Question 1

-This diagram illustrates the effects of antibodies. What effect does "C" represent?

Accepted Answer

A)  activation of complement cascade 
B)  facilitation of phagocytosis 
C)  initiates release of inflammatory chemicals 
D)  binds antigens together 
E)  inactivation of antigens 
A)  activation of complement cascade 
B)  facilitation of phagocytosis 
C)  initiates release of inflammatory chemicals 
D)  binds antigens together 
E)  inactivation of antigens

Question 2

-What does "E" represent on the diagram?

Accepted Answer

A)  spleen 
B)  thymus 
C)  axillary lymph node 
D)  inguinal lymph node 
E)  thoracic duct 
A)  spleen 
B)  thymus 
C)  axillary lymph node 
D)  inguinal lymph node 
E)  thoracic duct

Question 3

Positive selection of lymphocytes refers to the

Accepted Answer

A)  processing of an antigen by a macrophage. 
B)  proliferation of natural killer cells. 
C)  production of antigen-specific antibodies. 
D)  survival of pre-B and pre-T cells that are capable of an immune response. 
E)  replication of memory cells. 
A)  processing of an antigen by a macrophage. 
B)  proliferation of natural killer cells. 
C)  production of antigen-specific antibodies. 
D)  survival of pre-B and pre-T cells that are capable of an immune response. 
E)  replication of memory cells.

Question 4

Match the appropriate characteristic with the type of immunity.
-neutrophils and macrophages

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 5

Lymph movement is assisted by

Accepted Answer

A)  contraction of skeletal muscle. 
B)  contraction of smooth muscle in lymph vessel. 
C)  pressure changes in the thorax during respiration. 
D)  compression of lymphatic vessels. 
E)  All of these choices are correct. 
A)  contraction of skeletal muscle. 
B)  contraction of smooth muscle in lymph vessel. 
C)  pressure changes in the thorax during respiration. 
D)  compression of lymphatic vessels. 
E)  All of these choices are correct.

Question 6

______ determines which B-cell is cloned in an antibody-mediated response.

Accepted Answer

A)  The antibody 
B)  The antigen 
C)  A macrophage 
D)  Complement 
E)  A neutrophil 
A)  The antibody 
B)  The antigen 
C)  A macrophage 
D)  Complement 
E)  A neutrophil

Question 7

-The diagram illustrates the stimulation and effects of T cells. What does "C" represent?

Accepted Answer

A)  memory T cells 
B)  cytotoxic T cells 
C)  contact killing 
D)  lysis of target cell 
E)  release of cytokines 
A)  memory T cells 
B)  cytotoxic T cells 
C)  contact killing 
D)  lysis of target cell 
E)  release of cytokines

Question 8

During the inflammatory response,

Accepted Answer

A)  vasoconstriction occurs. 
B)  chemical mediators are released. 
C)  vascular permeability is decreased. 
D)  neutrophil production is depressed. 
E)  blood flow is reduced. 
A)  vasoconstriction occurs. 
B)  chemical mediators are released. 
C)  vascular permeability is decreased. 
D)  neutrophil production is depressed. 
E)  blood flow is reduced.

Question 9

Match the term with the appropriate description.
-Peyer's patches

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 10

What structural feature of lymphatic vessels is responsible to forward movement of lymph?

Accepted Answer

A)  over-lapping endothelial cells 
B)  valves 
C)  no basement membrane 
D)  thin walls 
A)  over-lapping endothelial cells 
B)  valves 
C)  no basement membrane 
D)  thin walls

Question 11

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 12

Match the term with the appropriate description.
-germinal centers

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 13

Match the cell of adaptive immunity with its function.
-memory 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 14

-The diagram illustrates the stimulation and effects of T cells. What does "D" represent?

Accepted Answer

A)  memory T cells 
B)  cytotoxic T cells 
C)  contact killing 
D)  lysis of target cell 
E)  release of cytokines 
A)  memory T cells 
B)  cytotoxic T cells 
C)  contact killing 
D)  lysis of target cell 
E)  release of cytokines

Question 15

Which of the following is NOT a secondary lymphatic organ?

Accepted Answer

A)  spleen 
B)  lymph node 
C)  lymphatic nodule 
D)  thymus gland 
A)  spleen 
B)  lymph node 
C)  lymphatic nodule 
D)  thymus gland

Question 16

Match the term with the appropriate description.
-histamine

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 17

Match the type of cell with its function.
-neutrophil

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 18

Which of the following is NOT a function of the lymphatic system?

Accepted Answer

A)  Defending from infection caused by microorganisms and other foreign substances. 
B)  Aiding in erythropoiesis of red blood cells. 
C)  Maintaining fluid balance by returning excess interstitial fluid to the blood. 
D)  Absorbing and transporting lipids from the digestive tract. 
A)  Defending from infection caused by microorganisms and other foreign substances. 
B)  Aiding in erythropoiesis of red blood cells. 
C)  Maintaining fluid balance by returning excess interstitial fluid to the blood. 
D)  Absorbing and transporting lipids from the digestive tract.

Question 19

A small molecule that can cause an allergic reaction is a/an

Accepted Answer

A)  T cell. 
B)  B cell. 
C)  antibody. 
D)  hapten. 
A)  T cell. 
B)  B cell. 
C)  antibody. 
D)  hapten.

Question 20

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.

Exam 22: Lymphatic System and Immunity

-This diagram illustrates the effects of antibodies. What effect does "C" represent?

-What does "E" represent on the diagram?

Positive selection of lymphocytes refers to the

Match the appropriate characteristic with the type of immunity. -neutrophils and macrophages

Lymph movement is assisted by

______ determines which B-cell is cloned in an antibody-mediated response.

-The diagram illustrates the stimulation and effects of T cells. What does "C" represent?

During the inflammatory response,

Match the term with the appropriate description. -Peyer's patches

What structural feature of lymphatic vessels is responsible to forward movement of lymph?

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

Match the term with the appropriate description. -germinal centers

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

-The diagram illustrates the stimulation and effects of T cells. What does "D" represent?

Which of the following is NOT a secondary lymphatic organ?

Match the term with the appropriate description. -histamine

Match the type of cell with its function. -neutrophil

Which of the following is NOT a function of the lymphatic system?

A small molecule that can cause an allergic reaction is a/an

In immunodeficiency diseases,

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, Electrolytes, and Acidbase Balance

Reproductive System

Development, Growth, Aging, and Genetics

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