices

Biodiversity

Biodiversity: Preserving Landscapes

Restoration Ecology

Geology and Earth Resources

Climate Change

Water Use and Management

Water Pollution

Conventional Energy

Sustainable Energy

Solid, Toxic, and Hazardous Waste

Urbanization and Sustainable Cities

Ecological Economics

Environmental Policy, Law, and Planning

What Then Shall We Do

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