Question 1

The thymus gland is positioned

Accepted Answer

A)  posterior to the thyroid gland. 
B)  posterior to the sternum. 
C)  inferior to the heart. 
D)  posterior to the trachea. 
E)  in the inguinal region. 
A)  posterior to the thyroid gland. 
B)  posterior to the sternum. 
C)  inferior to the heart. 
D)  posterior to the trachea. 
E)  in the inguinal region.

Question 2

Opsonization, the process in which some pathogens are coated with antibodies and complement proteins, is representative of which antibody function?

Accepted Answer

A)  activation of complement 
B)  agglutination 
C)  neutralization 
D)  enhancement of phagocytosis 
E)  stimulation of inflammation 
A)  activation of complement 
B)  agglutination 
C)  neutralization 
D)  enhancement of phagocytosis 
E)  stimulation of inflammation

Question 3

Chronic or excessive enlargement of lymph nodes, a sign called ________, may occur in response to bacterial or viral infections, endocrine disorders, or cancer.

Accepted Answer

A)  lymphadenopathy 
B)  splenectomy 
C)  tonsillitis 
D)  lymphoma 
E)  appendicitis 
A)  lymphadenopathy 
B)  splenectomy 
C)  tonsillitis 
D)  lymphoma 
E)  appendicitis

Question 4

IgD antibodies

Accepted Answer

A)  decline in levels as IgG production accelerates. 
B)  are important in the allergic response. 
C)  are the anti-Rh antibodies produced by Rh-negative mothers. 
D)  attack bacteria insensitive to IgG. 
E)  bind antigens in the extracellular fluid to B cells. 
A)  decline in levels as IgG production accelerates. 
B)  are important in the allergic response. 
C)  are the anti-Rh antibodies produced by Rh-negative mothers. 
D)  attack bacteria insensitive to IgG. 
E)  bind antigens in the extracellular fluid to B cells.

Question 5

Which of the following illustrates how the lymphatic system integrates with the endocrine system?

Accepted Answer

A)  secretion of thymosins from the thymus gland 
B)  effects of pyrogens on the hypothalamus 
C)  secretion of histamine and heparin from mast cells 
D)  formation of pus during inflammation 
E)  presence of IgA in glandular secretions 
A)  secretion of thymosins from the thymus gland 
B)  effects of pyrogens on the hypothalamus 
C)  secretion of histamine and heparin from mast cells 
D)  formation of pus during inflammation 
E)  presence of IgA in glandular secretions

Question 6

Within lymph nodes, fixed macrophages and dendritic cells remove at least ________ percent of antigens arriving in lymph.

Accepted Answer

A)  10 
B)  25 
C)  50 
D)  80 
E)  99 
A)  10 
B)  25 
C)  50 
D)  80 
E)  99

Question 7

________ are large lymphoid nodules that are located in the walls of the pharynx.

Accepted Answer

A)  Tonsils 
B)  Peyer patches 
C)  Lymph nodes 
D)  Complements 
E)  Thymus glands 
A)  Tonsils 
B)  Peyer patches 
C)  Lymph nodes 
D)  Complements 
E)  Thymus glands

Question 8

Figure 14-1 Typical Antibody Molecule and Typical Antigen
Use Figure 14-1 to identify the labeled part.
-What does label E represent?

Accepted Answer

A)  disulfide bond 
B)  variable segment 
C)  light chain 
D)  heavy chain 
E)  constant segments of light and heavy chains 
A)  disulfide bond 
B)  variable segment 
C)  light chain 
D)  heavy chain 
E)  constant segments of light and heavy chains

Question 9

When an antigen triggers an immune response, it usually activates ________ first.

Accepted Answer

A)  mast cells 
B)  plasma cells 
C)  B cells 
D)  T cells 
E)  NK cells 
A)  mast cells 
B)  plasma cells 
C)  B cells 
D)  T cells 
E)  NK cells

Question 10

The human immunodeficiency virus (HIV) that causes the disease known as AIDS selectively infects ________, which leads to clinical problems.

Accepted Answer

A)  B cells 
B)  plasma cells 
C)  cytotoxic T cells 
D)  helper T cells 
E)  suppressor T cells 
A)  B cells 
B)  plasma cells 
C)  cytotoxic T cells 
D)  helper T cells 
E)  suppressor T cells

Question 11

IgG antibodies

Accepted Answer

A)  are found in glandular secretions. 
B)  bind antigens in the extracellular fluid to B cells. 
C)  stimulate the release of histamine and other inflammatory chemicals. 
D)  are the first antibody type secreted, following initial exposure to an antigen. 
E)  can also cross the placenta and provide passive immunity to the fetus. 
A)  are found in glandular secretions. 
B)  bind antigens in the extracellular fluid to B cells. 
C)  stimulate the release of histamine and other inflammatory chemicals. 
D)  are the first antibody type secreted, following initial exposure to an antigen. 
E)  can also cross the placenta and provide passive immunity to the fetus.

Question 12

The group of lymphoid stem cells that migrates to the thymus and divides repeatedly produces which type(s) of lymphocytes?

Accepted Answer

A)  B cells 
B)  T cells 
C)  NK cells 
D)  T cells and B cells 
E)  B cells and NK cells 
A)  B cells 
B)  T cells 
C)  NK cells 
D)  T cells and B cells 
E)  B cells and NK cells

Question 13

Choose the most accurate characteristic of B cells.

Accepted Answer

A)  They help establish and control the sensitivity of the immune response. 
B)  They stimulate the activities of T cells. 
C)  They attack foreign cells, normal cells infected with viruses, and cancer cells that appear in normal tissues. 
D)  They continually monitor peripheral tissues. 
E)  They differentiate into plasma cells that secrete antibodies. 
A)  They help establish and control the sensitivity of the immune response. 
B)  They stimulate the activities of T cells. 
C)  They attack foreign cells, normal cells infected with viruses, and cancer cells that appear in normal tissues. 
D)  They continually monitor peripheral tissues. 
E)  They differentiate into plasma cells that secrete antibodies.

Question 14

During a typical immune response, activated B cells mature into cells that produce ________, which bind(s) to and attack(s) foreign invaders.

Accepted Answer

A)  antigens 
B)  perforins 
C)  antibodies 
D)  heparin 
E)  complement proteins 
A)  antigens 
B)  perforins 
C)  antibodies 
D)  heparin 
E)  complement proteins

Question 15

Which of the following is a primary function of the lymphatic system?

Accepted Answer

A)  circulation of nutrients 
B)  circulation of hormones 
C)  production, maintenance, and distribution of lymphocytes 
D)  production, maintenance, and distribution of plasma proteins 
E)  blocking the action of histamine 
A)  circulation of nutrients 
B)  circulation of hormones 
C)  production, maintenance, and distribution of lymphocytes 
D)  production, maintenance, and distribution of plasma proteins 
E)  blocking the action of histamine

Question 16

Paula's grandfather has been diagnosed with lung cancer. His physician orders biopsies of several lymph nodes from neighboring regions of the lungs. Paula wonders why the biopsies are necessary. Explain why.

Accepted Answer

A key characteristic of cancer cells is

Question 17

Figure 14-1 Typical Antibody Molecule and Typical Antigen
Use Figure 14-1 to identify the labeled part.
-What does label K represent?

Accepted Answer

A)  complement binding site 
B)  antigen binding site 
C)  antigenic determinant sites 
D)  macrophage binding site 
E)  antibodies 
A)  complement binding site 
B)  antigen binding site 
C)  antigenic determinant sites 
D)  macrophage binding site 
E)  antibodies

Question 18

Lymph differs from plasma in that

Accepted Answer

A)  lymph contains more protein than plasma. 
B)  lymph contains white blood cells, whereas plasma does not. 
C)  plasma contains more protein than lymph. 
D)  lymph contains electrolytes and plasma does not. 
E)  There is no difference; lymph and plasma are the same. 
A)  lymph contains more protein than plasma. 
B)  lymph contains white blood cells, whereas plasma does not. 
C)  plasma contains more protein than lymph. 
D)  lymph contains electrolytes and plasma does not. 
E)  There is no difference; lymph and plasma are the same.

Question 19

Lymphatic vessels, which exit the lymph node and carry the lymph toward the venous system, are called

Accepted Answer

A)  lacteals. 
B)  afferent lymphatic vessels. 
C)  efferent lymphatic vessels. 
D)  lymphatic trunks. 
E)  lymphatic ducts. 
A)  lacteals. 
B)  afferent lymphatic vessels. 
C)  efferent lymphatic vessels. 
D)  lymphatic trunks. 
E)  lymphatic ducts.

Question 20

During inflammation, clotting does not occur at the actual site of injury due to the presence of

Accepted Answer

A)  pus. 
B)  pyrogens. 
C)  histamine. 
D)  heparin. 
E)  perforins. 
A)  pus. 
B)  pyrogens. 
C)  histamine. 
D)  heparin. 
E)  perforins.

The thymus gland is positioned

Opsonization, the process in which some pathogens are coated with antibodies and complement proteins, is representative of which antibody function?

Chronic or excessive enlargement of lymph nodes, a sign called ________, may occur in response to bacterial or viral infections, endocrine disorders, or cancer.

IgD antibodies

Which of the following illustrates how the lymphatic system integrates with the endocrine system?

Within lymph nodes, fixed macrophages and dendritic cells remove at least ________ percent of antigens arriving in lymph.

________ are large lymphoid nodules that are located in the walls of the pharynx.

Figure 14-1 Typical Antibody Molecule and Typical Antigen Use Figure 14-1 to identify the labeled part. -What does label E represent?

When an antigen triggers an immune response, it usually activates ________ first.

The human immunodeficiency virus (HIV) that causes the disease known as AIDS selectively infects ________, which leads to clinical problems.

IgG antibodies

The group of lymphoid stem cells that migrates to the thymus and divides repeatedly produces which type(s) of lymphocytes?

Choose the most accurate characteristic of B cells.

During a typical immune response, activated B cells mature into cells that produce ________, which bind(s) to and attack(s) foreign invaders.

Which of the following is a primary function of the lymphatic system?

Paula's grandfather has been diagnosed with lung cancer. His physician orders biopsies of several lymph nodes from neighboring regions of the lungs. Paula wonders why the biopsies are necessary. Explain why.

Figure 14-1 Typical Antibody Molecule and Typical Antigen Use Figure 14-1 to identify the labeled part. -What does label K represent?

Lymph differs from plasma in that

Lymphatic vessels, which exit the lymph node and carry the lymph toward the venous system, are called

During inflammation, clotting does not occur at the actual site of injury due to the presence of

An Introduction to Anatomy and Physiology

The Chemical Level of Organization

Cell Structure and Function

The Tissue Level of Organization

The Integumentary System

The Skeletal System

The Muscular System

The Nervous System

The General and Special Senses

The Endocrine System

The Cardiovascular System: Blood

The Cardiovascular System: the Heart

The Cardiovascular System: Blood Vessels and Circulation

The Respiratory System

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Metabolism and Energetics

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Exam 14: The Lymphatic System and Immunity

The thymus gland is positioned

Opsonization, the process in which some pathogens are coated with antibodies and complement proteins, is representative of which antibody function?

Chronic or excessive enlargement of lymph nodes, a sign called ________, may occur in response to bacterial or viral infections, endocrine disorders, or cancer.

IgD antibodies

Which of the following illustrates how the lymphatic system integrates with the endocrine system?

Within lymph nodes, fixed macrophages and dendritic cells remove at least ________ percent of antigens arriving in lymph.

________ are large lymphoid nodules that are located in the walls of the pharynx.

Figure 14-1 Typical Antibody Molecule and Typical Antigen Use Figure 14-1 to identify the labeled part. -What does label E represent?

When an antigen triggers an immune response, it usually activates ________ first.

The human immunodeficiency virus (HIV) that causes the disease known as AIDS selectively infects ________, which leads to clinical problems.

IgG antibodies

The group of lymphoid stem cells that migrates to the thymus and divides repeatedly produces which type(s) of lymphocytes?

Choose the most accurate characteristic of B cells.

During a typical immune response, activated B cells mature into cells that produce ________, which bind(s) to and attack(s) foreign invaders.

Which of the following is a primary function of the lymphatic system?

Paula's grandfather has been diagnosed with lung cancer. His physician orders biopsies of several lymph nodes from neighboring regions of the lungs. Paula wonders why the biopsies are necessary. Explain why.

Figure 14-1 Typical Antibody Molecule and Typical Antigen Use Figure 14-1 to identify the labeled part. -What does label K represent?

Lymph differs from plasma in that

Lymphatic vessels, which exit the lymph node and carry the lymph toward the venous system, are called

During inflammation, clotting does not occur at the actual site of injury due to the presence of

An Introduction to Anatomy and Physiology

The Chemical Level of Organization

Cell Structure and Function

The Tissue Level of Organization

The Integumentary System

The Skeletal System

The Muscular System

The Nervous System

The General and Special Senses

The Endocrine System

The Cardiovascular System: Blood

The Cardiovascular System: the Heart

The Cardiovascular System: Blood Vessels and Circulation

The Respiratory System

The Digestive System

Metabolism and Energetics

The Urinary System

The Reproductive System

Development and Inheritance

Filters