Question 1

A delay of ____ years between initial exposure to a carcinogen and appearance of detectable symptoms is typical.

Accepted Answer

A) 1-2 
B) 2-5 
C) 5-10 
D) 10-40 
E) 40-60 
A) 1-2 
B) 2-5 
C) 5-10 
D) 10-40 
E) 40-60 D

Question 2

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 C

Question 3

What percentage of synthetic chemicals commonly used today has been adequately tested to determine if they are mutagen, carcinogen, or teratogen?

Accepted Answer

A) almost 90% 
B) 75% 
C) 50% 
D) 25% 
E) 2% 
A) almost 90% 
B) 75% 
C) 50% 
D) 25% 
E) 2% E

Question 4

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 5

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

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 6

Research has indicated that long-term exposure to some chemicals at low doses may disrupt the body's immune, nervous, and endocrine systems.

Accepted Answer

A) True 
 B)False

Question 7

A very effective and inexpensive defense against the spread of malaria is a(n) ____________________.

Accepted Answer

mosquito n

Question 8

Match the items below with their correct description from the list a through f.
-ethyl alcohol

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 9

When estimating and calculating the reliability of a given system, experts quantify the reliability of the technology involved and divide that number by the reliability of the human using the technology.

Accepted Answer

A) True 
 B)False

Question 10

Malaria is transmitted by the ____________________.

Accepted Answer

The answer of Malaria is transmitted by the ____________________....

Question 11

Carcinogens cause

Accepted Answer

A) genetic defects 
B) birth defects 
C) cancer 
D) chronic health effects 
E) allergic reactions 
A) genetic defects 
B) birth defects 
C) cancer 
D) chronic health effects 
E) allergic reactions

Question 12

What percentage of Americans have trace levels of BPA in their bodies?

Accepted Answer

A) 93% 
B) 95% 
C) 90% 
D) 83% 
E) This applies to citizens of other developed countries, but not America. 
A) 93% 
B) 95% 
C) 90% 
D) 83% 
E) This applies to citizens of other developed countries, but not America.

Question 13

Ecological medicine is a relatively new field of study devoted to

Accepted Answer

A) finding a cure for AIDS 
B) the ecology of sick people 
C) diseases that are transmitted from one animal species to another 
D) international diseases such as Asian flu 
E) none of these answers 
A) finding a cure for AIDS 
B) the ecology of sick people 
C) diseases that are transmitted from one animal species to another 
D) international diseases such as Asian flu 
E) none of these answers

Question 14

A viral killer that damages the liver and kills about a million people each year is ____________________.

Accepted Answer

The answer of A viral killer that damages the liver...

Question 15

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 16

Malaria is caused by

Accepted Answer

A) viruses 
B) bacteria 
C) Plasmodium parasites 
D) parasitic worms 
E) mosquitoes 
A) viruses 
B) bacteria 
C) Plasmodium parasites 
D) parasitic worms 
E) mosquitoes

Question 17

-On the graph, explain what the designation LD50 means.

Accepted Answer

LD50 is the median lethal dose

Question 18

Because of the difficulty in evaluating the harm caused by exposure to chemicals, scientists recommend more emphasis on ____________________.

Accepted Answer

pollution

Question 19

The three diseases that cause the majority of deaths worldwide are influenza, hepatitis-B, and SARS.

Accepted Answer

A) True 
 B)False

Question 20

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

Accepted Answer

A) True 
 B)False

A delay of ____ years between initial exposure to a carcinogen and appearance of detectable symptoms is typical.

Mutagens directly change molecules of

What percentage of synthetic chemicals commonly used today has been adequately tested to determine if they are mutagen, carcinogen, or teratogen?

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

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

Research has indicated that long-term exposure to some chemicals at low doses may disrupt the body's immune, nervous, and endocrine systems.

A very effective and inexpensive defense against the spread of malaria is a(n) ____________________.

Match the items below with their correct description from the list a through f. -ethyl alcohol

When estimating and calculating the reliability of a given system, experts quantify the reliability of the technology involved and divide that number by the reliability of the human using the technology.

Malaria is transmitted by the ____________________.

Carcinogens cause

What percentage of Americans have trace levels of BPA in their bodies?

Ecological medicine is a relatively new field of study devoted to

A viral killer that damages the liver and kills about a million people each year is ____________________.

Risk is expressed as a probability of suffering from

Malaria is caused by

-On the graph, explain what the designation LD50 means.

Because of the difficulty in evaluating the harm caused by exposure to chemicals, scientists recommend more emphasis on ____________________.

The three diseases that cause the majority of deaths worldwide are influenza, hepatitis-B, and SARS.

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

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 Mineral Resources

Energy

Air Pollution, Climate Change, and Ozone Depletion

Solid and Hazardous Waste

Environmental Economics, Politics, and Worldviews

Filters

Exam 14: Environmental Hazards and Human Health

A delay of ____ years between initial exposure to a carcinogen and appearance of detectable symptoms is typical.

Mutagens directly change molecules of

What percentage of synthetic chemicals commonly used today has been adequately tested to determine if they are mutagen, carcinogen, or teratogen?

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

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

Research has indicated that long-term exposure to some chemicals at low doses may disrupt the body's immune, nervous, and endocrine systems.

A very effective and inexpensive defense against the spread of malaria is a(n) ____________________.

Match the items below with their correct description from the list a through f. -ethyl alcohol

When estimating and calculating the reliability of a given system, experts quantify the reliability of the technology involved and divide that number by the reliability of the human using the technology.

Malaria is transmitted by the ____________________.

Carcinogens cause

What percentage of Americans have trace levels of BPA in their bodies?

Ecological medicine is a relatively new field of study devoted to

A viral killer that damages the liver and kills about a million people each year is ____________________.

Risk is expressed as a probability of suffering from

Malaria is caused by

-On the graph, explain what the designation LD50 means.

Because of the difficulty in evaluating the harm caused by exposure to chemicals, scientists recommend more emphasis on ____________________.

The three diseases that cause the majority of deaths worldwide are influenza, hepatitis-B, and SARS.

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

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 Mineral Resources

Energy

Air Pollution, Climate Change, and Ozone Depletion

Solid and Hazardous Waste

Environmental Economics, Politics, and Worldviews

Filters