Question 1
Which of the following groups of chemicals was widely used as insulating fluid in electrical equipment?
[removed]
Dioxins
[removed]
Polybrominated diphenyl ethers (PBDEs)
[removed]
Polychlorinated biphenyls (PCBs)
1 points
Question 2
Occupational asthma is known to be caused by synthetic organic chemicals, dusts, and _______________.
[removed]
alpha radiation
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certain bacteria
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certain metals
1 points
Question 3
Which of the following products are made using processes that involve perfluorochemicals (PFCs)?
[removed]
Consumer electronics
[removed]
Flexible plastic containers
[removed]
Non-stick coatings
1 points
Question 4
The effect of _______________ in inducing _______________ appears to have no threshold.
[removed]
lead / neurotoxicity
[removed]
methylmercury / decrement in IQ
[removed]
particulates / fibrosis
1 points
Question 5
In the United States today, young children get most of their exposure to the lead in lead paint by __________.
[removed]
ingesting chips of paint
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ingesting dust that contains lead
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inhaling airborne lead
1 points
Question 6
Which of the following is the most common medium for people’s exposures to solvents?
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Dust
[removed]
Groundwater
[removed]
Meat or fish
1 points
Question 7
_______________ are the major cause of stratospheric ozone depletion.
[removed]
Chlorofluorocarbons (CFCs)
[removed]
Perfluorochemicals (PFCs)
[removed]
Polybrominated diphenyl ethers (PBDEs)
1 points
Question 8
In the human body, carbon monoxide (CO) _______________.
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binds to hemoglobin, displacing oxygen
[removed]
compromises the body’s defenses against airborne particulates
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concentrates in the thyroid, causing thyroid cancer
1 points
Question 9
_______________ are widely used to degrease metals—for example, in the manufacture of electronic components.
[removed]
Perfluorochemicals (PFCs)
[removed]
Phthalates
[removed]
Solvents
1 points
Question 10
Hearing loss is associated not only with exposure to noise, but also with exposure to _________.
[removed]
air fresheners
[removed]
household pesticides
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secondhand smoke
1 points
Question 11
Which of the following pollutants is a key contributor to acid deposition?
[removed]
Carbon dioxide
[removed]
Carbon monoxide
[removed]
Ozone
[removed]
Sulfur dioxide
1 points
Question 12
When automobiles burn gasoline, they:
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emit ozone, which reacts with volatile organic compounds (VOCs) to form photochemical smog.
[removed]
emit VOCs, which react with NOx and other chemicals to form photochemical smog.
[removed]
increase ozone at ground level, contributing to depletion of ozone in the stratosphere.
1 points
Question 13
Many phthalates affect the _______________.
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central nervous system
[removed]
endocrine system
[removed]
respiratory system
1 points
Question 14
Sick building syndrome is a set of __________.
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construction features of a building that make people feel ill
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indoor air pollutants associated with construction materials
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symptoms that people experience when they spend time in a building
1 points
Question 15
Some likely human health impacts of polybrominated diphenyl ethers (PBDEs) are suggested by their chemical structure, which is similar to that of _______________.
[removed]
human growth hormone
[removed]
neurotransmitters
[removed]
thyroid hormones
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