Question 1

Which would be more affected by a lack of memory B cells and memory T cells: the primary response or the secondary response?

Accepted Answer

A) The primary response because memory cells are produced during the initial response to an antigen. 
B) The secondary response because memory cells are produced during the initial response to an antigen. 
A) The primary response because memory cells are produced during the initial response to an antigen. 
B) The secondary response because memory cells are produced during the initial response to an antigen.

Question 2

Autoantibodies are

Accepted Answer

A) produced by activated T cells. 
B) produced during an allergic reaction. 
C) directed against the body's own antigens. 
D) the first step in immunological competence. 
E) important in tissue rejection reactions. 
A) produced by activated T cells. 
B) produced during an allergic reaction. 
C) directed against the body's own antigens. 
D) the first step in immunological competence. 
E) important in tissue rejection reactions.

Question 3

Which of the following is not a method in which antibodies work with features of innate immunity to destroy a pathogen?

Accepted Answer

A) neutralization 
B) agglutination 
C) initiate allergic reaction 
D) complement activation 
E) phagocyte attraction 
A) neutralization 
B) agglutination 
C) initiate allergic reaction 
D) complement activation 
E) phagocyte attraction

Question 4

Histamine increases blood flow and vascular permeability.This would account for all of the following changes that occur during inflammation except

Accepted Answer

A) redness of the inflamed tissue. 
B) chemotaxis of phagocytes. 
C) heat of the inflamed tissue. 
D) movement of defense proteins and cells into the interstitial space. 
E) swelling of the inflamed tissue. 
A) redness of the inflamed tissue. 
B) chemotaxis of phagocytes. 
C) heat of the inflamed tissue. 
D) movement of defense proteins and cells into the interstitial space. 
E) swelling of the inflamed tissue.

Question 5

What is MALT? What role does it play in the body's defenses?

Accepted Answer

MALT is an acronym for mucosa-associated

Question 6

________ cells enable the immune system to respond quickly and robustly if the same antigen is encountered a second time.

Accepted Answer

A) IgM 
B) Suppressor 
C) Dendritic 
D) Memory 
E) Plasma 
A) IgM 
B) Suppressor 
C) Dendritic 
D) Memory 
E) Plasma

Question 7

Define chemotaxis.

Accepted Answer

A) Chemotaxis is the process of a phagocyte leaving a capillary by squeezing between adjacent endothelial cells. 
B) Chemotaxis is the attachment of the phagocyte to its target. 
C) Chemotaxis is the phagocyte movement in response to chemical stimuli. 
D) Chemotaxis is the destruction of the target by the phagocyte. 
E) Chemotaxis is the release of digestive chemicals by the phagocyte when the target is too large to be engulfed. 
A) Chemotaxis is the process of a phagocyte leaving a capillary by squeezing between adjacent endothelial cells. 
B) Chemotaxis is the attachment of the phagocyte to its target. 
C) Chemotaxis is the phagocyte movement in response to chemical stimuli. 
D) Chemotaxis is the destruction of the target by the phagocyte. 
E) Chemotaxis is the release of digestive chemicals by the phagocyte when the target is too large to be engulfed.

Question 8

The role of antigen-presenting cells in immunity is to do all of the following except

Accepted Answer

A) activate T cells. 
B) display antigen fragments. 
C) process antigens. 
D) phagocytosis. 
E) activate B cells. 
A) activate T cells. 
B) display antigen fragments. 
C) process antigens. 
D) phagocytosis. 
E) activate B cells.

Question 9

All of the following are true of lymphocytes except that

Accepted Answer

A) they spend most of their time in lymphoid tissue. 
B) they have relatively long life spans. 
C) they have one nucleus. 
D) they are granulocytes. 
E) some produce antibodies. 
A) they spend most of their time in lymphoid tissue. 
B) they have relatively long life spans. 
C) they have one nucleus. 
D) they are granulocytes. 
E) some produce antibodies.

Question 10

Lymph draining from your right shoulder flows into

Accepted Answer

A) the right lymphatic duct. 
B) the thoracic duct. 
A) the right lymphatic duct. 
B) the thoracic duct.

Question 11

Most of the lymph returns to the venous circulation by way of the

Accepted Answer

A) right lymphatic duct. 
B) thoracic duct. 
C) cisterna chyli. 
D) hepatic portal vein. 
E) dural sinus. 
A) right lymphatic duct. 
B) thoracic duct. 
C) cisterna chyli. 
D) hepatic portal vein. 
E) dural sinus.

Question 12

Trace the path of lymph through a lymph node,beginning at the afferent lymphatics.

Accepted Answer

A) afferent lymphatics - subcapsular space - cortex - paracortex - medullary sinus - efferent lymphatics 
B) afferent lymphatics - cortex - paracortex - subcapsular space - medullary sinus - efferent lymphatics 
C) afferent lymphatics - medullary sinus - subcapsular space - paracortex - cortex - efferent lymphatics 
D) afferent lymphatics - paracortex - medullary sinus - cortex - subcapsular space - efferent lymphatics 
E) afferent lymphatics - subcapsular space - medullary sinus - cortex - paracortex - efferent lymphatics 
A) afferent lymphatics - subcapsular space - cortex - paracortex - medullary sinus - efferent lymphatics 
B) afferent lymphatics - cortex - paracortex - subcapsular space - medullary sinus - efferent lymphatics 
C) afferent lymphatics - medullary sinus - subcapsular space - paracortex - cortex - efferent lymphatics 
D) afferent lymphatics - paracortex - medullary sinus - cortex - subcapsular space - efferent lymphatics 
E) afferent lymphatics - subcapsular space - medullary sinus - cortex - paracortex - efferent lymphatics

Question 13

All of the following are true of the thymus gland except that it

Accepted Answer

A) activates B cells. 
B) reaches its greatest relative size before puberty. 
C) involutes after puberty. 
D) produces T cells. 
E) lies in the anterior mediastinum. 
A) activates B cells. 
B) reaches its greatest relative size before puberty. 
C) involutes after puberty. 
D) produces T cells. 
E) lies in the anterior mediastinum.

Question 14

Immunity that is genetically determined and present at birth is called ________ immunity.

Accepted Answer

A) active 
B) maternal 
C) passive 
D) auto 
E) innate 
A) active 
B) maternal 
C) passive 
D) auto 
E) innate

Question 15

The cells responsible for antibody-mediated immunity are the ________ cells.

Accepted Answer

A) NK 
B) B 
C) helper T 
D) cytotoxic T 
E) suppressor T 
A) NK 
B) B 
C) helper T 
D) cytotoxic T 
E) suppressor T

Question 16

Lymphocyte production does not occur in

Accepted Answer

A) bone marrow. 
B) thymus tissue. 
C) peripheral lymphoid tissues. 
D) the liver. 
E) the spleen. 
A) bone marrow. 
B) thymus tissue. 
C) peripheral lymphoid tissues. 
D) the liver. 
E) the spleen.

Question 17

If NK cells are engaged in immune surveillance,how do cancer cells spread?

Accepted Answer

Cancer cells can mutate such that either

Question 18

Cells that help regulate the antibody-mediated immune response are ________ cells.

Accepted Answer

A) B 
B) plasma 
C) helper T 
D) cytotoxic T 
E) NK 
A) B 
B) plasma 
C) helper T 
D) cytotoxic T 
E) NK

Question 19

Interferons are released by some macrophages and lymphocytes,but also by cells carrying what pathogen?

Accepted Answer

A) parasites 
B) viruses 
C) bacteria 
D) prions 
E) spirochetes 
A) parasites 
B) viruses 
C) bacteria 
D) prions 
E) spirochetes

Question 20

How do NK cells detect cancer cells?

Accepted Answer

A) NK cells recognize cancer cells by the abnormally large size cancerous cells become. 
B) NK cells recognize cancer cells by the abnormally small size cancerous cells become. 
C) NK cells recognize cancer cells by the antibodies the cancer cells secrete. 
D) NK cells recognize cancer cells by the cytokines the cancer cells secrete. 
E) NK cells recognize cancer cells by the tumor-specific antigens on the plasma membranes of cancer cells. 
A) NK cells recognize cancer cells by the abnormally large size cancerous cells become. 
B) NK cells recognize cancer cells by the abnormally small size cancerous cells become. 
C) NK cells recognize cancer cells by the antibodies the cancer cells secrete. 
D) NK cells recognize cancer cells by the cytokines the cancer cells secrete. 
E) NK cells recognize cancer cells by the tumor-specific antigens on the plasma membranes of cancer cells.

Exam 20: The Lymphatic System and Immunity

Which would be more affected by a lack of memory B cells and memory T cells: the primary response or the secondary response?

Autoantibodies are

Which of the following is not a method in which antibodies work with features of innate immunity to destroy a pathogen?

Histamine increases blood flow and vascular permeability.This would account for all of the following changes that occur during inflammation except

What is MALT? What role does it play in the body's defenses?

________ cells enable the immune system to respond quickly and robustly if the same antigen is encountered a second time.

Define chemotaxis.

The role of antigen-presenting cells in immunity is to do all of the following except

All of the following are true of lymphocytes except that

Lymph draining from your right shoulder flows into

Most of the lymph returns to the venous circulation by way of the

Trace the path of lymph through a lymph node,beginning at the afferent lymphatics.

All of the following are true of the thymus gland except that it

Immunity that is genetically determined and present at birth is called ________ immunity.

The cells responsible for antibody-mediated immunity are the ________ cells.

Lymphocyte production does not occur in

If NK cells are engaged in immune surveillance,how do cancer cells spread?

Cells that help regulate the antibody-mediated immune response are ________ cells.

Interferons are released by some macrophages and lymphocytes,but also by cells carrying what pathogen?

How do NK cells detect cancer cells?

An Introduction to Anatomy and Physiology

Chemical Level of Organization

Cellular Level of Organization

Tissue Level of Organization

The Integumentary System

Bones and Bone Structure

The Skeleton

Joints

Skeletal Muscle Tissue

The Muscular System

Nervous Tissue

The Spinal Cord, spinal Nerves, and Spinal Reflexes

The Brain, cranial Nerves, and Sensory and Motor Pathways

The Autonomic Nervous System

The Special Senses

The Endocrine System

Blood

The Heart and Cardiovascular Function

Blood Vessels and Circulation

The Respiratory System

The Digestive System

Metabolism, nutrition, and Energetics

The Urinary System

Fluid,electrolyte,and Acid-Base Balance

The Reproductive System

Development and Inheritance

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