Question 1

An opsonin is a __________________.

Accepted Answer

A)  subclass of immunoglobulin. 
B)  compound released by leukocytes that aids in the immune response to an antigen. 
C)  substance that promotes fever. 
D)  compound released by leukocytes that inhibits the immune response to an antigen. 
E)  substance that makes antigens more susceptible to phagocytosis. 
A)  subclass of immunoglobulin. 
B)  compound released by leukocytes that aids in the immune response to an antigen. 
C)  substance that promotes fever. 
D)  compound released by leukocytes that inhibits the immune response to an antigen. 
E)  substance that makes antigens more susceptible to phagocytosis.

Question 2

Describe the wall of lymphatic capillaries.

Accepted Answer

A)  Thin-walled, with tightly joined squamous cells 
B)  Thin-walled, with tightly joined cuboidal cells 
C)  Thick-walled, with overlapping squamous cells 
D)  Thick-walled, with tightly joined squamous cells 
E)  Thin-walled, with overlapping squamous cells 
A)  Thin-walled, with tightly joined squamous cells 
B)  Thin-walled, with tightly joined cuboidal cells 
C)  Thick-walled, with overlapping squamous cells 
D)  Thick-walled, with tightly joined squamous cells 
E)  Thin-walled, with overlapping squamous cells

Question 3

Which of the following is true of adaptive immunity?

Accepted Answer

A)  It is present at birth. 
B)  Previous encounters with the foreign substance does not change the response. 
C)  The second response is faster and stronger than the first response. 
D)  Responses are general, not specific. 
A)  It is present at birth. 
B)  Previous encounters with the foreign substance does not change the response. 
C)  The second response is faster and stronger than the first response. 
D)  Responses are general, not specific.

Question 4

The type of cell responsible for the secondary response is a

Accepted Answer

A)  mast cell. 
B)  macrophage. 
C)  memory cell. 
D)  red blood cell. 
E)  monocyte. 
A)  mast cell. 
B)  macrophage. 
C)  memory cell. 
D)  red blood cell. 
E)  monocyte.

Question 5

In immunodeficiency diseases,

Accepted Answer

A)  the immune system fails to distinguish between self-antigens and foreign antigens. 
B)  inadequate B and/or T cell formation may occur. 
C)  IgE mediates a localized reaction. 
D)  serum sickness results. 
E)  immune surveillance occurs. 
A)  the immune system fails to distinguish between self-antigens and foreign antigens. 
B)  inadequate B and/or T cell formation may occur. 
C)  IgE mediates a localized reaction. 
D)  serum sickness results. 
E)  immune surveillance occurs.

Question 6

Match the cell of adaptive immunity with its function.
-B cell

Accepted Answer

A) quick and responsive to antigen, remembers previous exposure 
B) after activitaion, differentiates to become plasma cell or memory B cell 
C) produces antibodies 
D) destroys cells by lysis or by production of cytokines 
E) activates B and effector T cells 
A) quick and responsive to antigen, remembers previous exposure 
B) after activitaion, differentiates to become plasma cell or memory B cell 
C) produces antibodies 
D) destroys cells by lysis or by production of cytokines 
E) activates B and effector T cells

Question 7

Transfusing a person with plasma proteins from a person or an animal that has been actively immunized against a specific antigen provides

Accepted Answer

A)  active immunity. 
B)  passive immunity. 
C)  no immunity. 
D)  autoimmunity. 
E)  natural immunity. 
A)  active immunity. 
B)  passive immunity. 
C)  no immunity. 
D)  autoimmunity. 
E)  natural immunity.

Question 8

The only structures that filter lymph is/are the

Accepted Answer

A)  tonsils. 
B)  spleen. 
C)  lymph nodes. 
D)  thymus. 
A)  tonsils. 
B)  spleen. 
C)  lymph nodes. 
D)  thymus.

Question 9

Why is a cell-mediated immune response more effective against intracellular microorganisms (such as viruses) than an antibody-mediated response?

Accepted Answer

A)  Cell-mediated (vs. antibody-mediated) response results in activation of a many more immune cells, so it is more effective at destroying antigens 
B)  Intracellular microorganisms are too large for antibodies to be effective against 
C)  Intracellular microorganisms are too small for antibodies to be effective against 
D)  Cell-mediated response results in destruction of cell containing the intracellular microorganism; antibodies can't enter cells 
A)  Cell-mediated (vs. antibody-mediated) response results in activation of a many more immune cells, so it is more effective at destroying antigens 
B)  Intracellular microorganisms are too large for antibodies to be effective against 
C)  Intracellular microorganisms are too small for antibodies to be effective against 
D)  Cell-mediated response results in destruction of cell containing the intracellular microorganism; antibodies can't enter cells

Question 10

Match the cell of adaptive immunity with its function.
-plasma cell

Accepted Answer

A) quick and responsive to antigen, remembers previous exposure 
B) after activitaion, differentiates to become plasma cell or memory B cell 
C) produces antibodies 
D) destroys cells by lysis or by production of cytokines 
E) activates B and effector T cells 
A) quick and responsive to antigen, remembers previous exposure 
B) after activitaion, differentiates to become plasma cell or memory B cell 
C) produces antibodies 
D) destroys cells by lysis or by production of cytokines 
E) activates B and effector T cells

Question 11

Mucosal associated lymphatic tissues (MALT) are:

Accepted Answer

A)  aggregates of macrophages located in the intestines. 
B)  clusters of splenocytes located in the lamina propria of mucous membranes. 
C)  clumps of mucous lining the lumen of the gastrointestinal tract. 
D)  aggregates of lymphatic tissue scattered throughout the lamina propria of mucous membranes. 
A)  aggregates of macrophages located in the intestines. 
B)  clusters of splenocytes located in the lamina propria of mucous membranes. 
C)  clumps of mucous lining the lumen of the gastrointestinal tract. 
D)  aggregates of lymphatic tissue scattered throughout the lamina propria of mucous membranes.

Question 12

All of the following are interactions between cell mediated immunity and innate immunity, except

Accepted Answer

A)  Macrophage of innate immunity present antigens to helper T cells. 
B)  Cytokines secreted by helper T cells stimulate inflammation. 
C)  Cytokines secreted by helper T cells stimulate phagocytosis. 
D)  Macrophages of innate immunity present antigens to cytotoxic T cells. 
A)  Macrophage of innate immunity present antigens to helper T cells. 
B)  Cytokines secreted by helper T cells stimulate inflammation. 
C)  Cytokines secreted by helper T cells stimulate phagocytosis. 
D)  Macrophages of innate immunity present antigens to cytotoxic T cells.

Question 13

Match the appropriate characteristic with the type of immunity.
-cells mature in thymus gland

Accepted Answer

A) innate immunity 
B) antibody-mediated immunity 
C) cell-mediated immunity 
D) both antibody and cell-mediated immunity 
E) innate immunity, antibody-mediated immunity and cell-mediated immunity 
A) innate immunity 
B) antibody-mediated immunity 
C) cell-mediated immunity 
D) both antibody and cell-mediated immunity 
E) innate immunity, antibody-mediated immunity and cell-mediated immunity

Question 14

Once cytotoxic T cells are produced, which of the following is (are) consistent with their ability to attack intracellular viruses?

Accepted Answer

A)  Most nucleated cells process antigens through the MHC class I mechanisms. 
B)  Viral antigens are processed by the MHC class I mechanism and are presented to the cell surface. 
C)  Cytotoxic T cells bind to MHC class I processed antigens. 
D)  Cytotoxic T cells bound to the MHC class I processed antigens release lymphokines. 
E)  All of these choices are correct. 
A)  Most nucleated cells process antigens through the MHC class I mechanisms. 
B)  Viral antigens are processed by the MHC class I mechanism and are presented to the cell surface. 
C)  Cytotoxic T cells bind to MHC class I processed antigens. 
D)  Cytotoxic T cells bound to the MHC class I processed antigens release lymphokines. 
E)  All of these choices are correct.

Question 15

Match the appropriate characteristic with the type of immunity.
-ability to resist damage from foreign substances such as microorganisms and harmful chemicals

Accepted Answer

A) innate immunity 
B) antibody-mediated immunity 
C) cell-mediated immunity 
D) both antibody and cell-mediated immunity 
E) innate immunity, antibody-mediated immunity and cell-mediated immunity 
A) innate immunity 
B) antibody-mediated immunity 
C) cell-mediated immunity 
D) both antibody and cell-mediated immunity 
E) innate immunity, antibody-mediated immunity and cell-mediated immunity

Question 16

Match the cell of adaptive immunity with its function.
-helper T cell

Accepted Answer

A) quick and responsive to antigen, remembers previous exposure 
B) after activitaion, differentiates to become plasma cell or memory B cell 
C) produces antibodies 
D) destroys cells by lysis or by production of cytokines 
E) activates B and effector T cells 
A) quick and responsive to antigen, remembers previous exposure 
B) after activitaion, differentiates to become plasma cell or memory B cell 
C) produces antibodies 
D) destroys cells by lysis or by production of cytokines 
E) activates B and effector T cells

Question 17

Antibodies are produced by

Accepted Answer

A)  cytotoxic T cells stimulated by helper T cells. 
B)  helper T cells stimulated by various cytokines. 
C)  B cells that differentiate to form plasma cells. 
D)  natural killer cells as they lyse cancer cells. 
E)  the red bone marrow. 
A)  cytotoxic T cells stimulated by helper T cells. 
B)  helper T cells stimulated by various cytokines. 
C)  B cells that differentiate to form plasma cells. 
D)  natural killer cells as they lyse cancer cells. 
E)  the red bone marrow.

Question 18

The HIV virus can be transmitted

Accepted Answer

A)  only from males to other males. 
B)  during unprotected sexual intercourse. 
C)  by coughing or sneezing. 
D)  by contact with people at work. 
E)  by hugging an infected child. 
A)  only from males to other males. 
B)  during unprotected sexual intercourse. 
C)  by coughing or sneezing. 
D)  by contact with people at work. 
E)  by hugging an infected child.

Question 19

Macrophages

Accepted Answer

A)  are derived from basophils. 
B)  reduce the inflammatory response. 
C)  are responsible for most phagocytic activity in the late stages of an infection. 
D)  produce cytokines that aid in the destruction of antigens. 
E)  are the first at the site of infection. 
A)  are derived from basophils. 
B)  reduce the inflammatory response. 
C)  are responsible for most phagocytic activity in the late stages of an infection. 
D)  produce cytokines that aid in the destruction of antigens. 
E)  are the first at the site of infection.

Question 20

The HIV virus infects

Accepted Answer

A)  B cells. 
B)  cytotoxic T cells. 
C)  suppressor T cells. 
D)  helper T cells. 
E)  monocytes. 
A)  B cells. 
B)  cytotoxic T cells. 
C)  suppressor T cells. 
D)  helper T cells. 
E)  monocytes.

Exam 22: Lymphatic System and Immunity

An opsonin is a __________________.

Describe the wall of lymphatic capillaries.

Which of the following is true of adaptive immunity?

The type of cell responsible for the secondary response is a

In immunodeficiency diseases,

Match the cell of adaptive immunity with its function. -B cell

Transfusing a person with plasma proteins from a person or an animal that has been actively immunized against a specific antigen provides

The only structures that filter lymph is/are the

Why is a cell-mediated immune response more effective against intracellular microorganisms (such as viruses) than an antibody-mediated response?

Match the cell of adaptive immunity with its function. -plasma cell

Mucosal associated lymphatic tissues (MALT) are:

All of the following are interactions between cell mediated immunity and innate immunity, except

Match the appropriate characteristic with the type of immunity. -cells mature in thymus gland

Once cytotoxic T cells are produced, which of the following is (are) consistent with their ability to attack intracellular viruses?

Match the appropriate characteristic with the type of immunity. -ability to resist damage from foreign substances such as microorganisms and harmful chemicals

Match the cell of adaptive immunity with its function. -helper T cell

Antibodies are produced by

The HIV virus can be transmitted

Macrophages

The HIV virus infects

The Human Organism

The Chemical Basis of Life

Cell Biology

Tissues

Integumentary System

Skeletal System: Bones and Bone Tissue

Skeletal System: Gross Anatomy

Joints and Movement

Muscular System: Histology and Physiology

Muscular System: Gross Anatomy

Functional Organization of Nervous Tissue

Spinal Cord and Spinal Nerves

Brain and Cranial Nerves

Integration of Nervous System Functions

The Special Senses

Autonomic Nervous System

Functional Organization of the Endocrine System

Endocrine Glands

Cardiovascular System: Blood

Cardiovascular System: the Heart

Cardiovascular System: Blood Vessels and Circulation

Respiratory System

Digestive System

Nutrition, Metabolism, and Temperature Regulation

Urinary System

Water, Electrolyte, and Acid-Based Balance

Reproductive System

Development, Growth, Aging, and Genetics

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