HSC 3720 Exam 2 Study Set With
Verified Solutions
T/F: physical, mental, emotional, spiritual, and social aspects of health are influenced by
the environment - ANSWER True
T/F: environmental health is considered a part of holistic health and can contribute to
various illnesses and diseases - ANSWER True
What are often caused by a combination of genetic factors and environmental agents? -
ANSWER Illnesses and diseases
T/F: the field of environmental health is usually restricted to toxic agents in the
environment - ANSWER True
T/F: Healthy People 2000, 2010, and 2020 target many areas related to environmental
health including lead poisoning, airborne pollutants, radon, water pollution, and
hazardous waste - ANSWER True
What act was passed in 1906? - ANSWER First Federal Food and Drug Act
What act was enabled in 1965? - ANSWER Clean Air and Solid Waste Disposal Act
T/F: Environmental Protection Agency (EPA) was created to consolidate federal efforts -
ANSWER True
What act was passed in 1972? - ANSWER Clean Water Act
Some decline in environmental protection due to political factors happened when? -
ANSWER 1980s
T/F: various laws and regulations have been enacted to protect the environment -
ANSWER True
T/F: the EPA plays a key role in enforcing environmental regulations - ANSWER True
T/F: human activities like burning fossil fuels, manufacturing processes, and
incineration contribute to air pollution - ANSWER True
What harmful substances does incomplete combustion release? - ANSWER Carbon
monoxide, sulfur oxides, and nitrogen oxides
What is used to measure air pollution levels and their impact on health? - ANSWER Air
Quality Index (AQI)
T/F: natural processes such as forest fires, prairie fires, volcanic eruptions, and wind
, erosion all contaminate the air - ANSWER True
T/F: air pollution and water pollution act interchangeably - ANSWER True
How do oceans cleanse the atmosphere? - ANSWER By percipitation, oxidation, and
absorption
What is a major cause of air pollution? - ANSWER Incomplete or imperfect combustion
Where is carbon monoxide found? What is its source? - ANSWER Poorly vented areas
like garages; car exhaust
Where is sulfur oxides found? What is its source? - ANSWER Industrial and urban areas;
burning coal or oil that contains sulfur
Where is nitrogen oxide found? What is its source? - ANSWER Urban areas and rural
areas if power plants are present; burning fossil fuels
Where are suspended particles found? What is its source? - ANSWER Urban areas and
rural mining areas; tobacco smoke and asbestos particles
Where are hydrocarbons found? What is its source? - ANSWER Atmosphere;
decomposition of organic matters or evaporation of gasoline
T/F: ozone forms smog (photochemical) and is toxic in the lower atmosphere - ANSWER
True
T/F: when AQI values are above 100, air quality is considered to be unhealthy for certain
sensitive groups of people - ANSWER True
T/F: other air problems include — depletion of the upper atmosphere ozone layer,
increased carbon dioxide levels, acid rain, and radioactive substances - ANSWER True
T/F: common sewage, pathogenic organisms, plant nutrients, synthetic chemicals, and
inorganic chemicals are common sources of water pollution - ANSWER True
T/F: point and non-point sources contribute to water pollution - ANSWER True
What is a point source? - ANSWER Discharge of pollutants from a well-defined source
such as the pipes of a plant or factory
What is a non-point source? - ANSWER Runoff from city streets, construction sites,
farms, mines, etc.
What measures the oxygen absorbed by substances in water? - ANSWER Biological
Oxygen Demand (BOD)
T/F: increased industrialization, population growth, increased dependence on
appliances and increased need for sewage disposal all impact the natural water
purification process - ANSWER True
Verified Solutions
T/F: physical, mental, emotional, spiritual, and social aspects of health are influenced by
the environment - ANSWER True
T/F: environmental health is considered a part of holistic health and can contribute to
various illnesses and diseases - ANSWER True
What are often caused by a combination of genetic factors and environmental agents? -
ANSWER Illnesses and diseases
T/F: the field of environmental health is usually restricted to toxic agents in the
environment - ANSWER True
T/F: Healthy People 2000, 2010, and 2020 target many areas related to environmental
health including lead poisoning, airborne pollutants, radon, water pollution, and
hazardous waste - ANSWER True
What act was passed in 1906? - ANSWER First Federal Food and Drug Act
What act was enabled in 1965? - ANSWER Clean Air and Solid Waste Disposal Act
T/F: Environmental Protection Agency (EPA) was created to consolidate federal efforts -
ANSWER True
What act was passed in 1972? - ANSWER Clean Water Act
Some decline in environmental protection due to political factors happened when? -
ANSWER 1980s
T/F: various laws and regulations have been enacted to protect the environment -
ANSWER True
T/F: the EPA plays a key role in enforcing environmental regulations - ANSWER True
T/F: human activities like burning fossil fuels, manufacturing processes, and
incineration contribute to air pollution - ANSWER True
What harmful substances does incomplete combustion release? - ANSWER Carbon
monoxide, sulfur oxides, and nitrogen oxides
What is used to measure air pollution levels and their impact on health? - ANSWER Air
Quality Index (AQI)
T/F: natural processes such as forest fires, prairie fires, volcanic eruptions, and wind
, erosion all contaminate the air - ANSWER True
T/F: air pollution and water pollution act interchangeably - ANSWER True
How do oceans cleanse the atmosphere? - ANSWER By percipitation, oxidation, and
absorption
What is a major cause of air pollution? - ANSWER Incomplete or imperfect combustion
Where is carbon monoxide found? What is its source? - ANSWER Poorly vented areas
like garages; car exhaust
Where is sulfur oxides found? What is its source? - ANSWER Industrial and urban areas;
burning coal or oil that contains sulfur
Where is nitrogen oxide found? What is its source? - ANSWER Urban areas and rural
areas if power plants are present; burning fossil fuels
Where are suspended particles found? What is its source? - ANSWER Urban areas and
rural mining areas; tobacco smoke and asbestos particles
Where are hydrocarbons found? What is its source? - ANSWER Atmosphere;
decomposition of organic matters or evaporation of gasoline
T/F: ozone forms smog (photochemical) and is toxic in the lower atmosphere - ANSWER
True
T/F: when AQI values are above 100, air quality is considered to be unhealthy for certain
sensitive groups of people - ANSWER True
T/F: other air problems include — depletion of the upper atmosphere ozone layer,
increased carbon dioxide levels, acid rain, and radioactive substances - ANSWER True
T/F: common sewage, pathogenic organisms, plant nutrients, synthetic chemicals, and
inorganic chemicals are common sources of water pollution - ANSWER True
T/F: point and non-point sources contribute to water pollution - ANSWER True
What is a point source? - ANSWER Discharge of pollutants from a well-defined source
such as the pipes of a plant or factory
What is a non-point source? - ANSWER Runoff from city streets, construction sites,
farms, mines, etc.
What measures the oxygen absorbed by substances in water? - ANSWER Biological
Oxygen Demand (BOD)
T/F: increased industrialization, population growth, increased dependence on
appliances and increased need for sewage disposal all impact the natural water
purification process - ANSWER True
