Question 1

Phagocytic cells that are permanent residents of specific tissues and organs are called

Accepted Answer

A) monocytes. 
B) neutrophils. 
C) leukocytes. 
D) fixed macrophages. 
E) local macrophages. 
A) monocytes. 
B) neutrophils. 
C) leukocytes. 
D) fixed macrophages. 
E) local macrophages.

Question 2

The portions of an antigen to which antibodies bind are the

Accepted Answer

A) active sites. 
B) reactive sites. 
C) antigenic determinant sites. 
D) antibody active sites. 
E) antigen activation segments. 
A) active sites. 
B) reactive sites. 
C) antigenic determinant sites. 
D) antibody active sites. 
E) antigen activation segments.

Question 3

The cells responsible for the production of circulating immunoglobulins are ________ cells.

Accepted Answer

A) NK 
B) plasma 
C) helper T 
D) thymus 
E) liver 
A) NK 
B) plasma 
C) helper T 
D) thymus 
E) liver

Question 4

In a routine examination,some blood is taken and analyzed.The results show a high IgM titer for the mumps virus but a low IgG anti-mumps titer.This would indicate the person

Accepted Answer

A) has just recovered from mumps. 
B) was recently infected with mumps. 
C) is allergic to mumps. 
D) is immune to mumps. 
E) is relying on passive immunity. 
A) has just recovered from mumps. 
B) was recently infected with mumps. 
C) is allergic to mumps. 
D) is immune to mumps. 
E) is relying on passive immunity.

Question 5

During a primary immune response,the

Accepted Answer

A) IgM titer is initially higher than the IgG titer. 
B) IgG titer is initially higher than the IgM titer. 
C) IgM titer and the IgG titer rise in parallel. 
D) only the IgM titer is affected. 
A) IgM titer is initially higher than the IgG titer. 
B) IgG titer is initially higher than the IgM titer. 
C) IgM titer and the IgG titer rise in parallel. 
D) only the IgM titer is affected.

Question 6

The binding of an antibody to an antigen can result in all of the following except

Accepted Answer

A) neutralization of the antigen. 
B) agglutination or precipitation. 
C) complement activation and opsonization. 
D) release of perforin. 
E) All of the answers are correct. 
A) neutralization of the antigen. 
B) agglutination or precipitation. 
C) complement activation and opsonization. 
D) release of perforin. 
E) All of the answers are correct.

Question 7

You are a researcher interested in studying the cytoskeleton.How can you use antibodies to locate actin- and tubulin-containing structures?

Accepted Answer

Since those cytoskeletal components are

Question 8

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

Accepted Answer

A) Secondary 
B) Primary 
C) Memory 
D) Responder 
E) Transponder 
A) Secondary 
B) Primary 
C) Memory 
D) Responder 
E) Transponder

Question 9

Immunoglobulins,formed of five subunits,that are the first antibodies to be produced in response to infection,are

Accepted Answer

A) IgA. 
B) IgD. 
C) IgE. 
D) IgG. 
E) IgM. 
A) IgA. 
B) IgD. 
C) IgE. 
D) IgG. 
E) IgM.

Question 10

Fixed macrophages that are found in the central nervous system are called

Accepted Answer

A) astrocytes. 
B) oligodendrocytes. 
C) microglia. 
D) Kupffer cells. 
E) ventricular macrophages. 
A) astrocytes. 
B) oligodendrocytes. 
C) microglia. 
D) Kupffer cells. 
E) ventricular macrophages.

Question 11

In general,lymphocytes

Accepted Answer

A) spend most of their time in lymphatic tissue. 
B) have relatively short life spans. 
C) have two nuclei. 
D) are produced and mature only in red bone marrow. 
E) are located primarily in the blood stream. 
A) spend most of their time in lymphatic tissue. 
B) have relatively short life spans. 
C) have two nuclei. 
D) are produced and mature only in red bone marrow. 
E) are located primarily in the blood stream.

Question 12

________ are fixed macrophages found in the liver.

Accepted Answer

A) Astrocytes 
B) Oligodendrocytes 
C) Microglia 
D) Kupffer cells 
E) Ventricular macrophages 
A) Astrocytes 
B) Oligodendrocytes 
C) Microglia 
D) Kupffer cells 
E) Ventricular macrophages

Question 13

The ________ lymphatics leave the lymph node at the hilum.

Accepted Answer

A) ascending 
B) lateral 
C) afferent 
D) descending 
E) efferent 
A) ascending 
B) lateral 
C) afferent 
D) descending 
E) efferent

Question 14

________ exists when the immune system does not respond to a particular antigen.

Accepted Answer

A) Immunity 
B) Memory 
C) Adaptation 
D) Tolerance 
E) Versatility 
A) Immunity 
B) Memory 
C) Adaptation 
D) Tolerance 
E) Versatility

Question 15

Newborns gain their immunity initially from

Accepted Answer

A) early immunizations during routine neo-natal check-ups. 
B) contact with viruses and bacteria. 
C) antibodies passed across the placenta from the mother. 
D) contact with siblings. 
E) breast milk. 
A) early immunizations during routine neo-natal check-ups. 
B) contact with viruses and bacteria. 
C) antibodies passed across the placenta from the mother. 
D) contact with siblings. 
E) breast milk.

Question 16

Figure 22-1 The Structure of a Lymph Node
Use Figure 22-1 to answer the following questions:
-Identify the dominant cell type in the area labeled "4."

Accepted Answer

A) T cells 
B) B cells 
C) erythrocytes 
D) platelets 
E) All of the answers are correct. 
A) T cells 
B) B cells 
C) erythrocytes 
D) platelets 
E) All of the answers are correct.

Question 17

Lymphocytes may be found in which of the following tissues or organs?

Accepted Answer

A) tonsils 
B) spleen 
C) lymph nodes 
D) thymus 
E) All of the answers are correct. 
A) tonsils 
B) spleen 
C) lymph nodes 
D) thymus 
E) All of the answers are correct.

Question 18

________ occurs when an antigen fragment-glycoprotein complex appears in a plasma membrane.

Accepted Answer

A) Activation of cytotoxic T cells 
B) Proliferation of helper T cells 
C) Phagocytosis 
D) Antigen presentation 
E) Inflammation 
A) Activation of cytotoxic T cells 
B) Proliferation of helper T cells 
C) Phagocytosis 
D) Antigen presentation 
E) Inflammation

Question 19

Lymphocytes

Accepted Answer

A) are actively phagocytic. 
B) destroy red blood cells. 
C) respond to antigens. 
D) are primarily found in red bone marrow. 
E) decrease in number during infection. 
A) are actively phagocytic. 
B) destroy red blood cells. 
C) respond to antigens. 
D) are primarily found in red bone marrow. 
E) decrease in number during infection.

Question 20

The medullary cords of a lymph node contain ________ lymphocytes and plasma cells.

Accepted Answer

A) cytotoxic T 
B) medullary 
C) NK 
D) B 
E) cordal 
A) cytotoxic T 
B) medullary 
C) NK 
D) B 
E) cordal

Exam 22: The Lymphatic System and Immunity

Phagocytic cells that are permanent residents of specific tissues and organs are called

The portions of an antigen to which antibodies bind are the

The cells responsible for the production of circulating immunoglobulins are ________ cells.

In a routine examination,some blood is taken and analyzed.The results show a high IgM titer for the mumps virus but a low IgG anti-mumps titer.This would indicate the person

During a primary immune response,the

The binding of an antibody to an antigen can result in all of the following except

You are a researcher interested in studying the cytoskeleton.How can you use antibodies to locate actin- and tubulin-containing structures?

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

Immunoglobulins,formed of five subunits,that are the first antibodies to be produced in response to infection,are

Fixed macrophages that are found in the central nervous system are called

In general,lymphocytes

________ are fixed macrophages found in the liver.

The ________ lymphatics leave the lymph node at the hilum.

________ exists when the immune system does not respond to a particular antigen.

Newborns gain their immunity initially from

Figure 22-1 The Structure of a Lymph Node Use Figure 22-1 to answer the following questions: -Identify the dominant cell type in the area labeled "4."

Lymphocytes may be found in which of the following tissues or organs?

________ occurs when an antigen fragment-glycoprotein complex appears in a plasma membrane.

Lymphocytes

The medullary cords of a lymph node contain ________ lymphocytes and plasma cells.

An Introduction to Anatomy and Physiology

The Chemical Level of Organization

The Cellular Level of Organization

The Tissue Level of Organization

The Integumentary System

Osseous Tissue and Bone Structure

The Axial Skeleton

The Appendicular Skeleton

Joints

Muscle Tissue

The Muscular System

Neural Tissue

The Spinal Cord, spinal Nerves, and Spinal Reflexes

The Brain and Cranial Nerves

Sensory Pathways and the Somatic Nervous System

The Autonomic Nervous System and Higher-Order Functions

The Special Senses

The Endocrine System

Blood

The Heart

Blood Vessels and Circulation

The Respiratory System

The Digestive System

Metabolism and Energetics

The Urinary System

Fluid, electrolyte, and Acid-Base Balance

The Reproductive System

Development and Inheritance

Filters