Question 1

Surface water is more likely to be contaminated with both organic matter and pathogenic microorganisms.

Accepted Answer

A) True 
 B)False

Question 2

The United Nations projects that world population will reach 9.8 billion by

Accepted Answer

A)   2020.
B)   2030.
C)   2050.
D)   2100.E) A) and B)
F) All of the above

Question 3

Which of the following pollutants causes central nervous system damage and mental impairment and is a particular risk for children living in older buildings?

Accepted Answer

A)   asbestos
B)   carbon monoxide
C)   formaldehyde gas
D)   leadE) A) and B)
F) A) and C)

Question 4

The water treatment that helps reduce tooth decay is

Accepted Answer

A)   filtration.
B)   disinfection.
C)   chlorination.
D)   fluoridation.E) A) and B)
F) All of the above

Question 5

The respiratory disease most closely associated with asbestos is

Accepted Answer

A)   lung cancer.
B)   black lung disease.
C)   brown lung disease.
D)   bronchitis.E) B) and D)
F) A) and D)

Question 6

Areas where asbestos is most likely to be found include all the following, EXCEPT:

Accepted Answer

A)   ceramic tile.
B)   boiler wraps.
C)   furnaces.
D)   ceiling insulation.E) All of the above
F) C) and D)

Question 7

The ozone layer is located approximately how far above the Earth's surface?

Accepted Answer

A)   1 kilometre
B)   5-9 kilometres
C)   11-40 kilometres
D)   unknown distanceE) None of the above
F) C) and D)

Question 8

On October 1, 2018, the Government of Canada announced a commitment that involves working with First Nation communities to do all the following, EXCEPT:

Accepted Answer

A)   improve water infrastructure on reserve.
B)   end all short-term drinking water advisories on public systems on reserve.
C)   prevent short-term advisories from becoming long-term advisories.
D)   all the answers are correct.E) A) and C)
F) A) and B)

Question 9

A gas or vapour that traps infrared radiation instead of allowing it to escape through the atmosphere is called a(n)

Accepted Answer

A)   air stagnator.
B)   temperature inversion column.
C)   greenhouse gas.
D)   global warming ozone.E) A) and B)
F) B) and C)

Question 10

The biodegrading time of plastic is forever.

Accepted Answer

A) True 
 B)False

Question 11

A major contributor to the loss of biodiversity is

Accepted Answer

A)   population growth.
B)   technology.
C)   tourism.
D)   crop harvesting year-round.E) A) and B)
F) A) and C)

Question 12

If a product can break down naturally, safely, and quickly into raw materials of nature then disappear back into the environment, it is called:

Accepted Answer

A)   combustible.
B)   recyclable.
C)   biodegradable.
D)   biofriendly.E) A) and B)
F) A) and C)

Question 13

Gamma rays have _____ wavelength and ______ energy.

Accepted Answer

A)   short; low
B)   short; high
C)   long; low
D)   long; highE) A) and B)
F) None of the above

Question 14

Release of __________ into the atmosphere is the primary cause of the depletion of the ozone layer.

Accepted Answer

A)   chlorofluorocarbons
B)   fluorine
C)   PCBs
D)   ethanolE) None of the above
F) C) and D)

Question 15

The Air Quality Health Index measures:

Accepted Answer

A)   level of carbon monoxide over the previous ten days.
B)   deterioration in the ozone layer.
C)   whether air pollution levels pose a health concern for Canadians.
D)   amount that visibility is diminished by smog.E) B) and D)
F) All of the above

Question 16

Water pollution from hazardous chemicals is a concern in Canada.

Accepted Answer

A) True 
 B)False

Question 17

The key pollutant in smog is nitrogen dioxide.

Accepted Answer

A) True 
 B)False

Question 18

For people with chronic ailments such as diabetes or heart failure, brief exposure to particulate air pollution increases the risk of death by _______%.

Accepted Answer

A)   10
B)   20
C)   30
D)   40E) All of the above
F) A) and D)

Question 19

A normal conversation is about:

Accepted Answer

A)   50 decibels.
B)   60 decibels.
C)   70 decibels.
D)   80 decibels.E) A) and D)
F) A) and C)

Question 20

Which of the following is NOT considered "e-waste"?

Accepted Answer

A)   old computers
B)   old televisions
C)   used computer paper
D)   old cell phonesE) All of the above
F) A) and D)

Exam 21: Environmental Health on Connect

A major contributor to the loss of biodiversity is

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The key pollutant in smog is nitrogen dioxide.

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Water pollution from hazardous chemicals is a concern in Canada.

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For people with chronic ailments such as diabetes or heart failure, brief exposure to particulate air pollution increases the risk of death by _______%.

Correct AnswerverifiedShow Answer

Which of the following is NOT considered "e-waste"?

Correct AnswerverifiedShow Answer

On October 1, 2018, the Government of Canada announced a commitment that involves working with First Nation communities to do all the following, EXCEPT:

Correct AnswerverifiedShow Answer

Release of __________ into the atmosphere is the primary cause of the depletion of the ozone layer.

Correct AnswerverifiedShow Answer

If a product can break down naturally, safely, and quickly into raw materials of nature then disappear back into the environment, it is called:

Correct AnswerverifiedShow Answer

The United Nations projects that world population will reach 9.8 billion by

Correct AnswerverifiedShow Answer

Which of the following pollutants causes central nervous system damage and mental impairment and is a particular risk for children living in older buildings?

Correct AnswerverifiedShow Answer

A normal conversation is about:

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The biodegrading time of plastic is forever.

Correct AnswerverifiedShow Answer

Surface water is more likely to be contaminated with both organic matter and pathogenic microorganisms.

Correct AnswerverifiedShow Answer

The Air Quality Health Index measures:

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The water treatment that helps reduce tooth decay is

Correct AnswerverifiedShow Answer

A gas or vapour that traps infrared radiation instead of allowing it to escape through the atmosphere is called a(n)

Correct AnswerverifiedShow Answer

Areas where asbestos is most likely to be found include all the following, EXCEPT:

Correct AnswerverifiedShow Answer

The respiratory disease most closely associated with asbestos is

Correct AnswerverifiedShow Answer

Gamma rays have _____ wavelength and ______ energy.

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The ozone layer is located approximately how far above the Earth's surface?

Correct AnswerverifiedShow Answer

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Gamma rays have _ wavelength and __ energy.

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