Question 1

Mutagens directly change molecules of

Accepted Answer

A)  water 
B)  carbohydrate 
C)  DNA 
D)  fat 
E)  RNA 
A)  water 
B)  carbohydrate 
C)  DNA 
D)  fat 
E)  RNA

Question 2

-What purpose does a graph such as this one serve in our challenge of evaluating hazardous chemicals?

Accepted Answer

This dose-response graph represents the

Question 3

AIDS has reduced the life expectancy of the 750 million people living in sub-Saharan Africa by

Accepted Answer

A)  5 years 
B)  5 to 7 years 
C)  10 years 
D)  15 to 20 years 
E)  none of these answers 
A)  5 years 
B)  5 to 7 years 
C)  10 years 
D)  15 to 20 years 
E)  none of these answers

Question 4

Risk is expressed as a probability of suffering from

Accepted Answer

A)  disease 
B)  economic loss 
C)  death 
D)  injury 
E)  all of these answers 
A)  disease 
B)  economic loss 
C)  death 
D)  injury 
E)  all of these answers

Question 5

Mutagens

Accepted Answer

A)  are fatal to humans in low doses 
B)  are technically non-toxic 
C)  are harmful because they are flammable, explosive, irritating to the skin or lungs, or cause allergic reactions 
D)  cause mutations 
E)  all of these answers 
A)  are fatal to humans in low doses 
B)  are technically non-toxic 
C)  are harmful because they are flammable, explosive, irritating to the skin or lungs, or cause allergic reactions 
D)  cause mutations 
E)  all of these answers

Question 6

Match the items below with their correct description from the list a through f.
-mushroom toxin

Accepted Answer

A) essentially nontoxic 
B) slightly toxic 
C) moderately toxic 
D) very toxic 
E) extremely toxic
F)supertoxic 
A) essentially nontoxic 
B) slightly toxic 
C) moderately toxic 
D) very toxic 
E) extremely toxic
F)supertoxic

Question 7

Common antimalarial drugs have become more effective against the Plasmodium parasites since about 1970.

Accepted Answer

A) True 
 B)False

Question 8

The incidence of tuberculosis (TB) is increasing because:

Accepted Answer

A)  Strains of the TB bacterium have developed resistance to antibiotics. 
B)  Population size and air travel have increased. 
C)  Immune systems have weakened from the spread of AIDS. 
D)  There is a lack of TB screening, especially in developing countries. 
E)  All of these answers. 
A)  Strains of the TB bacterium have developed resistance to antibiotics. 
B)  Population size and air travel have increased. 
C)  Immune systems have weakened from the spread of AIDS. 
D)  There is a lack of TB screening, especially in developing countries. 
E)  All of these answers.

Question 9

-Since 1900, and especially since 1950, the incidence of infectious diseases and the death rates from such disease has been greatly reduced. Recalling discussions from previous chapters, what other significant events have occurred since about 1950? Do you think these events are correlated? If so, what process is driving it?

Accepted Answer

Since the early- to mid-1900s, the human

Question 10

The damage to human health from exposure to a chemical is called the response.

Accepted Answer

A) True 
 B)False

Question 11

Viral diseases are particularly difficult to combat because they

Accepted Answer

A)  are not affected by antibiotics 
B)  kill large numbers of people 
C)  evolve rapidly 
D)  all of these answers 
E)  none of these answers 
A)  are not affected by antibiotics 
B)  kill large numbers of people 
C)  evolve rapidly 
D)  all of these answers 
E)  none of these answers

Question 12

After poverty and gender, the greatest risks people face are mainly from lifestyle choices.

Accepted Answer

A) True 
 B)False

Question 13

A(n) ____________________ effect is an immediate or rapid reaction to exposure to a harmful substance.

Accepted Answer

The answer of A(n) ____________________ effect is an immediate or...

Question 14

The system responsible for defense against disease and harmful substances is the

Accepted Answer

A)  circulatory system 
B)  endocrine system 
C)  immune system 
D)  excretory system 
E)  cardiovascular system 
A)  circulatory system 
B)  endocrine system 
C)  immune system 
D)  excretory system 
E)  cardiovascular system

Question 15

-How many more women between 20 and 24 years of age would live if AIDS were eradicated?

Accepted Answer

The answer of  
-How many more women between 20...

Question 16

A person experiencing dizziness after using a strong household cleaner is showing

Accepted Answer

A)  a chronic effect 
B)  a subchronic effect 
C)  an acute effect 
D)  a subacute effect 
E)  a superacute effect 
A)  a chronic effect 
B)  a subchronic effect 
C)  an acute effect 
D)  a subacute effect 
E)  a superacute effect

Question 17

Which one of the following infectious diseases has been on the rise since 1990 and kills about 1.3 million people per year?

Accepted Answer

A)  AIDS 
B)  West Nile virus 
C)  SARS 
D)  measles 
E)  tuberculosis 
A)  AIDS 
B)  West Nile virus 
C)  SARS 
D)  measles 
E)  tuberculosis

Mutagens directly change molecules of

-What purpose does a graph such as this one serve in our challenge of evaluating hazardous chemicals?

AIDS has reduced the life expectancy of the 750 million people living in sub-Saharan Africa by

Risk is expressed as a probability of suffering from

Mutagens

Match the items below with their correct description from the list a through f. -mushroom toxin

Common antimalarial drugs have become more effective against the Plasmodium parasites since about 1970.

The incidence of tuberculosis (TB) is increasing because:

The damage to human health from exposure to a chemical is called the response.

Viral diseases are particularly difficult to combat because they

After poverty and gender, the greatest risks people face are mainly from lifestyle choices.

A(n) ____________________ effect is an immediate or rapid reaction to exposure to a harmful substance.

The system responsible for defense against disease and harmful substances is the

-How many more women between 20 and 24 years of age would live if AIDS were eradicated?

A person experiencing dizziness after using a strong household cleaner is showing

Which one of the following infectious diseases has been on the rise since 1990 and kills about 1.3 million people per year?

Environmental Problems, Their Causes, and Sustainability

Science, Matter, and Energy

Ecosystems: What Are They and How Do They Work

Biodiversity and Evolution

Biodiversity, Species Interactions, and Population Control

The Human Population and Urbanization

Climate and Biodiversity

Sustaining Biodiversity: the Species Approach

Sustaining Biodiversity: the Ecosystem Approach

Food, Soil, and Pest Management

Water Resources and Water Pollution

Geology and Nonrenewable Minerals

Energy

Air Pollution, Climate Change, and Ozone Depletion

Solid and Hazardous Waste

Environmental Economics, Politics, and Worldviews

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Exam 14: Environmental Hazards and Human Health

Mutagens directly change molecules of

-What purpose does a graph such as this one serve in our challenge of evaluating hazardous chemicals?

AIDS has reduced the life expectancy of the 750 million people living in sub-Saharan Africa by

Risk is expressed as a probability of suffering from

Mutagens

Match the items below with their correct description from the list a through f. -mushroom toxin

Common antimalarial drugs have become more effective against the Plasmodium parasites since about 1970.

The incidence of tuberculosis (TB) is increasing because:

The damage to human health from exposure to a chemical is called the response.

Viral diseases are particularly difficult to combat because they

After poverty and gender, the greatest risks people face are mainly from lifestyle choices.

A(n) ____________________ effect is an immediate or rapid reaction to exposure to a harmful substance.

The system responsible for defense against disease and harmful substances is the

-How many more women between 20 and 24 years of age would live if AIDS were eradicated?

A person experiencing dizziness after using a strong household cleaner is showing

Which one of the following infectious diseases has been on the rise since 1990 and kills about 1.3 million people per year?

Environmental Problems, Their Causes, and Sustainability

Science, Matter, and Energy

Ecosystems: What Are They and How Do They Work

Biodiversity and Evolution

Biodiversity, Species Interactions, and Population Control

The Human Population and Urbanization

Climate and Biodiversity

Sustaining Biodiversity: the Species Approach

Sustaining Biodiversity: the Ecosystem Approach

Food, Soil, and Pest Management

Water Resources and Water Pollution

Geology and Nonrenewable Minerals

Energy

Air Pollution, Climate Change, and Ozone Depletion

Solid and Hazardous Waste

Environmental Economics, Politics, and Worldviews

Filters