Question 1

Peyer patches are lymphatic nodules found in the

Accepted Answer

A)  lymph nodes. 
B)  spleen and tonsils. 
C)  appendix and tonsils. 
D)  small intestine and appendix. 
A)  lymph nodes. 
B)  spleen and tonsils. 
C)  appendix and tonsils. 
D)  small intestine and appendix.

Question 2

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 3

Lysozyme is

Accepted Answer

A)  an enzyme found in body fluids that destroys certain bacteria. 
B)  a type of antibody that attracts a phagocyte. 
C)  a cytokine produced by T cells. 
D)  an antigen. 
E)  a bacteria. 
A)  an enzyme found in body fluids that destroys certain bacteria. 
B)  a type of antibody that attracts a phagocyte. 
C)  a cytokine produced by T cells. 
D)  an antigen. 
E)  a bacteria.

Question 4

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 5

An abnormal, exaggerated response of the immune system is called

Accepted Answer

A)  immunization. 
B)  an innate immune response. 
C)  hypersensitivity. 
D)  excess immunity. 
E)  tolerance. 
A)  immunization. 
B)  an innate immune response. 
C)  hypersensitivity. 
D)  excess immunity. 
E)  tolerance.

Question 6

When innate immunity is activated,

Accepted Answer

A)  each exposure is very specific. 
B)  previous exposures are remembered. 
C)  each exposure produces the same response. 
D)  each exposure increases the strength of the immune response. 
E)  the second exposure does not produce a response. 
A)  each exposure is very specific. 
B)  previous exposures are remembered. 
C)  each exposure produces the same response. 
D)  each exposure increases the strength of the immune response. 
E)  the second exposure does not produce a response.

Question 7

Match the type of cell with its function.
-monocyte

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 8

The MHC class I antigen complex displays a foreign antigen on the cell surface. This prompts the immune system to destroy

Accepted Answer

A)  B cell clones. 
B)  extracellular antigens. 
C)  the displaying cell. 
D)  mature red blood cells. 
E)  the virus inside the cell, but not the cell. 
A)  B cell clones. 
B)  extracellular antigens. 
C)  the displaying cell. 
D)  mature red blood cells. 
E)  the virus inside the cell, but not the cell.

Question 9

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 10

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 11

A surface chemical that prevents microbial growth is

Accepted Answer

A)  histamine. 
B)  leukotriene. 
C)  sebum. 
D)  kinin. 
E)  interferon. 
A)  histamine. 
B)  leukotriene. 
C)  sebum. 
D)  kinin. 
E)  interferon.

Question 12

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 13

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 14

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 15

Match the appropriate characteristic with the type of immunity.
-memory cells

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

Which of the following is usually the first cell type to leave the blood and enter infected tissues?

Accepted Answer

A)  eosinophil 
B)  lymphocyte 
C)  monocyte 
D)  natural killer cell 
E)  neutrophil 
A)  eosinophil 
B)  lymphocyte 
C)  monocyte 
D)  natural killer cell 
E)  neutrophil

Question 17

A woman has her right breast and right axillary lymph nodes removed. Which of the following might occur?

Accepted Answer

A)  Cisterna chyli flow increases. 
B)  The thoracic duct would be severed. 
C)  Right lymphatic duct drainage decreases causing edema in the right arm. 
D)  Lymph drainage would be affected in her left arm. 
E)  Lymph drainage would be affected in both legs. 
A)  Cisterna chyli flow increases. 
B)  The thoracic duct would be severed. 
C)  Right lymphatic duct drainage decreases causing edema in the right arm. 
D)  Lymph drainage would be affected in her left arm. 
E)  Lymph drainage would be affected in both legs.

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

-The diagram illustrates the stimulation and effects of T cells. What does "B" 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 20

-What does "C" 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

Exam 22: Lymphatic System and Immunity

Peyer patches are lymphatic nodules found in the

The only structures that filter lymph is/are the

Lysozyme is

Match the term with the appropriate description. -thymic corpuscles

An abnormal, exaggerated response of the immune system is called

When innate immunity is activated,

Match the type of cell with its function. -monocyte

The MHC class I antigen complex displays a foreign antigen on the cell surface. This prompts the immune system to destroy

Active natural immunity occurs when

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

A surface chemical that prevents microbial growth is

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

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

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

Match the appropriate characteristic with the type of immunity. -memory cells

Which of the following is usually the first cell type to leave the blood and enter infected tissues?

A woman has her right breast and right axillary lymph nodes removed. Which of the following might occur?

B-cells

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

-What does "C" represent on the diagram?

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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