Question 1

Teratogens are chemicals that cause cancer.

Accepted Answer

A) True 
 B)False

Question 2

In determining how much risk an individual is willing to accept,for most people,a one in ____ chance of dying or suffering serious harm from exposure to an environmental hazard is a threshold for changing their behavior

Accepted Answer

A)  100 
B)  1,000 
C)  10,000 
D)  100,000 
E)  1,000,000 
A)  100 
B)  1,000 
C)  10,000 
D)  100,000 
E)  1,000,000

Question 3

Explain the two ways in which humans are exposed to the toxic element,mercury (Hg).

Accepted Answer

First,humans eat fish and shellfish that

Question 4

A global outbreak of an infectious disease is called a(n)

Accepted Answer

A)  threat 
B)  parademic 
C)  pandemic 
D)  epidemic 
E)  outbreak 
A)  threat 
B)  parademic 
C)  pandemic 
D)  epidemic 
E)  outbreak

Question 5

Which viral disease is the biggest killer?

Accepted Answer

A)  tuberculosis 
B)  AIDS 
C)  hepatitis B 
D)  influenza 
E)  West Nile 
A)  tuberculosis 
B)  AIDS 
C)  hepatitis B 
D)  influenza 
E)  West Nile

Question 6

People with AIDS are 30 to 50 times more likely to develop active tuberculosis.

Accepted Answer

A) True 
 B)False

Question 7

The West Nile virus is transmitted to humans by ____.

Accepted Answer

A)  mosquitoes 
B)  houseflies 
C)  birds 
D)  physical contact 
E)  coughing and sneezing 
A)  mosquitoes 
B)  houseflies 
C)  birds 
D)  physical contact 
E)  coughing and sneezing

Question 8

The overuse of ____________________ for colds,flus,and sore throats can cause bacteria to develop genetic resistance.

Accepted Answer

The answer of The overuse of ____________________ for colds,flus,and sore...

Question 9

____________________ is the world's most preventable major cause of suffering and premature death among adults.

Accepted Answer

The answer of ____________________ is the world's most preventable major...

Question 10

What term that is given to the health damage that occurs from exposure to a chemical or other agent?

Accepted Answer

A)  toxicity 
B)  biomagnification 
C)  persistence 
D)  response 
E)  dose 
A)  toxicity 
B)  biomagnification 
C)  persistence 
D)  response 
E)  dose

Question 11

How much of the American population is either overweight or obese?

Accepted Answer

A)  one-quarter 
B)  one-third 
C)  one-half 
D)  two-thirds 
E)  three-fourths 
A)  one-quarter 
B)  one-third 
C)  one-half 
D)  two-thirds 
E)  three-fourths

Question 12

Under certain conditions in aquatic systems,bacteria can convert inorganic mercury compounds to highly toxic __________________,which can be biologically magnified in food chains and webs.

Accepted Answer

methylmerc

Question 13

A(n)____________________ is an organism that can cause disease in another organism.

Accepted Answer

The answer of A(n)____________________ is an organism that can cause...

Question 14

In the "lock-and-key" relationship of the endocrine system,the hormone is the "lock" and the receptor is the "key."

Accepted Answer

A) True 
 B)False

Question 15

In 2003,the U.S.Environmental Protection Agency (EPA)proposed that in determining any risk,regulators should assume children have ____ times the exposure risk of adults to cancer-causing chemicals.

Accepted Answer

A)  5 
B)  10 
C)  15 
D)  25 
E)  100 
A)  5 
B)  10 
C)  15 
D)  25 
E)  100

Question 16

What is the study of the harmful effects of chemicals on humans and other organisms?

Accepted Answer

A)  Multiple Chemical Sensitivity (MCS) 
B)  biological accumulation 
C)  epidemiology 
D)  toxicology 
E)  toxicity 
A)  Multiple Chemical Sensitivity (MCS) 
B)  biological accumulation 
C)  epidemiology 
D)  toxicology 
E)  toxicity

Question 17

Which of the following is among the seven most deadly infectious diseases?

Accepted Answer

A)  asthma 
B)  diarrheal diseases 
C)  mumps 
D)  type 2 diabetes 
E)  leukemia 
A)  asthma 
B)  diarrheal diseases 
C)  mumps 
D)  type 2 diabetes 
E)  leukemia

Question 18

Toxicity is rated according to the amount of a substance that is necessary to kill 50% of humans,given in milligrams per kilogram of body weight.A rating of supertoxic has an LD50 of ____.

Accepted Answer

A)  less than 5 mg/kg 
B)  5-50 mg/kg 
C)  50-500 mg/kg 
D)  500-5000 mg/kg 
E)  5000-15000 mg/kg 
A)  less than 5 mg/kg 
B)  5-50 mg/kg 
C)  50-500 mg/kg 
D)  500-5000 mg/kg 
E)  5000-15000 mg/kg

Question 19

Which one of the following is one of the top five toxic substances in terms of human and environmental health?

Accepted Answer

A)  lead 
B)  formaldehyde 
C)  tobacco smoke 
D)  DDT 
E)  nitrous acid 
A)  lead 
B)  formaldehyde 
C)  tobacco smoke 
D)  DDT 
E)  nitrous acid

Question 20

A large-scale outbreak of an infectious disease in an area or country is called a(n)____________________.

Accepted Answer

The answer of A large-scale outbreak of an infectious disease...

Exam 17: Environmental Hazards and Human Health

Teratogens are chemicals that cause cancer.

In determining how much risk an individual is willing to accept,for most people,a one in ____ chance of dying or suffering serious harm from exposure to an environmental hazard is a threshold for changing their behavior

Explain the two ways in which humans are exposed to the toxic element,mercury (Hg).

A global outbreak of an infectious disease is called a(n)

Which viral disease is the biggest killer?

People with AIDS are 30 to 50 times more likely to develop active tuberculosis.

The West Nile virus is transmitted to humans by ____.

The overuse of ____________________ for colds,flus,and sore throats can cause bacteria to develop genetic resistance.

____________________ is the world's most preventable major cause of suffering and premature death among adults.

What term that is given to the health damage that occurs from exposure to a chemical or other agent?

How much of the American population is either overweight or obese?

Under certain conditions in aquatic systems,bacteria can convert inorganic mercury compounds to highly toxic __________________,which can be biologically magnified in food chains and webs.

A(n)____________________ is an organism that can cause disease in another organism.

In the "lock-and-key" relationship of the endocrine system,the hormone is the "lock" and the receptor is the "key."

In 2003,the U.S.Environmental Protection Agency (EPA)proposed that in determining any risk,regulators should assume children have ____ times the exposure risk of adults to cancer-causing chemicals.

What is the study of the harmful effects of chemicals on humans and other organisms?

Which of the following is among the seven most deadly infectious diseases?

Toxicity is rated according to the amount of a substance that is necessary to kill 50% of humans,given in milligrams per kilogram of body weight.A rating of supertoxic has an LD50 of ____.

Which one of the following is one of the top five toxic substances in terms of human and environmental health?

A large-scale outbreak of an infectious disease in an area or country is called a(n)____________________.

Environmental Problems, their Causes, and Sustainability

Science, matter, energy, and Systems

Ecosystems: What Are They and How Do They Work

Biodiversity and Evolution

Biodiversity, species Interactions, and Population Control

The Human Population and Its Impact

Climate and Biodiversity

Aquatic Biodiversity

Sustaining Biodiversity: The Species Approach

Sustaining Terrestrial Biodiversity: The Ecosystem Approach

Sustaining Aquatic Biodiversity

Food, soil, and Pest Management

Water Resources

Geology and Nonrenewable Mineral Resources

Nonrenewable Energy

Energy Efficiency and Renewable Energy

Air Pollution

Climate Disruption and Ozone Depletion

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