Question 1

Steven had mumps as a child. Why did he not experience symptoms at the age of 41 after he was again exposed to the mumps virus?

Accepted Answer

A)  He had an injection with weakened virus shortly before he was exposed. 
B)  He had natural passive immunity to ward off the virus. 
C)  He had artificial passive immunity that he received from his brother after he had the mumps. 
D)  He developed active immunity as the result of having mumps as a child. 
A)  He had an injection with weakened virus shortly before he was exposed. 
B)  He had natural passive immunity to ward off the virus. 
C)  He had artificial passive immunity that he received from his brother after he had the mumps. 
D)  He developed active immunity as the result of having mumps as a child. D

Question 2

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

Accepted Answer

A) True 
 B)False  True

Question 3

Most antigens are large protein molecules foreign to the body.

Accepted Answer

A) True 
 B)False  True

Question 4

T cells secrete antibodies.

Accepted Answer

A) True 
 B)False

Question 5

The most abundant circulating antibody, the one that normally makes up about 75% of all the antibodies in the blood, is:

Accepted Answer

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

Question 6

An antibody consists of two heavy and one light polypeptide chains.

Accepted Answer

A) True 
 B)False

Question 7

Which antibody has two antigen-binding sites?

Accepted Answer

A)  IgM 
B)  IgA 
C)  IgG 
D)  Both A and B 
A)  IgM 
B)  IgA 
C)  IgG 
D)  Both A and B

Question 8

Match each antibody class with its description, function, or location.
-Antibody whose precise function is not yet known

Accepted Answer

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

Question 9

Both B and T lymphocytes develop from hematopoietic stem cells.

Accepted Answer

A) True 
 B)False

Question 10

The letters "CD" following a T cell stand for "cellular diversity."

Accepted Answer

A) True 
 B)False

Question 11

Steven had mumps as a child. At age 41 he was again exposed to the mumps virus; however, he did not experience any symptoms of the mumps. Explain why.

Accepted Answer

The answer of Steven had mumps as a child. At...

Question 12

Haptens are sometimes called incomplete antigens.

Accepted Answer

A) True 
 B)False

Question 13

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 14

The first vaccination provided immunity against the chickenpox virus.

Accepted Answer

A) True 
 B)False

Question 15

CD4 and CD8 T cell subsets are clinically important in diagnosing AIDS.

Accepted Answer

A) True 
 B)False

Question 16

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 17

A person has had the mumps and is protected from getting them again

Accepted Answer

A) Natural active immunity 
B) Natural passive immunity 
C) Artificial active immunity 
D) Artificial passive immunity 
A) Natural active immunity 
B) Natural passive immunity 
C) Artificial active immunity 
D) Artificial passive immunity

Question 18

Name the classes of antibodies, and give the function of each.

Accepted Answer

There are five classes of antibodies, ea

Question 19

Describe the development, activation, and functions of T cells.

Accepted Answer

T cells, also known as T lymphocytes, ar

Question 20

Examples of lymphocytes are:

Accepted Answer

A)  B cells. 
B)  T cells. 
C)  both A and B. 
D)  none of the above. 
A)  B cells. 
B)  T cells. 
C)  both A and B. 
D)  none of the above.

Exam 33: Adaptive Immunity

Steven had mumps as a child. Why did he not experience symptoms at the age of 41 after he was again exposed to the mumps virus?

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

Most antigens are large protein molecules foreign to the body.

T cells secrete antibodies.

The most abundant circulating antibody, the one that normally makes up about 75% of all the antibodies in the blood, is:

An antibody consists of two heavy and one light polypeptide chains.

Which antibody has two antigen-binding sites?

Match each antibody class with its description, function, or location. -Antibody whose precise function is not yet known

Both B and T lymphocytes develop from hematopoietic stem cells.

The letters "CD" following a T cell stand for "cellular diversity."

Steven had mumps as a child. At age 41 he was again exposed to the mumps virus; however, he did not experience any symptoms of the mumps. Explain why.

Haptens are sometimes called incomplete antigens.

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

The first vaccination provided immunity against the chickenpox virus.

CD4 and CD8 T cell subsets are clinically important in diagnosing AIDS.

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

A person has had the mumps and is protected from getting them again

Name the classes of antibodies, and give the function of each.

Describe the development, activation, and functions of T cells.

Examples of lymphocytes are:

Organization of the Body

Homeostasis

Chemical Basis 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 and Development

Genetics and Heredity

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