Question 1

What are the properties of toxicants that are likely to build up in animals through bioaccumulation?

Accepted Answer

A) They are carcinogenic and mutagenic. 
B) They contain nitrogen and sulfur. 
C) They are gases that are readily carried by pesticide drift. 
D) They are nonbiodegradable and lipid -soluble. 
E) They are biodegradable and water soluble. 
A) They are carcinogenic and mutagenic. 
B) They contain nitrogen and sulfur. 
C) They are gases that are readily carried by pesticide drift. 
D) They are nonbiodegradable and lipid -soluble. 
E) They are biodegradable and water soluble.

Question 2

All of the following statements are true of allergens EXCEPT _______________.

Accepted Answer

A) asthma can be triggered by allergies 
B) allergens trigger an immune response when one is not necessary 
C) everyone is affected by an allergen at a high enough dose 
D) synthetic chemicals may trigger allergic reactions 
E) people with allergies have weakened immune systems 
A) asthma can be triggered by allergies 
B) allergens trigger an immune response when one is not necessary 
C) everyone is affected by an allergen at a high enough dose 
D) synthetic chemicals may trigger allergic reactions 
E) people with allergies have weakened immune systems

Question 3

(c) Unconventional dose-response curve
Use the accompanying figure to answer the following question.
-The LD50 indicates the _______________.

Accepted Answer

A) lowest dose required to cure the entire population 
B) lowest dose required to cure half of the population 
C) lowest dose that kills any member of the population 
D) lowest dose that kills 50 out of 1000 members of the population 
E) amount of toxicant it takes to kill half the population 
A) lowest dose required to cure the entire population 
B) lowest dose required to cure half of the population 
C) lowest dose that kills any member of the population 
D) lowest dose that kills 50 out of 1000 members of the population 
E) amount of toxicant it takes to kill half the population

Question 4

In her study performed in Yaqui Valley,Mexico,Elizabeth Guillette found that _______________.

Accepted Answer

A) infectious disease is more widespread in poor countries 
B) frogs were affected by water pollution 
C) wealth is correlated with intelligence 
D) organic agriculture can be successful with government support 
E) developmental delays occurred in children exposed to pesticides 
A) infectious disease is more widespread in poor countries 
B) frogs were affected by water pollution 
C) wealth is correlated with intelligence 
D) organic agriculture can be successful with government support 
E) developmental delays occurred in children exposed to pesticides

Question 5

_______________ are substances that cause cancer.

Accepted Answer

A) Carcinogens 
B) Teratogens 
C) Neurotoxins 
D) Vectors 
E) Allergens 
A) Carcinogens 
B) Teratogens 
C) Neurotoxins 
D) Vectors 
E) Allergens

What are the properties of toxicants that are likely to build up in animals through bioaccumulation?

All of the following statements are true of allergens EXCEPT _______________.

(c) Unconventional dose-response curve Use the accompanying figure to answer the following question. -The LD50 indicates the _______________.

In her study performed in Yaqui Valley,Mexico,Elizabeth Guillette found that _______________.

_______________ are substances that cause cancer.

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Earths Physical Systems

Evolution,biodiversity,and Population Ecology

Species Interactions and Community Ecology

Environmental Systems and Ecosystem Ecology

Ethics,economics,and Sustainable Development

Environmental Policy

Human Population

The Underpinnings of Agriculture

Making Agriculture Sustainable

Biodiversity and Conservation Biology

Forests,forest Management,and Protected Areas

The Urban Environment

Freshwater Systems and Resources

Marine and Coastal Systems and Resources

Atmospheric Science,air Quality,and Pollution Control

Global Climate Change

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Conventional Energy Alternatives

New Renewable Energy Alternatives

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Exam 14: Environmental Health and Toxicology

What are the properties of toxicants that are likely to build up in animals through bioaccumulation?

All of the following statements are true of allergens EXCEPT _______________.

(c) Unconventional dose-response curve Use the accompanying figure to answer the following question. -The LD50 indicates the _______________.

In her study performed in Yaqui Valley,Mexico,Elizabeth Guillette found that _______________.

_______________ are substances that cause cancer.

Science and Sustainability

Earths Physical Systems

Evolution,biodiversity,and Population Ecology

Species Interactions and Community Ecology

Environmental Systems and Ecosystem Ecology

Ethics,economics,and Sustainable Development

Environmental Policy

Human Population

The Underpinnings of Agriculture

Making Agriculture Sustainable

Biodiversity and Conservation Biology

Forests,forest Management,and Protected Areas

The Urban Environment

Freshwater Systems and Resources

Marine and Coastal Systems and Resources

Atmospheric Science,air Quality,and Pollution Control

Global Climate Change

Fossil Fuels

Conventional Energy Alternatives

New Renewable Energy Alternatives

Managing Our Waste

Minerals and Mining

Sustainable Solutions

Filters