Question 1

_________are antibodies found in body fluids

Accepted Answer

The answer of _________are antibodies found in body fluids...

Question 2

The immune system is said to exhibit______ toward those agents that do not stimulate an immune response.

Accepted Answer

The answer of The immune system is said to exhibit______...

Question 3

Lymphatic vessels are located in almost all portions of the body, except the

Accepted Answer

A)  CNS. 
B)  periphery. 
C)  renal arteries. 
D)  throat. 
E)  groin. 
A)  CNS. 
B)  periphery. 
C)  renal arteries. 
D)  throat. 
E)  groin.

Question 4

The process by which antibodies bind to antigenic sites on viruses or toxins, rendering them incapable of binding to other cells, is called _________.

Accepted Answer

The answer of The process by which antibodies bind to...

Question 5

Each IgG has______ binding sites for attachment to antigenic determinants.

Accepted Answer

A)  1 
B)  2 
C)  4 
D)  up to 8 
E)  as many as a 1000 
A)  1 
B)  2 
C)  4 
D)  up to 8 
E)  as many as a 1000

Question 6

An)_______ is an antigen with at least two antigenic determinant sites.

Accepted Answer

The answer of An)_______ is an antigen with at least...

Question 7

The process by which soluble antigens combine with antibodies to form insoluble immune complexes is called _________.

Accepted Answer

The answer of The process by which soluble antigens combine...

Question 8

Characteristics of specific defenses include

Accepted Answer

A)  tolerance. 
B)  memory. 
C)  versatility. 
D)  specificity. 
E)  all of the above 
A)  tolerance. 
B)  memory. 
C)  versatility. 
D)  specificity. 
E)  all of the above

Question 9

In an)_______ either the immune system fails to develop normally or the immune response is blocked.

Accepted Answer

immunodefi

Question 10

Figure 20- 1 The Structure of a Lymph Node
Use Figure 20- 1 to answer the following questions:
-The body's nonspecific defenses include all of the following, except

Accepted Answer

A)  antibodies. 
B)  the skin. 
C)  complement. 
D)  inflammation. 
E)  interferon. 
A)  antibodies. 
B)  the skin. 
C)  complement. 
D)  inflammation. 
E)  interferon.

Question 11

Class II MHC proteins are present in the plasma membrane only

Accepted Answer

A)  when plasma cells are releasing antibodies. 
B)  when NK cells are activated. 
C)  during infections. 
D)  when cytotoxic T cells are inhibited. 
E)  in antigen- presenting cells and lymphocytes. 
A)  when plasma cells are releasing antibodies. 
B)  when NK cells are activated. 
C)  during infections. 
D)  when cytotoxic T cells are inhibited. 
E)  in antigen- presenting cells and lymphocytes.

Question 12

A substance that provokes an immune response is called an) __________

Accepted Answer

The answer of A substance that provokes an immune response...

Question 13

A measure of antibody level in the plasma is the___________

Accepted Answer

The answer of A measure of antibody level in the...

Question 14

When an antigen is bound to a Class II MHC protein, it can activate a________ cell.

Accepted Answer

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

Question 15

__________________is the ability to demonstrate an immune response upon exposure to an antigen.

Accepted Answer

Immunologi

Question 16

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 17

The portions of an antigen to which antibodies bind are the______

Accepted Answer

antigenic

Question 18

Figure 20- 1 The Structure of a Lymph Node
Use Figure 20- 1 to answer the following questions:
-Which of these is not a property of AIDS?

Accepted Answer

A)  attacks the T helper CD4) cells 
B)  is spread most often through sexual contact 
C)  has killed at least ½ million people in the United States 
D)  is declining worldwide 
E)  almost always eventually fatal. 
A)  attacks the T helper CD4) cells 
B)  is spread most often through sexual contact 
C)  has killed at least ½ million people in the United States 
D)  is declining worldwide 
E)  almost always eventually fatal.

Question 19

Lymphocytes that destroy foreign cells or virus- infected cells are ________cells.

Accepted Answer

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

Question 20

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

Exam 20: The Lymphoid System and Immunity

_________are antibodies found in body fluids

The immune system is said to exhibit______ toward those agents that do not stimulate an immune response.

Lymphatic vessels are located in almost all portions of the body, except the

The process by which antibodies bind to antigenic sites on viruses or toxins, rendering them incapable of binding to other cells, is called _________.

Each IgG has______ binding sites for attachment to antigenic determinants.

An)_______ is an antigen with at least two antigenic determinant sites.

The process by which soluble antigens combine with antibodies to form insoluble immune complexes is called _________.

Characteristics of specific defenses include

In an)_______ either the immune system fails to develop normally or the immune response is blocked.

Figure 20- 1 The Structure of a Lymph Node Use Figure 20- 1 to answer the following questions: -The body's nonspecific defenses include all of the following, except

Class II MHC proteins are present in the plasma membrane only

A substance that provokes an immune response is called an) __________

A measure of antibody level in the plasma is the___________

When an antigen is bound to a Class II MHC protein, it can activate a________ cell.

__________________is the ability to demonstrate an immune response upon exposure to an antigen.

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

The portions of an antigen to which antibodies bind are the______

Figure 20- 1 The Structure of a Lymph Node Use Figure 20- 1 to answer the following questions: -Which of these is not a property of AIDS?

Lymphocytes that destroy foreign cells or virus- infected cells 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

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 Skeleton

Articulations

Muscle Tissue

The Muscular System

Neural Tissue

The Spinal Cord, Spinal Nerves, and Spinal Reflexes

The Brain and Cranial Nerves

Neural Integration

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

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