Question 1

Which of the following is NOT a vector of disease?

Accepted Answer

A) contaminated soil 
B) rats 
C) ticks 
D) mosquitoes 
A) contaminated soil 
B) rats 
C) ticks 
D) mosquitoes

Question 2

To avoid this illness,Andrew should have

Accepted Answer

A) camped only in the spring. 
B) boiled his water before drinking. 
C) tried to avoid contact with ticks. 
D) tried to avoid contact with fleas found on mice. 
A) camped only in the spring. 
B) boiled his water before drinking. 
C) tried to avoid contact with ticks. 
D) tried to avoid contact with fleas found on mice.

Question 3

Vessels,organs,and structures that pick up excess fluids,then filter out and destroy foreign cells and debris,belong to the _______________ system.

Accepted Answer

A) digestive 
B) antibody 
C) lymphatic 
D) circulatory 
A) digestive 
B) antibody 
C) lymphatic 
D) circulatory

Question 4

Antibodies have complementary surface markers that bind to _______________ on foreign microbes.

Accepted Answer

A) histamines 
B) antigens 
C) T cells 
D) cytokines 
A) histamines 
B) antigens 
C) T cells 
D) cytokines

Question 5

Hepatitis B is transmitted mainly by

Accepted Answer

A) casual contact. 
B) contaminated food. 
C) organ donation. 
D) sexual contact. 
A) casual contact. 
B) contaminated food. 
C) organ donation. 
D) sexual contact.

Question 6

Lymphocytes generated during an initial infection that circulate in the body for years and quickly respond to that infection if it ever appears again are called _______________ cells.

Accepted Answer

A) killer T and B 
B) helper T and B 
C) suppressor T and B 
D) memory T and B 
A) killer T and B 
B) helper T and B 
C) suppressor T and B 
D) memory T and B

Question 7

Key components of a typical asthma attack include all of the following EXCEPT

Accepted Answer

A) secretion of extra mucus. 
B) inflammation of the airways. 
C) spasms in the muscles surrounding the airways. 
D) an anaphylactic reaction. 
A) secretion of extra mucus. 
B) inflammation of the airways. 
C) spasms in the muscles surrounding the airways. 
D) an anaphylactic reaction.

Question 8

Discuss the concept of emerging infectious diseases.Identify at least three specific emerging infections and three factors contributing to disease emergence worldwide.

Accepted Answer

Emerging infectious diseases are disease

Question 9

West Nile virus and hantavirus infections primarily involve transmission by vectors rather than person-to-person spread.

Accepted Answer

A) True 
 B)False

Question 10

Immunization is based on the

Accepted Answer

A) body's ability to remember an encounter with a specific organism. 
B) body's ability to tell a harmful pathogen from a harmless one. 
C) introduction of a pathogen into the body to stimulate antigens. 
D) introduction of helper T cells into the body. 
A) body's ability to remember an encounter with a specific organism. 
B) body's ability to tell a harmful pathogen from a harmless one. 
C) introduction of a pathogen into the body to stimulate antigens. 
D) introduction of helper T cells into the body.

Question 11

Cell-mediated immune response

Accepted Answer

A) is a function of T cells. 
B) is a function of B cells. 
C) stimulates the production of antibodies. 
D) uses antibodies to recruit macrophages to help clean up. 
A) is a function of T cells. 
B) is a function of B cells. 
C) stimulates the production of antibodies. 
D) uses antibodies to recruit macrophages to help clean up.

Question 12

Influenza usually causes all of the following symptoms EXCEPT

Accepted Answer

A) fever. 
B) severe fatigue. 
C) chest discomfort. 
D) gastrointestinal distress. 
A) fever. 
B) severe fatigue. 
C) chest discomfort. 
D) gastrointestinal distress.

Question 13

Mutation of bacterial strains is a factor in the development of antibiotic-resistant bacteria.

Accepted Answer

A) True 
 B)False

Question 14

The two main types of lymphocytes are T cells and B cells.

Accepted Answer

A) True 
 B)False

Question 15

The most effective way of preventing the flu in the winter is by protecting your body from cold temperatures.

Accepted Answer

A) True 
 B)False

Question 16

Lymphocytes that stimulate other lymphocytes to increase in number are called _______________ cells.

Accepted Answer

A) suppressor T 
B) B 
C) memory 
D) helper T 
A) suppressor T 
B) B 
C) memory 
D) helper T

Question 17

The use of over-the-counter antihistamines is a form of immunotherapy.

Accepted Answer

A) True 
 B)False

Question 18

Greg has suffered from several severe colds and one other virus during the course of the past year.He wants to improve the functioning of his immune system so that he gets sick less often and so that the symptoms are less severe when he does.Describe at least five practical steps Greg could take to boost the strength of his immune system over the long term.

Accepted Answer

1. Eat a balanced and nutritious diet: G

Question 19

Define pathogen and trace the chain of infection through its various steps.Give at least three strategies for breaking the chain of infection.

Accepted Answer

A pathogen is a microorganism, such as a

Question 20

Antibacterial soap has been proven to reduce the risk of infection better than regular soap.

Accepted Answer

A) True 
 B)False

Exam 17: Immunity and Infection

Which of the following is NOT a vector of disease?

To avoid this illness,Andrew should have

Vessels,organs,and structures that pick up excess fluids,then filter out and destroy foreign cells and debris,belong to the _______________ system.

Antibodies have complementary surface markers that bind to _______________ on foreign microbes.

Hepatitis B is transmitted mainly by

Lymphocytes generated during an initial infection that circulate in the body for years and quickly respond to that infection if it ever appears again are called _______________ cells.

Key components of a typical asthma attack include all of the following EXCEPT

Discuss the concept of emerging infectious diseases.Identify at least three specific emerging infections and three factors contributing to disease emergence worldwide.

West Nile virus and hantavirus infections primarily involve transmission by vectors rather than person-to-person spread.

Immunization is based on the

Cell-mediated immune response

Influenza usually causes all of the following symptoms EXCEPT

Mutation of bacterial strains is a factor in the development of antibiotic-resistant bacteria.

The two main types of lymphocytes are T cells and B cells.

The most effective way of preventing the flu in the winter is by protecting your body from cold temperatures.

Lymphocytes that stimulate other lymphocytes to increase in number are called _______________ cells.

The use of over-the-counter antihistamines is a form of immunotherapy.

Define pathogen and trace the chain of infection through its various steps.Give at least three strategies for breaking the chain of infection.

Antibacterial soap has been proven to reduce the risk of infection better than regular soap.

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Stress: The Constant Challenge

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Sex and Your Body

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Alcohol: the Most Popular Drug

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Nutrition Basics

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Aging: A Vital Process

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