Question 1

In a(n)________,either the immune system fails to develop normally or the immune response is blocked.

Accepted Answer

A) autoimmune disease 
B) immunodeficiency disease 
C) allergic response 
D) cross-reaction 
E) agglutination reaction 
A) autoimmune disease 
B) immunodeficiency disease 
C) allergic response 
D) cross-reaction 
E) agglutination reaction

Question 2

Antigens that trigger allergic reactions are called

Accepted Answer

A) interferons. 
B) microbes. 
C) pyrogens. 
D) allergens. 
E) agglutinins. 
A) interferons. 
B) microbes. 
C) pyrogens. 
D) allergens. 
E) agglutinins.

Question 3

Which of the following is not a property of an IgG heavy chain?

Accepted Answer

A) has one constant segment 
B) has one variable segment 
C) binds one light chain 
D) binds antigen at both ends 
E) binds complement in the constant region 
A) has one constant segment 
B) has one variable segment 
C) binds one light chain 
D) binds antigen at both ends 
E) binds complement in the constant region

Question 4

Antigen-presenting cells located in the epithelia of the skin are called

Accepted Answer

A) keratinocytes. 
B) squamous macrophages. 
C) germinative cells. 
D) dendritic cells. 
E) Merkel cells. 
A) keratinocytes. 
B) squamous macrophages. 
C) germinative cells. 
D) dendritic cells. 
E) Merkel cells.

Question 5

When an antibody binds to its specific antigen a(n)________ is formed.

Accepted Answer

A) phagocytic unit 
B) agglutination system 
C) antibody-antigen complex 
D) hemolytic setting 
E) co-stimulation region 
A) phagocytic unit 
B) agglutination system 
C) antibody-antigen complex 
D) hemolytic setting 
E) co-stimulation region

Question 6

Inappropriate or excessive immune responses to antigens are

Accepted Answer

A) immunodeficiency diseases. 
B) autoimmune diseases. 
C) allergies. 
D) the result of stress. 
E) signs of a weak immune system. 
A) immunodeficiency diseases. 
B) autoimmune diseases. 
C) allergies. 
D) the result of stress. 
E) signs of a weak immune system.

Question 7

In passive immunity,the

Accepted Answer

A) immune system attacks normal body cells. 
B) body is deliberately exposed to an antigen. 
C) body receives antibodies produced by other humans. 
D) body receives antibodies produced by an animal. 
E) body receives antibodies produced by other humans or by an animal. 
A) immune system attacks normal body cells. 
B) body is deliberately exposed to an antigen. 
C) body receives antibodies produced by other humans. 
D) body receives antibodies produced by an animal. 
E) body receives antibodies produced by other humans or by an animal.

Question 8

List and briefly describe the four general properties of immunity.

Accepted Answer

(1)Specificity: The immune response is t

Question 9

T is to ________ as B is to ________.

Accepted Answer

A) top-located; bottom-located 
B) thymus-dependent; bone marrow-derived 
C) thyroid-drawn; bowel-developed 
D) non-thymus-dependent; bottom-located 
E) trabeculae-descended; bursa-origin 
A) top-located; bottom-located 
B) thymus-dependent; bone marrow-derived 
C) thyroid-drawn; bowel-developed 
D) non-thymus-dependent; bottom-located 
E) trabeculae-descended; bursa-origin

Question 10

Figure 22-1 The Structure of a Lymph Node
Use Figure 22-1 to answer the following questions:
-Identify the structure labeled "6."

Accepted Answer

A) medulla 
B) cortex 
C) capsule 
D) trabeculae 
E) cortical sinus 
A) medulla 
B) cortex 
C) capsule 
D) trabeculae 
E) cortical sinus

Question 11

The release of endogenous pyrogen (or interleukin-1)by active macrophages would

Accepted Answer

A) cause inflammation. 
B) produce a fever. 
C) activate complement. 
D) opsonize pathogens. 
E) activate antibodies. 
A) cause inflammation. 
B) produce a fever. 
C) activate complement. 
D) opsonize pathogens. 
E) activate antibodies.

Question 12

Figure 22-1 The Structure of a Lymph Node
Use Figure 22-1 to answer the following questions:
-Identify the structure labeled "3."

Accepted Answer

A) deep cortex 
B) capsule 
C) subcapsular space 
D) trabeculae 
E) outer cortex 
A) deep cortex 
B) capsule 
C) subcapsular space 
D) trabeculae 
E) outer cortex

Question 13

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

Accepted Answer

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

Question 14

Interleukins do all of the following except

Accepted Answer

A) increase T-cell sensitivity to antigens exposed on macrophage membranes. 
B) stimulate B-cell activity,plasma cell formation,and antibody production. 
C) stimulate inflammation. 
D) elevate body temperature. 
E) stimulate collagen synthesis. 
A) increase T-cell sensitivity to antigens exposed on macrophage membranes. 
B) stimulate B-cell activity,plasma cell formation,and antibody production. 
C) stimulate inflammation. 
D) elevate body temperature. 
E) stimulate collagen synthesis.

Question 15

Cytokines that make a cell and its neighbors resistant to virus infection are called

Accepted Answer

A) complement. 
B) interferons. 
C) interleukins. 
D) immunoglobulins. 
E) transferrins. 
A) complement. 
B) interferons. 
C) interleukins. 
D) immunoglobulins. 
E) transferrins.

Question 16

Lymphocytes provide an adaptive or specific defense known as the

Accepted Answer

A) phagocytic response. 
B) adaptive defense. 
C) immune response. 
D) lymphocytic response. 
E) inflammation of tissues. 
A) phagocytic response. 
B) adaptive defense. 
C) immune response. 
D) lymphocytic response. 
E) inflammation of tissues.

Question 17

Class II MHC proteins are present in the plasma membrane only

Accepted Answer

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

Question 18

The various classes of immunoglobulins are differentiated on the basis of their

Accepted Answer

A) asymmetry. 
B) antigen specificity. 
C) light-chain variable segments. 
D) heavy-chain constant segments. 
E) reactivity. 
A) asymmetry. 
B) antigen specificity. 
C) light-chain variable segments. 
D) heavy-chain constant segments. 
E) reactivity.

Question 19

Innate defenses include

Accepted Answer

A) phagocytic cells. 
B) physical barriers. 
C) inflammation. 
D) interferons. 
E) All of the answers are correct. 
A) phagocytic cells. 
B) physical barriers. 
C) inflammation. 
D) interferons. 
E) All of the answers are correct.

Question 20

When the immune response mistakenly targets normal body cells and tissues,a(n)________ develops.

Accepted Answer

A) autoimmune disease 
B) immunodeficiency disease 
C) allergic response 
D) cross-reaction 
E) agglutination reaction 
A) autoimmune disease 
B) immunodeficiency disease 
C) allergic response 
D) cross-reaction 
E) agglutination reaction

Exam 22: The Lymphatic System and Immunity

In a(n)________,either the immune system fails to develop normally or the immune response is blocked.

Antigens that trigger allergic reactions are called

Which of the following is not a property of an IgG heavy chain?

Antigen-presenting cells located in the epithelia of the skin are called

When an antibody binds to its specific antigen a(n)________ is formed.

Inappropriate or excessive immune responses to antigens are

In passive immunity,the

List and briefly describe the four general properties of immunity.

T is to ________ as B is to ________.

Figure 22-1 The Structure of a Lymph Node Use Figure 22-1 to answer the following questions: -Identify the structure labeled "6."

The release of endogenous pyrogen (or interleukin-1)by active macrophages would

Figure 22-1 The Structure of a Lymph Node Use Figure 22-1 to answer the following questions: -Identify the structure labeled "3."

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

Interleukins do all of the following except

Cytokines that make a cell and its neighbors resistant to virus infection are called

Lymphocytes provide an adaptive or specific defense known as the

Class II MHC proteins are present in the plasma membrane only

The various classes of immunoglobulins are differentiated on the basis of their

Innate defenses include

When the immune response mistakenly targets normal body cells and tissues,a(n)________ develops.

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

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