Question 1

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 answersF) B) and E)
G) All of the above

Question 2

Risk is expressed as a probability of suffering from

Accepted Answer

A)   disease
B)   economic loss
C)   death
D)   injury
E)   all of these answersF) None of the above
G) C) and E)

Question 3

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 effectF) B) and D)
G) B) and C)

Question 4

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

Accepted Answer

A) True 
 B)False

Question 5

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 answersF) B) and D)
G) B) and E)

Question 6

-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 7

Mutagens directly change molecules of

Accepted Answer

A)   water
B)   carbohydrate
C)   DNA
D)   fat
E)   RNAF) All of the above
G) B) and E)

Question 8

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

Accepted Answer

A) True 
 B)False

Question 9

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 systemF) B) and C)
G) B) and E)

Question 10

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 11

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 answersF) C) and D)
G) C) and E)

Question 12

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

Accepted Answer

A) True 
 B)False

Question 13

-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 and...

Question 14

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 toxicF) supertoxicG) A) and E)
H) C) and F)

Question 15

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.F) A) and B)
G) A) and C)

Question 16

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)   tuberculosisF) A) and C)
G) B) and C)

Question 17

-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...

Exam 14: Environmental Hazards and Human Health

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

Correct Answer
verified

Risk is expressed as a probability of suffering from

Correct Answer
verified

Viral diseases are particularly difficult to combat because they

Correct Answer
verified

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

Correct Answer
verified

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

Correct Answer
verified
This dose-response graph represents the ...
View Answer

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

Correct Answer
verified

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

Correct Answer
verified

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

Correct Answer
verified

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

Correct Answer
verified

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

Correct Answer
verified

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

Correct Answer
verified

Mutagens

Correct Answer
verified

Correct Answer
verified
Since the early- to mid-1900s, the human...
View Answer

Mutagens directly change molecules of

Correct Answer
verified

The incidence of tuberculosis (TB) is increasing because:

Correct Answer
verified

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

Correct Answer
verified

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

Correct Answer
verified

Exam 14: Environmental Hazards and Human Health

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

Correct AnswerverifiedShow Answer

Risk is expressed as a probability of suffering from

Correct AnswerverifiedShow Answer

Viral diseases are particularly difficult to combat because they

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedThis dose-response graph represents the ...View AnswerShow Answer

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

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

Mutagens

Correct AnswerverifiedShow Answer

Correct AnswerverifiedSince the early- to mid-1900s, the human...View AnswerShow Answer

Mutagens directly change molecules of

Correct AnswerverifiedShow Answer

The incidence of tuberculosis (TB) is increasing because:

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified
This dose-response graph represents the ...
View Answer

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified
Since the early- to mid-1900s, the human...
View Answer

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified