Question 1

Primary lymphatic organs include the

Accepted Answer

A) tonsils and spleen. 
B) thymus and lymph nodes. 
C) red bone marrow and thymus. 
D) red bone marrow and lymph nodes. 
A) tonsils and spleen. 
B) thymus and lymph nodes. 
C) red bone marrow and thymus. 
D) red bone marrow and lymph nodes.

Question 2

Which of the following substances causes increased capillary permeability,chemotaxis,and vasodilation?

Accepted Answer

A) histamine 
B) protaglandins 
C) leukotrienes 
D) complement 
E) cytokines 
A) histamine 
B) protaglandins 
C) leukotrienes 
D) complement 
E) cytokines

Question 3

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 4

What areas of an antigen are recognized by lymphocytes so that they can respond?

Accepted Answer

A) major histocompatibility complexes 
B) antigenic determinants 
C) T-cell receptors 
D) epitopes 
E) Both antigenic determinants and epitopes are correct. 
A) major histocompatibility complexes 
B) antigenic determinants 
C) T-cell receptors 
D) epitopes 
E) Both antigenic determinants and epitopes are correct.

Question 5

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

Question 6

The lymphatic system is involved in

Accepted Answer

A) lipid absorption from the digestive tract. 
B) transporting lymph from the intestines to the liver. 
C) maintenance of pH in the tissues. 
D) production of erythrocytes. 
E) protein metabolism. 
A) lipid absorption from the digestive tract. 
B) transporting lymph from the intestines to the liver. 
C) maintenance of pH in the tissues. 
D) production of erythrocytes. 
E) protein metabolism.

Question 7

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 8

Antibodies

Accepted Answer

A) activate antigens. 
B) may initiate inflammation and enhance phagocytosis. 
C) are proteins produced by T helper cells. 
D) are needed for costimulation. 
E) have memory. 
A) activate antigens. 
B) may initiate inflammation and enhance phagocytosis. 
C) are proteins produced by T helper cells. 
D) are needed for costimulation. 
E) have memory.

Question 9

The MHC (major histocompatibility complex)class molecules

Accepted Answer

A) are only found on B cells. 
B) are found in the nucleus of cells. 
C) allow the immune system to respond to antigens inside cells. 
D) are lipoproteins on cell surfaces. 
E) do not attach to plasma membranes. 
A) are only found on B cells. 
B) are found in the nucleus of cells. 
C) allow the immune system to respond to antigens inside cells. 
D) are lipoproteins on cell surfaces. 
E) do not attach to plasma membranes.

Question 10

Match the cell of adaptive immunity with its function.
-cytotoxic 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 11

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 12

In the cell-mediated immune response,T cells secrete ____,which activate additional components of the immune system.

Accepted Answer

A) antibodies 
B) complement 
C) collagen 
D) cytokines 
E) histamine 
A) antibodies 
B) complement 
C) collagen 
D) cytokines 
E) histamine

Question 13

Which is the proper order of events in cell-mediated immunity? (1)cloning of cytotoxic T cells and memory T cells
(2)antigen presented to T lymphocyte
(3)activation of T lymphocytes
(4)cytotoxic T cells attack target cells

Accepted Answer

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

Question 14

Match the appropriate characteristic with the type of immunity.
-organ rejection

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 15

In a patient experiencing a parasitic worm infection,which of the following immune cells will greatly increase in number?

Accepted Answer

A) mast cells 
B) eosinophils 
C) monocytes 
D) neutrophils 
E) basophils 
A) mast cells 
B) eosinophils 
C) monocytes 
D) neutrophils 
E) basophils

Question 16

Tolerance to antigens is induced by

Accepted Answer

A) blocking costimulation. 
B) stimulating interleukin 2 production. 
C) preventing suppressor T cell proliferation. 
D) promoting the release of cytokines. 
E) stimulating helper T cell division. 
A) blocking costimulation. 
B) stimulating interleukin 2 production. 
C) preventing suppressor T cell proliferation. 
D) promoting the release of cytokines. 
E) stimulating helper T cell division.

Question 17

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 18

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.

Question 19

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 20

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

Exam 22: Lymphatic System and Immunity

Primary lymphatic organs include the

Which of the following substances causes increased capillary permeability,chemotaxis,and vasodilation?

Which of the following is correctly matched?

What areas of an antigen are recognized by lymphocytes so that they can respond?

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 lymphatic system is involved in

Which of the following is true of adaptive immunity?

Antibodies

The MHC (major histocompatibility complex)class molecules

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

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

In the cell-mediated immune response,T cells secrete ____,which activate additional components of the immune system.

Which is the proper order of events in cell-mediated immunity? (1)cloning of cytotoxic T cells and memory T cells (2)antigen presented to T lymphocyte (3)activation of T lymphocytes (4)cytotoxic T cells attack target cells

Match the appropriate characteristic with the type of immunity. -organ rejection

In a patient experiencing a parasitic worm infection,which of the following immune cells will greatly increase in number?

Tolerance to antigens is induced by

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

The HIV virus infects

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

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

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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