Question 1

Active natural immunity occurs when

Accepted Answer

A)  antibodies pass from a pregnant mother to her fetus. 
B)  antibodies are injected into a host. 
C)  an individual develops a disease. 
D)  a person is vaccinated. 
E)  antibodies are passed in breast milk. 
A)  antibodies pass from a pregnant mother to her fetus. 
B)  antibodies are injected into a host. 
C)  an individual develops a disease. 
D)  a person is vaccinated. 
E)  antibodies are passed in breast milk.

Question 2

Match the appropriate characteristic with the type of immunity.
-provide protection against extracellular antigens

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 3

Interferon

Accepted Answer

A)  directly attacks viruses. 
B)  protects cells that have been invaded by viruses. 
C)  increases vascular permeability. 
D)  is not produced by most cells. 
E)  is a protein that interferes with virus production and infection. 
A)  directly attacks viruses. 
B)  protects cells that have been invaded by viruses. 
C)  increases vascular permeability. 
D)  is not produced by most cells. 
E)  is a protein that interferes with virus production and infection.

Question 4

Interferon production is stimulated by

Accepted Answer

A)  a viral infection. 
B)  the complement cascade. 
C)  antigen-presenting cells. 
D)  degranulation of basophils. 
E)  inflammation. 
A)  a viral infection. 
B)  the complement cascade. 
C)  antigen-presenting cells. 
D)  degranulation of basophils. 
E)  inflammation.

Question 5

Which of the following is NOT a mechanism of complement action?

Accepted Answer

A)  produces cytokines 
B)  opsonization 
C)  attracts other immune cells to the site of infection 
D)  forms a MAC that leads to cell lysis 
A)  produces cytokines 
B)  opsonization 
C)  attracts other immune cells to the site of infection 
D)  forms a MAC that leads to cell lysis

Question 6

Match the term with the appropriate description.
-prostaglandins

Accepted Answer

A) lipids that cause smooth muscle relaxation and vasodilation 
B) lymph nodules aggregated in the small intestinal wall 
C) rounded epithelial structures found in the medulla of thymus 
D) areas of a lymph node where lymphocytes divide 
E) a chemical released from mast cells that causes vasodilation 
A) lipids that cause smooth muscle relaxation and vasodilation 
B) lymph nodules aggregated in the small intestinal wall 
C) rounded epithelial structures found in the medulla of thymus 
D) areas of a lymph node where lymphocytes divide 
E) a chemical released from mast cells that causes vasodilation

Question 7

Several research groups are working on vaccines that will be effective against the AIDS virus. When a successful vaccine is produced, it is likely to be injected to produce

Accepted Answer

A)  active natural immunity. 
B)  active artificial immunity. 
C)  passive natural immunity. 
D)  passive artificial immunity. 
E)  active passive immunity. 
A)  active natural immunity. 
B)  active artificial immunity. 
C)  passive natural immunity. 
D)  passive artificial immunity. 
E)  active passive immunity.

Question 8

The immunoglobulin that is often the first antibody produced in response to an antigen is

Accepted Answer

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

Question 9

Lymphocytes with a CD8 glycoprotein on their surface are called ______ cells and lymphocytes with a CD4 glycoprotein on their surface are called ______ cells.

Accepted Answer

A)  cytotoxic T; B 
B)  B; cytotoxic T 
C)  B; helper T 
D)  helper T; cytotoxic T 
E)  cytotoxic T; helper 
A)  cytotoxic T; B 
B)  B; cytotoxic T 
C)  B; helper T 
D)  helper T; cytotoxic T 
E)  cytotoxic T; helper

Question 10

Which of the following is correctly matched?

Accepted Answer

A)  IgA - found in saliva and tears 
B)  IgD - can cross the placenta 
C)  IgG - first to challenge the antigen 
D)  IgM - antigen-binding receptor on B cells 
E)  IgE - transfusion reactions 
A)  IgA - found in saliva and tears 
B)  IgD - can cross the placenta 
C)  IgG - first to challenge the antigen 
D)  IgM - antigen-binding receptor on B cells 
E)  IgE - transfusion reactions

Question 11

Match the type of cell with its function.
-natural killer cell

Accepted Answer

A) first cell to enter infected tissue 
B) will become macrophage in tissue 
C) lyses tumor and virus-infected cells 
D) cell that increases in number during a parasitic infection 
E) nonmotile cells in connective tissue that promote inflammation 
A) first cell to enter infected tissue 
B) will become macrophage in tissue 
C) lyses tumor and virus-infected cells 
D) cell that increases in number during a parasitic infection 
E) nonmotile cells in connective tissue that promote inflammation

Question 12

Which of the following statements concerning the spleen is true?

Accepted Answer

A)  Splenic arteries enter the organ at the periarterial sheath. 
B)  The spleen can act as a blood reservoir. 
C)  The white pulp is associated with the venous supply. 
D)  The red pulp has trabeculae. 
E)  Humans can not survive without a spleen. 
A)  Splenic arteries enter the organ at the periarterial sheath. 
B)  The spleen can act as a blood reservoir. 
C)  The white pulp is associated with the venous supply. 
D)  The red pulp has trabeculae. 
E)  Humans can not survive without a spleen.

Question 13

Tolerance is a state of

Accepted Answer

A)  hypersensitivity. 
B)  transplant rejection. 
C)  unresponsiveness to antigens. 
D)  responding to self-antigens. 
E)  non-recognition of antigens. 
A)  hypersensitivity. 
B)  transplant rejection. 
C)  unresponsiveness to antigens. 
D)  responding to self-antigens. 
E)  non-recognition of antigens.

Question 14

Natural Killer (NK) cells

Accepted Answer

A)  a type of macrophage. 
B)  are a type of plasma cell. 
C)  secrete enzymes that kill tumor or virus-infected cells. 
D)  are derived from B cells. 
E)  promote inflammation. 
A)  a type of macrophage. 
B)  are a type of plasma cell. 
C)  secrete enzymes that kill tumor or virus-infected cells. 
D)  are derived from B cells. 
E)  promote inflammation.

Question 15

Match the term with the appropriate description.
-thymic corpuscles

Accepted Answer

A) lipids that cause smooth muscle relaxation and vasodilation 
B) lymph nodules aggregated in the small intestinal wall 
C) rounded epithelial structures found in the medulla of thymus 
D) areas of a lymph node where lymphocytes divide 
E) a chemical released from mast cells that causes vasodilation 
A) lipids that cause smooth muscle relaxation and vasodilation 
B) lymph nodules aggregated in the small intestinal wall 
C) rounded epithelial structures found in the medulla of thymus 
D) areas of a lymph node where lymphocytes divide 
E) a chemical released from mast cells that causes vasodilation

Question 16

Frequently, several different signals or molecules are needed in order to produce an immune response by a B cell or T cell. The second signal in this process is called

Accepted Answer

A)  opsonization. 
B)  copresentation. 
C)  complement activation. 
D)  antigen processing. 
E)  costimulation. 
A)  opsonization. 
B)  copresentation. 
C)  complement activation. 
D)  antigen processing. 
E)  costimulation.

Question 17

Bean-shaped lymphatic organs found along lymphatic vessels are called

Accepted Answer

A)  lymph nodes. 
B)  medullary cords. 
C)  cisterna chyli. 
D)  trabeculae. 
E)  lymph nodules. 
A)  lymph nodes. 
B)  medullary cords. 
C)  cisterna chyli. 
D)  trabeculae. 
E)  lymph nodules.

Question 18

B-cells

Accepted Answer

A)  are a subset of T cells. 
B)  when activated become plasma cells and produce antibodies. 
C)  are responsible for forming all the body's memory cells. 
D)  suppress the activity of T cells. 
E)  mature in the thymus. 
A)  are a subset of T cells. 
B)  when activated become plasma cells and produce antibodies. 
C)  are responsible for forming all the body's memory cells. 
D)  suppress the activity of T cells. 
E)  mature in the thymus.

Question 19

MHC class II molecules are found on

Accepted Answer

A)  neutrophils, monocytes, and macrophages. 
B)  dendritic cells, B cells, and helper T cells. 
C)  monocytes, helper T cells, and neutrophils. 
D)  B cells, macrophages, and dendritic cells. 
E)  B cells, C cells and D cells. 
A)  neutrophils, monocytes, and macrophages. 
B)  dendritic cells, B cells, and helper T cells. 
C)  monocytes, helper T cells, and neutrophils. 
D)  B cells, macrophages, and dendritic cells. 
E)  B cells, C cells and D cells.

Question 20

If you receive an immunization for hepatitis B and produce antibodies against the hepatitis B virus, you have developed what type of adaptive immunity?

Accepted Answer

A)  active natural immunity 
B)  active artificial immunity 
C)  passive natural immunity 
D)  passive artificial immunity 
E)  active passive immunity 
A)  active natural immunity 
B)  active artificial immunity 
C)  passive natural immunity 
D)  passive artificial immunity 
E)  active passive immunity

Exam 22: Lymphatic System and Immunity

Active natural immunity occurs when

Match the appropriate characteristic with the type of immunity. -provide protection against extracellular antigens

Interferon

Interferon production is stimulated by

Which of the following is NOT a mechanism of complement action?

Match the term with the appropriate description. -prostaglandins

Several research groups are working on vaccines that will be effective against the AIDS virus. When a successful vaccine is produced, it is likely to be injected to produce

The immunoglobulin that is often the first antibody produced in response to an antigen is

Lymphocytes with a CD8 glycoprotein on their surface are called ______ cells and lymphocytes with a CD4 glycoprotein on their surface are called ______ cells.

Which of the following is correctly matched?

Match the type of cell with its function. -natural killer cell

Which of the following statements concerning the spleen is true?

Tolerance is a state of

Natural Killer (NK) cells

Match the term with the appropriate description. -thymic corpuscles

Frequently, several different signals or molecules are needed in order to produce an immune response by a B cell or T cell. The second signal in this process is called

Bean-shaped lymphatic organs found along lymphatic vessels are called

B-cells

MHC class II molecules are found on

If you receive an immunization for hepatitis B and produce antibodies against the hepatitis B virus, you have developed what type of adaptive immunity?

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

Filters

Lymphocytes with a CD8 glycoprotein on their surface are called cells and lymphocytes with a CD4 glycoprotein on their surface are called cells.