Question 1

Which of the following body fluids does not transmit HIV from human to human?

Accepted Answer

A)  blood 
B)  semen 
C)  saliva 
D)  vaginal fluid 
E)  breast milk 
A)  blood 
B)  semen 
C)  saliva 
D)  vaginal fluid 
E)  breast milk

Question 2

Which of the following is associated with the specific defenses of the body?

Accepted Answer

A)  cell-mediated immunity 
B)  phagocytosis 
C)  interferons 
D)  the inflammatory response 
E)  the complement system 
A)  cell-mediated immunity 
B)  phagocytosis 
C)  interferons 
D)  the inflammatory response 
E)  the complement system

Question 3

The bubonic plague epidemic that swept through Europe between 1348 and 1350 A.D. was induced by a(n)

Accepted Answer

A)  virus. 
B)  prion. 
C)  protozoan. 
D)  bacterium. 
E)  unidentified eukaryotic organism. 
A)  virus. 
B)  prion. 
C)  protozoan. 
D)  bacterium. 
E)  unidentified eukaryotic organism.

Question 4

Match each component of the lymphatic system to its function.
-filters out microorganisms that enter the throat by food or air

Accepted Answer

A) tonsil 
B) lymphatic vessel 
C) spleen 
D) lymph node 
E) thymus 
A) tonsil 
B) lymphatic vessel 
C) spleen 
D) lymph node 
E) thymus

Question 5

Which one of the following is/are located in the tonsils to filter out many of the microorganisms that enter the throat?

Accepted Answer

A)  thymus 
B)  adenoids 
C)  lymphocytes 
D)  platelets 
E)  red blood cells 
A)  thymus 
B)  adenoids 
C)  lymphocytes 
D)  platelets 
E)  red blood cells

Question 6

Match each of the following T lymphocytes to its description.
-migrate through blood and lymph, directly attacking and destroying foreign cells

Accepted Answer

A) helper T cells 
B) cytotoxic T cells 
C) memory T cells 
A) helper T cells 
B) cytotoxic T cells 
C) memory T cells

Question 7

Vaccines contain

Accepted Answer

A)  memory cells against the pathogen. 
B)  antigens of the pathogen. 
C)  antibodies of the pathogen. 
D)  lymphokines. 
E)  T cells programmed to attack the pathogen. 
A)  memory cells against the pathogen. 
B)  antigens of the pathogen. 
C)  antibodies of the pathogen. 
D)  lymphokines. 
E)  T cells programmed to attack the pathogen.

Question 8

Match each of the following disorders associated with the immune system to its description.
-an inherited disorder characterized by insufficient numbers of lymphocytes to fight an infection

Accepted Answer

A) acquired immunodeficiency syndrome (AIDS) 
B) severe combined immunodeficiency disease (SCI
D)  
C) rheumatoid arthritis 
D) allergy 
E) lupus erythematosus 
A) acquired immunodeficiency syndrome (AIDS) 
B) severe combined immunodeficiency disease (SCI
D)  
C) rheumatoid arthritis 
D) allergy 
E) lupus erythematosus

Question 9

Cell-mediated immunity involves the activity of ________ lymphocytes.

Accepted Answer

The answer of Cell-mediated immunity involves the activity of ________...

Question 10

Viral-infected human cells often send out special proteins that serve as an early warning system to uninfected cells. In response, the uninfected cells develop antiviral proteins that protect them. The early warning proteins sent out by viral-infected cells are

Accepted Answer

A)  complement. 
B)  interferon. 
C)  antibodies. 
D)  antigens. 
E)  antibiotics. 
A)  complement. 
B)  interferon. 
C)  antibodies. 
D)  antigens. 
E)  antibiotics.

Question 11

Match each of the following T lymphocytes to its description.
-stimulate the immune system by secreting lymphokines and interleukins; they activate B lymphocytes and macrophages

Accepted Answer

A) helper T cells 
B) cytotoxic T cells 
C) memory T cells 
A) helper T cells 
B) cytotoxic T cells 
C) memory T cells

Question 12

Body defenses that respond to generalized tissue damage and many common pathogens are referred to as

Accepted Answer

A)  phagocytic. 
B)  antipathogenic responses. 
C)  nonspecific mechanisms. 
D)  lymphomas. 
E)  specific mechanisms. 
A)  phagocytic. 
B)  antipathogenic responses. 
C)  nonspecific mechanisms. 
D)  lymphomas. 
E)  specific mechanisms.

Question 13

The following is a list of steps involved in the process of phagocytosis. Which of the following answers indicates these steps in the CORRECT order? 1. Lysosome fuses with the vesicle containing a foreign cell.
2) Wastes from the foreign cell are removed.
3) The foreign cell is surrounded by the cell membrane of the phagocyte.
4) Lysosomal enzymes break down the foreign cell.
5) The foreign cell is contained within a vesicle.

Accepted Answer

A)  5, 3, 1, 4, 2 
B)  3, 5, 2, 1, 4 
C)  3, 5, 1, 4, 2 
D)  2, 4, 1, 5, 3 
E)  3, 1, 5, 4, 2 
A)  5, 3, 1, 4, 2 
B)  3, 5, 2, 1, 4 
C)  3, 5, 1, 4, 2 
D)  2, 4, 1, 5, 3 
E)  3, 1, 5, 4, 2

Question 14

The human body uses three lines of defense to protect against pathogens. Match each of the following categories of defense to the type of cell or mechanism involved in the defense. Answers may be used more than once.
-release of interferons

Accepted Answer

A) physical or chemical barrier 
B) specific defense mechanism 
C) nonspecific defense mechanism 
A) physical or chemical barrier 
B) specific defense mechanism 
C) nonspecific defense mechanism

Question 15

Which of the following is TRUE regarding HIV and AIDS?

Accepted Answer

A)  Most of the people infected with HIV live in South America, where the disease originated. 
B)  Approximately 100,000 people worldwide are newly diagnosed with HIV each day. 
C)  Due to improved availability of drugs combating HIV in the United States, there is an increase in the life span of people living with AIDS. 
D)  Symptoms of AIDS appear quickly after HIV detection. 
E)  More than 95% of people living with HIV will die within five years. 
A)  Most of the people infected with HIV live in South America, where the disease originated. 
B)  Approximately 100,000 people worldwide are newly diagnosed with HIV each day. 
C)  Due to improved availability of drugs combating HIV in the United States, there is an increase in the life span of people living with AIDS. 
D)  Symptoms of AIDS appear quickly after HIV detection. 
E)  More than 95% of people living with HIV will die within five years.

Question 16

Match each of the following disorders associated with the immune system to its description.
-an autoimmune disorder affecting the synovial membrane of the joints

Accepted Answer

A) acquired immunodeficiency syndrome (AIDS) 
B) severe combined immunodeficiency disease (SCI
D)  
C) rheumatoid arthritis 
D) allergy 
E) lupus erythematosus 
A) acquired immunodeficiency syndrome (AIDS) 
B) severe combined immunodeficiency disease (SCI
D)  
C) rheumatoid arthritis 
D) allergy 
E) lupus erythematosus

Question 17

The bacteria that normally live on the mucous membranes of the digestive tract and vagina provide protection against infection with harmful disease-producing microorganisms.

Accepted Answer

A) True 
 B)False

Question 18

The unique set of proteins located on the surface of cells that distinguish one organism from another are the ________.

Accepted Answer

major hist

Question 19

Which of the following antibodies would most likely be involved with the immune response against a microorganism entering the digestive or reproductive tract?

Accepted Answer

A)  IgA 
B)  IgD 
C)  IgG 
D)  IgM 
E)  IgE 
A)  IgA 
B)  IgD 
C)  IgG 
D)  IgM 
E)  IgE

Question 20

The best way to reduce bacterial pathogens in the bloodstream is to reduce a fever as quickly as possible.

Accepted Answer

A) True 
 B)False

Exam 9: The Immune System and Mechanisms of Defense

Which of the following body fluids does not transmit HIV from human to human?

Which of the following is associated with the specific defenses of the body?

The bubonic plague epidemic that swept through Europe between 1348 and 1350 A.D. was induced by a(n)

Match each component of the lymphatic system to its function. -filters out microorganisms that enter the throat by food or air

Which one of the following is/are located in the tonsils to filter out many of the microorganisms that enter the throat?

Match each of the following T lymphocytes to its description. -migrate through blood and lymph, directly attacking and destroying foreign cells

Vaccines contain

Match each of the following disorders associated with the immune system to its description. -an inherited disorder characterized by insufficient numbers of lymphocytes to fight an infection

Cell-mediated immunity involves the activity of ________ lymphocytes.

Viral-infected human cells often send out special proteins that serve as an early warning system to uninfected cells. In response, the uninfected cells develop antiviral proteins that protect them. The early warning proteins sent out by viral-infected cells are

Match each of the following T lymphocytes to its description. -stimulate the immune system by secreting lymphokines and interleukins; they activate B lymphocytes and macrophages

Body defenses that respond to generalized tissue damage and many common pathogens are referred to as

The human body uses three lines of defense to protect against pathogens. Match each of the following categories of defense to the type of cell or mechanism involved in the defense. Answers may be used more than once. -release of interferons

Which of the following is TRUE regarding HIV and AIDS?

Match each of the following disorders associated with the immune system to its description. -an autoimmune disorder affecting the synovial membrane of the joints

The bacteria that normally live on the mucous membranes of the digestive tract and vagina provide protection against infection with harmful disease-producing microorganisms.

The unique set of proteins located on the surface of cells that distinguish one organism from another are the ________.

Which of the following antibodies would most likely be involved with the immune response against a microorganism entering the digestive or reproductive tract?

The best way to reduce bacterial pathogens in the bloodstream is to reduce a fever as quickly as possible.

Human Biology, Science, and Society

The Chemistry of Living Things

Structure and Function of Cells

From Cells to Organ Systems

The Skeletal System

The Muscular System

Blood

Heart and Blood Vessels

The Respiratory System: Exchange of Gases

The Nervous System: Integration and Control

Sensory Mechanisms

The Endocrine System

The Digestive System and Nutrition

The Urinary System

Reproductive Systems

Cell Reproduction and Differentiation

Cancer: Uncontrolled Cell Division and Differentiation

Genetics and Inheritance

DNA Technology and Genetic Engineering

Development and Aging

Evolution and the Origins of Life

Ecosystems and Populations

Human Impacts, Biodiversity, and Environmental Issues

Filters