Question 1

"An ounce of prevention is worth a pound of cure." This statement is the heart of the

Accepted Answer

A)  remedial principle. 
B)  exposure principle 
C)  persistence principle. 
D)  precautionary principle. 
E)  security principle. 
A)  remedial principle. 
B)  exposure principle 
C)  persistence principle. 
D)  precautionary principle. 
E)  security principle.

Question 2

Which of the following is a true statement about cost-benefit analysis?
1) helps decision makers formulate environmental legislation.
2) balances estimated costs with potential environmental benefits.
3) is never used in issues involving human health and safety.
4) is really only applicable in the field of economics.

Accepted Answer

A)  1 
B)  2 
C)  3 
D)  4 
E)  1 and 2 
A)  1 
B)  2 
C)  3 
D)  4 
E)  1 and 2

Question 3

What are re-emerging diseases, and why do they occur?

Accepted Answer

Re-emerging diseases are infectious dise

Question 4

What environmental catastrophe was largely responsible for replacement of the dilution paradigm by the boomerang paradigm?

Accepted Answer

A)  the effect of the 1989 Exxon Valdez oil spill in Alaska on birds 
B)  the effect of the 1980 chemical spill in Lake Apopka on alligators 
C)  an increase in surface temperatures in the Bay of Bengal increasing risk of cholera 
D)  the accumulation of the pesticide DDT in birds at the top of the food web 
E)  massive wildfires destroying habitat of endangered species 
A)  the effect of the 1989 Exxon Valdez oil spill in Alaska on birds 
B)  the effect of the 1980 chemical spill in Lake Apopka on alligators 
C)  an increase in surface temperatures in the Bay of Bengal increasing risk of cholera 
D)  the accumulation of the pesticide DDT in birds at the top of the food web 
E)  massive wildfires destroying habitat of endangered species

Question 5

Acute toxicity:

Accepted Answer

A)  is only caused by synthetic chemicals. 
B)  is poorly understood by toxicologists. 
C)  may mimic symptoms of chronic diseases. 
D)  produces an effect within a short period of a single exposure. 
E)  always results in death. 
A)  is only caused by synthetic chemicals. 
B)  is poorly understood by toxicologists. 
C)  may mimic symptoms of chronic diseases. 
D)  produces an effect within a short period of a single exposure. 
E)  always results in death.

Question 6

Briefly explain what a dose-response curve is and how it is applied in determining the health effects of environmental pollutants.

Accepted Answer

A dose-response curve is a graph that sh

Question 7

All of the following are true statements about nanotechnology EXCEPT:

Accepted Answer

A)  It enables glass to be produced that is heat-resistant up to 1,000˚ C 
B)  The burden of proof about product safety will fall on the EPA 
C)  It can assist doctors in identifying cancer cells 
D)  The FDA will have to oversee regulation of nanotechnology with potential health and safety risks 
E)  It includes devices designed on the scale of individual atoms 
A)  It enables glass to be produced that is heat-resistant up to 1,000˚ C 
B)  The burden of proof about product safety will fall on the EPA 
C)  It can assist doctors in identifying cancer cells 
D)  The FDA will have to oversee regulation of nanotechnology with potential health and safety risks 
E)  It includes devices designed on the scale of individual atoms

Question 8

Discuss the pesticide risks to human health, including short-term effects of exposure to high levels, long-term effects of exposure to low levels, the risks to children, and the role of pesticides as endocrine disrupters.

Accepted Answer

Pesticide products, such as pest strips,

Question 9

The study of contaminants in the biosphere, including their harmful effects on ecosystems is termed:

Accepted Answer

A)  Agrobiology. 
B)  Physiology. 
C)  Ecotoxicology. 
D)  Archaeology 
E)  Cytology 
A)  Agrobiology. 
B)  Physiology. 
C)  Ecotoxicology. 
D)  Archaeology 
E)  Cytology

Question 10

If you measured the LD50 for a particular chemical, you would know:

Accepted Answer

A)  that the chemical is safe for human use. 
B)  how much it takes to kill 50 rats. 
C)  what dose is lethal to 50% of a population of test animals. 
D)  the chemical properties of the given chemical. 
E)  the effective dose for humans. 
A)  that the chemical is safe for human use. 
B)  how much it takes to kill 50 rats. 
C)  what dose is lethal to 50% of a population of test animals. 
D)  the chemical properties of the given chemical. 
E)  the effective dose for humans.

Question 11

The factors that account for the differences in health and health care between highly developed and developing nations include all of the following EXCEPT:

Accepted Answer

A)  access to immunization services for children. 
B)  adequate nutrition for normal growth and development. 
C)  average number of children a mother has 
D)  average life expectancy. 
E)  money available for health care. 
A)  access to immunization services for children. 
B)  adequate nutrition for normal growth and development. 
C)  average number of children a mother has 
D)  average life expectancy. 
E)  money available for health care.

Question 12

The build-up of pesticides in an organism's body is termed:

Accepted Answer

A)  persistence. 
B)  bioaccumulation. 
C)  biological magnification. 
D)  biological amplification 
E)  the pesticide treadmill. 
A)  persistence. 
B)  bioaccumulation. 
C)  biological magnification. 
D)  biological amplification 
E)  the pesticide treadmill.

Question 13

Chemicals that are not readily broken down into less toxic forms are said to exhibit:

Accepted Answer

A)  persistence. 
B)  bioaccumulation. 
C)  biological magnification. 
D)  genetic resistance. 
E)  short-term effects. 
A)  persistence. 
B)  bioaccumulation. 
C)  biological magnification. 
D)  genetic resistance. 
E)  short-term effects.

Question 14

The three leading causes of death in the United States today are cardiovascular disease, chronic obstructive pulmonary disease and:

Accepted Answer

A)  pneumonia. 
B)  cancer. 
C)  influenza. 
D)  tuberculosis. 
E)  diarrhea. 
A)  pneumonia. 
B)  cancer. 
C)  influenza. 
D)  tuberculosis. 
E)  diarrhea.

Question 15

Compare and contrast LD50 and ED50. How are these values used to evaluate and/or regulate chemical pollutants?

Accepted Answer

LD50 is the dose of a toxicant that is l

"An ounce of prevention is worth a pound of cure." This statement is the heart of the

What are re-emerging diseases, and why do they occur?

What environmental catastrophe was largely responsible for replacement of the dilution paradigm by the boomerang paradigm?

Acute toxicity:

Briefly explain what a dose-response curve is and how it is applied in determining the health effects of environmental pollutants.

All of the following are true statements about nanotechnology EXCEPT:

Discuss the pesticide risks to human health, including short-term effects of exposure to high levels, long-term effects of exposure to low levels, the risks to children, and the role of pesticides as endocrine disrupters.

The study of contaminants in the biosphere, including their harmful effects on ecosystems is termed:

If you measured the LD50 for a particular chemical, you would know:

The factors that account for the differences in health and health care between highly developed and developing nations include all of the following EXCEPT:

The build-up of pesticides in an organism's body is termed:

Chemicals that are not readily broken down into less toxic forms are said to exhibit:

The three leading causes of death in the United States today are cardiovascular disease, chronic obstructive pulmonary disease and:

Compare and contrast LD50 and ED50. How are these values used to evaluate and/or regulate chemical pollutants?

Introducing Environmental Science and Sustainability

Environmental Laws Economic and Ethics

Ecosystems and Energy

Ecosystems and the Physical Environment

Ecosystems and Living Organisms

Major Ecosystems of the World

The Human Population

The Urban World

Energy Consumption

Fossil Fuels

Renewable Energy and Nuclear Power

Water: a Limited Resource

Soil Resources

Mineral Resources

Biological Resources

Land Resources

Food Resources

Air Pollution

Global Climate Change

Water Pollution

Pest Management

Solid and Hazardous Waste

Tomorrows Word

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Exam 7: Human Health and Environmental Toxicology

"An ounce of prevention is worth a pound of cure." This statement is the heart of the

What are re-emerging diseases, and why do they occur?

What environmental catastrophe was largely responsible for replacement of the dilution paradigm by the boomerang paradigm?

Acute toxicity:

Briefly explain what a dose-response curve is and how it is applied in determining the health effects of environmental pollutants.

All of the following are true statements about nanotechnology EXCEPT:

Discuss the pesticide risks to human health, including short-term effects of exposure to high levels, long-term effects of exposure to low levels, the risks to children, and the role of pesticides as endocrine disrupters.

The study of contaminants in the biosphere, including their harmful effects on ecosystems is termed:

If you measured the LD50 for a particular chemical, you would know:

The factors that account for the differences in health and health care between highly developed and developing nations include all of the following EXCEPT:

The build-up of pesticides in an organism's body is termed:

Chemicals that are not readily broken down into less toxic forms are said to exhibit:

The three leading causes of death in the United States today are cardiovascular disease, chronic obstructive pulmonary disease and:

Compare and contrast LD50 and ED50. How are these values used to evaluate and/or regulate chemical pollutants?

Introducing Environmental Science and Sustainability

Environmental Laws Economic and Ethics

Ecosystems and Energy

Ecosystems and the Physical Environment

Ecosystems and Living Organisms

Major Ecosystems of the World

The Human Population

The Urban World

Energy Consumption

Fossil Fuels

Renewable Energy and Nuclear Power

Water: a Limited Resource

Soil Resources

Mineral Resources

Biological Resources

Land Resources

Food Resources

Air Pollution

Global Climate Change

Water Pollution

Pest Management

Solid and Hazardous Waste

Tomorrows Word

Filters