Question 1

When an antigen attaches to a naïve B cell, it becomes a(n) _____ cell.

Accepted Answer

A) memory 
B) plasma 
C) effector B 
D) All of the above are correct. 
A) memory 
B) plasma 
C) effector B 
D) All of the above are correct.

Question 2

Which of the following can activate complement?

Accepted Answer

A) T cells 
B) Interferon 
C) Properdin 
D) Lymphokine 
A) T cells 
B) Interferon 
C) Properdin 
D) Lymphokine

Question 3

Match each term with its corresponding definition.
-Macromolecule that induces the immune system to produce antibodies

Accepted Answer

A) Specific immunity 
B) Antibody 
C) B cell 
D) Antigen 
E) T cell 
A) Specific immunity 
B) Antibody 
C) B cell 
D) Antigen 
E) T cell

Question 4

Specific immunity is controlled by two classes of lymphocytes called:

Accepted Answer

A) antigens and antibodies. 
B) T cells and B cells. 
C) red blood cells and white blood cells. 
D) agglutinogens and agglutinins. 
A) antigens and antibodies. 
B) T cells and B cells. 
C) red blood cells and white blood cells. 
D) agglutinogens and agglutinins.

Question 5

An immunoglobulin, or antibody molecule, consists of _____ heavy and _____ light polypeptide chains.

Accepted Answer

A) two; two 
B) four; two 
C) two; four 
D) four; four 
A) two; two 
B) four; two 
C) two; four 
D) four; four

Question 6

Which antibody has four antigen-binding sites?

Accepted Answer

A) IgM 
B) IgA 
C) IgD 
D) IgG 
A) IgM 
B) IgA 
C) IgD 
D) IgG

Question 7

The human immunodeficiency virus (HIV) damages the immune system by _____ cells.

Accepted Answer

A) invading memory 
B) invading T 
C) overproduction of B 
D) overproduction of plasma 
A) invading memory 
B) invading T 
C) overproduction of B 
D) overproduction of plasma

Question 8

The first vaccination provided immunity against the chickenpox virus.

Accepted Answer

A) True 
 B)False

Question 9

Describe the structure of an antibody molecule.

Accepted Answer

An antibody molecule, also known as an i

Question 10

Another name for antigenic determinants is epitopes.

Accepted Answer

A) True 
 B)False

Question 11

An activated B cell can give rise to both plasma cells and memory cells.

Accepted Answer

A) True 
 B)False

Question 12

The immune mechanism that provides a defense by acting against cancer is termed nonspecific immunity.

Accepted Answer

A) True 
 B)False

Question 13

An antigen consists of two heavy and two light polypeptide chains.

Accepted Answer

A) True 
 B)False

Question 14

Passive immunity generally lasts longer than active immunity.

Accepted Answer

A) True 
 B)False

Question 15

Match each antibody class with its description, function, or location.
-Antibody that is associated with allergies

Accepted Answer

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

Question 16

Interleukins are cytokinins.

Accepted Answer

A) True 
 B)False

Question 17

The chemical messengers that T cells release into inflamed tissues are called:

Accepted Answer

A) pathogens. 
B) lymphokines. 
C) lymphotoxins. 
D) suppressor cells. 
A) pathogens. 
B) lymphokines. 
C) lymphotoxins. 
D) suppressor cells.

Question 18

The antibody normally constituting the highest percentage of antibodies in the blood is:

Accepted Answer

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

Question 19

Explain the apparent basis for autoimmune diseases. Give two examples of such diseases.

Accepted Answer

Autoimmune diseases occur when the body'

Question 20

Chris has very bad allergies, especially in the springtime, and is seeking help to overcome her allergic reactions. Why would an antihistamine help Chris be more comfortable?

Accepted Answer

A) It would counter the effects of the self-antigen reaction. 
B) It would replace the allergen with a different chemical and thus reduce her symptoms. 
C) It would reduce the antigen-antibody reactions caused by the allergen. 
D) It would reduce the amount of human leukocyte antigen in her system. 
A) It would counter the effects of the self-antigen reaction. 
B) It would replace the allergen with a different chemical and thus reduce her symptoms. 
C) It would reduce the antigen-antibody reactions caused by the allergen. 
D) It would reduce the amount of human leukocyte antigen in her system.

Exam 33: Adaptive Immunity

When an antigen attaches to a naïve B cell, it becomes a(n) _____ cell.

Which of the following can activate complement?

Match each term with its corresponding definition. -Macromolecule that induces the immune system to produce antibodies

Specific immunity is controlled by two classes of lymphocytes called:

An immunoglobulin, or antibody molecule, consists of _____ heavy and _____ light polypeptide chains.

Which antibody has four antigen-binding sites?

The human immunodeficiency virus (HIV) damages the immune system by _____ cells.

The first vaccination provided immunity against the chickenpox virus.

Describe the structure of an antibody molecule.

Another name for antigenic determinants is epitopes.

An activated B cell can give rise to both plasma cells and memory cells.

The immune mechanism that provides a defense by acting against cancer is termed nonspecific immunity.

An antigen consists of two heavy and two light polypeptide chains.

Passive immunity generally lasts longer than active immunity.

Match each antibody class with its description, function, or location. -Antibody that is associated with allergies

Interleukins are cytokinins.

The chemical messengers that T cells release into inflamed tissues are called:

The antibody normally constituting the highest percentage of antibodies in the blood is:

Explain the apparent basis for autoimmune diseases. Give two examples of such diseases.

Chris has very bad allergies, especially in the springtime, and is seeking help to overcome her allergic reactions. Why would an antihistamine help Chris be more comfortable?

Organization of the Body

Homeostasis

Chemistry of Life

Biomolecules

Cell Structure

Cell Function

Cell Growth and Development

Introduction to Tissues

Tissue Types

Skin

Skeletal Tissues

Axial Skeleton

Appendicular Skeleton

Articulations

Axial Muscles

Appendicular Muscles

Muscle Contraction

Nervous System Cells

Nerve Signaling

Central Nervous System

Peripheral Nervous System

Autonomic Nervous System

General Senses

Special Senses

Endocrine Regulation

Endocrine Glands

Blood

Heart

Blood Vessels

Circulation of the Blood

Lymphatic System

Innate Immunity

Stress

Respiratory Tract

Ventilation

Gas Exchange Transport

Upper Digestive Tract

Lower Digestive Tract

Digestion and Absorption

Nutrition and Metabolism

Urinary System

Fluid and Electrolyte Balance

Acid-Base Balance

Male Reproductive System

Female Reproductive System

Growth, Development, and Aging

Genetics and Heredity

Filters

An immunoglobulin, or antibody molecule, consists of _ heavy and _ light polypeptide chains.