Question 1

The greenhouse effect is related to

Accepted Answer

A)   acid rain.
B)   ecological homeostasis.
C)   global warming.
D)   smog.E) C) and D)
F) B) and C)

Question 2

Which of the following does NOT contribute to air pollution?

Accepted Answer

A)   battery-driven golf carts
B)   dust storms
C)   blooming flowers
D)   forest fireE) C) and D)
F) A) and B)

Question 3

Which of the following is NOT considered a recommendation for reducing garbage?

Accepted Answer

A)   Avoid using paper cups by bringing your own china coffee mug to work.
B)   Using glass or plastic containers to store food.
C)   Use foil or plastic wraps to store food.
D)   Buy products with the least amount of packaging.E) None of the above
F) All of the above

Question 4

The switch to all digital television will increase the amount of e-waste.

Accepted Answer

A) True 
 B)False

Question 5

Water pollution from hazardous chemicals is a concern in Canada.

Accepted Answer

A) True 
 B)False

Question 6

The form of radiation that poses the most serious risk to human health is _____________ radiation.

Accepted Answer

A)   microwave
B)   X-ray
C)   infrared
D)   gammaE) A) and C)
F) B) and D)

Question 7

The impetus for the banning of DDT was provided by

Accepted Answer

A)   the publication of the book Silent Spring.
B)   the high concentration of child deaths in a farming community in British Columbia.
C)   testing by the Food and Drug Administration.
D)   high concentrations of cancer diagnoses in agricultural communities across America.E) B) and D)
F) A) and B)

Question 8

Hearing damage can occur after one minute of exposure to sounds louder than:

Accepted Answer

A)   80 decibels.
B)   90 decibels.
C)   100 decibels.
D)   110 decibels.E) C) and D)
F) B) and D)

Question 9

Which of the following statements is FALSE regarding factors contributing to population growth?

Accepted Answer

A)   High child mortality rates are associated with low fertility rates.
B)   Death rates have decreased in the developing world due to improved public health measures.
C)   Families have more children to ensure enough survive childhood to work for the household.
D)   Half the world's couples do not use any form of family planning.E) C) and D)
F) A) and C)

Question 10

Lower doses of gamma radiation may cause all of the following, EXCEPT:

Accepted Answer

A)   sterility.
B)   radiation sickness.
C)   cataracts.
D)   chromosome damage.E) B) and D)
F) All of the above

Question 11

What is the process by which organic substances are broken down naturally by living organisms?

Accepted Answer

A)   organic oxygenation
B)   recycling
C)   biodegradation
D)   septic systemizationE) A) and B)
F) All of the above

Question 12

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

Accepted Answer

A) True 
 B)False

Question 13

Which of the following is NOT a source of greenhouse gas emissions?

Accepted Answer

A)   nitrous oxide
B)   methane
C)   carbon monoxide
D)   ozoneE) A) and B)
F) B) and D)

Question 14

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)   lead
D)   formaldehyde gasE) A) and B)
F) B) and C)

Question 15

The Great Lakes contain approximately % of the world's freshwater supply.

Accepted Answer

A)   38
B)   18
C)   28
D)   8E) A) and D)
F) A) and C)

Question 16

Rodents that carry disease-causing microorganisms are referred to as

Accepted Answer

A)   transporters.
B)   vectors.
C)   sectors.
D)   carriers.E) A) and B)
F) B) and D)

Question 17

The most obvious depletion of the ozone layer has occurred over

Accepted Answer

A)   the United States.
B)   Antarctica.
C)   Africa.
D)   the equator.E) A) and B)
F) All of the above

Question 18

The pesticide DDT contributed to the control of

Accepted Answer

A)   insect-borne disease in tropical countries.
B)   Rocky Mountain spotted fever.
C)   diphtheria.
D)   smallpox.E) B) and D)
F) None of the above

Question 19

Electronic items, batteries, and fluorescent lights should be disposed of in the regular trash.

Accepted Answer

A) True 
 B)False

Question 20

Sewage contains primarily

Accepted Answer

A)   paper waste.
B)   radioactive waste.
C)   heavy metals.
D)   human feces.E) B) and D)
F) B) and C)

Exam 21: Environmental Health

The form of radiation that poses the most serious risk to human health is _____________ radiation.

Correct AnswerverifiedShow Answer

The Great Lakes contain approximately % of the world's freshwater supply.

Correct AnswerverifiedShow Answer

Which of the following does NOT contribute to air pollution?

Correct AnswerverifiedShow Answer

Lower doses of gamma radiation may cause all of the following, EXCEPT:

Correct AnswerverifiedShow Answer

Rodents that carry disease-causing microorganisms are referred to as

Correct AnswerverifiedShow Answer

Water pollution from hazardous chemicals is a concern in Canada.

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

The switch to all digital television will increase the amount of e-waste.

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

Sewage contains primarily

Correct AnswerverifiedShow Answer

What is the process by which organic substances are broken down naturally by living organisms?

Correct AnswerverifiedShow Answer

The most obvious depletion of the ozone layer has occurred over

Correct AnswerverifiedShow Answer

The greenhouse effect is related to

Correct AnswerverifiedShow Answer

The pesticide DDT contributed to the control of

Correct AnswerverifiedShow Answer

Electronic items, batteries, and fluorescent lights should be disposed of in the regular trash.

Correct AnswerverifiedShow Answer

Which of the following is NOT a source of greenhouse gas emissions?

Correct AnswerverifiedShow Answer

The impetus for the banning of DDT was provided by

Correct AnswerverifiedShow Answer

Which of the following is NOT considered a recommendation for reducing garbage?

Correct AnswerverifiedShow Answer

Hearing damage can occur after one minute of exposure to sounds louder than:

Correct AnswerverifiedShow Answer

Which of the following statements is FALSE regarding factors contributing to population growth?

Correct AnswerverifiedShow Answer

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