Environmental Health

Environmental Health

Question 1

  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

  1. Occupational asthma is known to be caused by synthetic organic chemicals, dusts, and _______________.
[removed] alpha radiation
[removed] certain bacteria
[removed] certain metals

1 points

Question 3

  1. 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

  1. 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

  1. In the United States today, young children get most of their exposure to the lead in lead paint by __________.
[removed] ingesting chips of paint
[removed] ingesting dust that contains lead
[removed] inhaling airborne lead

1 points

Question 6

  1. Which of the following is the most common medium for people’s exposures to solvents?
[removed] Dust
[removed] Groundwater
[removed] Meat or fish

1 points

Question 7

  1. _______________ are the major cause of stratospheric ozone depletion.
[removed] Chlorofluorocarbons (CFCs)
[removed] Perfluorochemicals (PFCs)
[removed] Polybrominated diphenyl ethers (PBDEs)

1 points

Question 8

  1. In the human body, carbon monoxide (CO) _______________.
[removed] binds to hemoglobin, displacing oxygen
[removed] compromises the body’s defenses against airborne particulates
[removed] concentrates in the thyroid, causing thyroid cancer

1 points

Question 9

  1. _______________ 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

  1. Hearing loss is associated not only with exposure to noise, but also with exposure to _________.
[removed] air fresheners
[removed] household pesticides
[removed] secondhand smoke

1 points

Question 11

  1. 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

  1. When automobiles burn gasoline, they:
[removed] 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

  1. Many phthalates affect the _______________.
[removed] central nervous system
[removed] endocrine system
[removed] respiratory system

1 points

Question 14

  1. Sick building syndrome is a set of __________.
[removed] construction features of a building that make people feel ill
[removed] indoor air pollutants associated with construction materials
[removed] symptoms that people experience when they spend time in a building

1 points

Question 15

  1. 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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