Question 1

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. C

Question 2

During B cell sensitization and activation,antigens enter the B cell through

Accepted Answer

A) diffusion. 
B) osmosis. 
C) endocytosis. 
D) protein channels. 
E) antigen channels. 
A) diffusion. 
B) osmosis. 
C) endocytosis. 
D) protein channels. 
E) antigen channels. C

Question 3

________ 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 A

Question 4

Which of the following is separated from surrounding tissues by a fibrous connective tissue capsule?

Accepted Answer

A) palatine tonsils 
B) appendix 
C) lymph nodes 
D) Peyer patches 
E) pharyngeal tonsils 
A) palatine tonsils 
B) appendix 
C) lymph nodes 
D) Peyer patches 
E) pharyngeal tonsils

Question 5

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 6

Adaptive defenses

Accepted Answer

A) involve immunological surveillance. 
B) protect against particular threats. 
C) do not distinguish between one threat and another. 
D) are not dependent on the activities of lymphocytes. 
E) are present at birth. 
A) involve immunological surveillance. 
B) protect against particular threats. 
C) do not distinguish between one threat and another. 
D) are not dependent on the activities of lymphocytes. 
E) are present at birth.

Question 7

________ function in pinocytosis,phagocytosis,antigen processing,and antigen presentation bound to Class II MHC proteins.

Accepted Answer

A) Kupffer cells 
B) NK cells 
C) Microglia 
D) Macrophages 
E) Dendritic cells 
A) Kupffer cells 
B) NK cells 
C) Microglia 
D) Macrophages 
E) Dendritic cells

Question 8

What does label H 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 9

The two collecting ducts that ultimately drain the lymphatic vessels are the

Accepted Answer

A) thoracic duct and right lymphatic duct. 
B) lumbar duct and left lymphatic duct. 
C) intestinal duct and left celiac trunk. 
D) bronchomediastinal duct and subclavian duct. 
E) thyrocervical trunk and bronchomediastinal duct. 
A) thoracic duct and right lymphatic duct. 
B) lumbar duct and left lymphatic duct. 
C) intestinal duct and left celiac trunk. 
D) bronchomediastinal duct and subclavian duct. 
E) thyrocervical trunk and bronchomediastinal duct.

Question 10

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 11

Mr.Johnson is a 60-year-old man with severe kidney disease.His kidney disease has caused hypoproteinemia due to the filtration of,and subsequent loss of,protein in the urine.He also has swollen arms and legs.Is it possible that the swollen limbs are linked to his kidney disease?

Accepted Answer

Yes.It is possible that the lymph vessel

Question 12

Willy is allergic to ragweed pollen.He has read about a medication that blocks certain antibodies.Explain how this treatment can alleviate his allergy.

Accepted Answer

Allergies occur when antigens called all

Question 13

Changes in the immune system that accompany aging include

Accepted Answer

A) T cells becoming less responsive to antigens. 
B) more cytotoxic T cells responding to infections. 
C) increased numbers of T helper cells. 
D) higher levels of antibodies after initial exposure to antigens. 
E) enlargement of the thymus and increased levels of circulating thymic hormones. 
A) T cells becoming less responsive to antigens. 
B) more cytotoxic T cells responding to infections. 
C) increased numbers of T helper cells. 
D) higher levels of antibodies after initial exposure to antigens. 
E) enlargement of the thymus and increased levels of circulating thymic hormones.

Question 14

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 15

Lymphoid nodules,such as the appendix,are composed of loose connective tissue containing densely packed

Accepted Answer

A) Peyer patches. 
B) basophils. 
C) spleens. 
D) neutrophils. 
E) lymphocytes. 
A) Peyer patches. 
B) basophils. 
C) spleens. 
D) neutrophils. 
E) lymphocytes.

Question 16

What is the function of IgG antibodies?

Accepted Answer

A) They play a role in the activation of B cells. 
B) They attack pathogens before they enter the body tissues. 
C) They are responsible for defense against many viruses,bacteria,and bacterial toxins. 
D) They accelerate inflammation upon exposure to antigens. 
E) They are responsible for cross reactions between incompatible blood types. 
A) They play a role in the activation of B cells. 
B) They attack pathogens before they enter the body tissues. 
C) They are responsible for defense against many viruses,bacteria,and bacterial toxins. 
D) They accelerate inflammation upon exposure to antigens. 
E) They are responsible for cross reactions between incompatible blood types.

Question 17

Cells that secrete cytokines,which coordinate specific and nonspecific defenses,are called

Accepted Answer

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

Question 18

The ability of certain cells to respond to chemicals in their environment is called

Accepted Answer

A) chemotaxis. 
B) complement. 
C) necrosis. 
D) phagocytosis. 
E) regeneration. 
A) chemotaxis. 
B) complement. 
C) necrosis. 
D) phagocytosis. 
E) regeneration.

Question 19

Choose the correct statement about interferons.

Accepted Answer

A) Interferons are part of the complement system. 
B) Interferons impart resistance to viral infections. 
C) Interferons secrete cytokines which trigger apoptosis. 
D) Interferons engage in agglutination and are thus similar to antibodies. 
E) Interferons interfere with antigen recognition on CD 4 cells. 
A) Interferons are part of the complement system. 
B) Interferons impart resistance to viral infections. 
C) Interferons secrete cytokines which trigger apoptosis. 
D) Interferons engage in agglutination and are thus similar to antibodies. 
E) Interferons interfere with antigen recognition on CD 4 cells.

Question 20

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.

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

During B cell sensitization and activation,antigens enter the B cell through

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

Which of the following is separated from surrounding tissues by a fibrous connective tissue capsule?

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

Adaptive defenses

________ function in pinocytosis,phagocytosis,antigen processing,and antigen presentation bound to Class II MHC proteins.

What does label H represent?

The two collecting ducts that ultimately drain the lymphatic vessels are the

The thymus gland is positioned

Mr.Johnson is a 60-year-old man with severe kidney disease.His kidney disease has caused hypoproteinemia due to the filtration of,and subsequent loss of,protein in the urine.He also has swollen arms and legs.Is it possible that the swollen limbs are linked to his kidney disease?

Willy is allergic to ragweed pollen.He has read about a medication that blocks certain antibodies.Explain how this treatment can alleviate his allergy.

Changes in the immune system that accompany aging include

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

Lymphoid nodules,such as the appendix,are composed of loose connective tissue containing densely packed

What is the function of IgG antibodies?

Cells that secrete cytokines,which coordinate specific and nonspecific defenses,are called

The ability of certain cells to respond to chemicals in their environment is called

Choose the correct statement about interferons.

Choose the most accurate characteristic of B cells.

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

Exam 14: The Lymphatic System and Immunity

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

During B cell sensitization and activation,antigens enter the B cell through

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

Which of the following is separated from surrounding tissues by a fibrous connective tissue capsule?

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

Adaptive defenses

________ function in pinocytosis,phagocytosis,antigen processing,and antigen presentation bound to Class II MHC proteins.

What does label H represent?

The two collecting ducts that ultimately drain the lymphatic vessels are the

The thymus gland is positioned

Mr.Johnson is a 60-year-old man with severe kidney disease.His kidney disease has caused hypoproteinemia due to the filtration of,and subsequent loss of,protein in the urine.He also has swollen arms and legs.Is it possible that the swollen limbs are linked to his kidney disease?

Willy is allergic to ragweed pollen.He has read about a medication that blocks certain antibodies.Explain how this treatment can alleviate his allergy.

Changes in the immune system that accompany aging include

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

Lymphoid nodules,such as the appendix,are composed of loose connective tissue containing densely packed

What is the function of IgG antibodies?

Cells that secrete cytokines,which coordinate specific and nonspecific defenses,are called

The ability of certain cells to respond to chemicals in their environment is called

Choose the correct statement about interferons.

Choose the most accurate characteristic of B cells.

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