Question 1

Which of the following is an INCORRECT statement regarding allergic asthma?

Accepted Answer

A)  An allergen-IgE response occurs in the bronchioles of the lungs. 
B)  Mast cells release substances that cause smooth muscle to contract. 
C)  Mast cells secrete compounds that cause inflammation. 
D)  It cannot be treated with steroids. 
E)  It can be treated with monoclonal antibodies to IgE. 
A)  An allergen-IgE response occurs in the bronchioles of the lungs. 
B)  Mast cells release substances that cause smooth muscle to contract. 
C)  Mast cells secrete compounds that cause inflammation. 
D)  It cannot be treated with steroids. 
E)  It can be treated with monoclonal antibodies to IgE.

Question 2

Which of the following is a function of activated complement proteins?

Accepted Answer

A)  Producing antibodies 
B)  Reducing inflammation 
C)  Coating skin with more mucus 
D)  Attracting white blood cells to infection sites 
E)  Decreasing capillary permeability to minimize edema 
A)  Producing antibodies 
B)  Reducing inflammation 
C)  Coating skin with more mucus 
D)  Attracting white blood cells to infection sites 
E)  Decreasing capillary permeability to minimize edema

Question 3

Which of the following are "professional" antigen-presenting cells, which are pertinent to the major histocompatibility complex?

Accepted Answer

A)  Macrophages, dendritic cells, and B cells 
B)  Mast cells, dendritic cells, and B cells 
C)  Macrophages, dendritic cells, and T cells 
D)  Macrophages, natural killer cells, and T cells 
E)  Mast cells, B cells, and T cells 
A)  Macrophages, dendritic cells, and B cells 
B)  Mast cells, dendritic cells, and B cells 
C)  Macrophages, dendritic cells, and T cells 
D)  Macrophages, natural killer cells, and T cells 
E)  Mast cells, B cells, and T cells

Question 4

Match between columns
                        Premises: T helper cells

Accepted Answer

The Answer of CD8 and Differentiates into plasma cell and is...

Question 5

Match between columns
                        Premises: Role in maturation of B cells

Accepted Answer

The Answer of IgM and IgD and IgA and IgE is...

Question 6

The main antigen presenting cells of the body are:

Accepted Answer

A)  macrophages and B cells only. 
B)  macrophages and dendritic cell only. 
C)  dendritic cells and B cells only. 
D)  dendritic cells and plasma cells only. 
E)  macrophages, B cells and dendritic cells. 
A)  macrophages and B cells only. 
B)  macrophages and dendritic cell only. 
C)  dendritic cells and B cells only. 
D)  dendritic cells and plasma cells only. 
E)  macrophages, B cells and dendritic cells.

Question 7

Normally, complement proteins are active until the body is exposed to antigen.

Accepted Answer

A) True 
 B)False

Question 8

Which of the following statements concerning tumor necrosis factor (TNF) is FALSE?

Accepted Answer

A)  TNF can be secreted by macrophages. 
B)  TNF may stimulate the inflammatory response. 
C)  The release of large amounts of TNF brings down a high fever. 
D)  TNF kills cancer cells. 
E)  TNF can be secreted by lymphocytes. 
A)  TNF can be secreted by macrophages. 
B)  TNF may stimulate the inflammatory response. 
C)  The release of large amounts of TNF brings down a high fever. 
D)  TNF kills cancer cells. 
E)  TNF can be secreted by lymphocytes.

Question 9

Which of the following is NOT a disease that can result from a failure in self-tolerance?

Accepted Answer

A)  Rheumatoid arthritis 
B)  Systemic lupus erythematosus 
C)  Shingles 
D)  Insulin-dependent diabetes 
E)  Multiple sclerosis 
A)  Rheumatoid arthritis 
B)  Systemic lupus erythematosus 
C)  Shingles 
D)  Insulin-dependent diabetes 
E)  Multiple sclerosis

Question 10

What class of antibodies is normally found in the mucosa of the respiratory tract?

Accepted Answer

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

Question 11

Which statement about a secondary immune response is FALSE?

Accepted Answer

A)  It is a response to an antigen. 
B)  It may occur years after a primary response. 
C)  It involves memory cells. 
D)  It has a longer latent period than a primary response. 
E)  It is stimulated by less antigen than a primary response. 
A)  It is a response to an antigen. 
B)  It may occur years after a primary response. 
C)  It involves memory cells. 
D)  It has a longer latent period than a primary response. 
E)  It is stimulated by less antigen than a primary response.

Question 12

Describe the differences in the functions of the five immunoglobulin classes.

Accepted Answer

Concepts to Consider: IgA: found in mucu

Question 13

Which of the following are the most powerful antigens?

Accepted Answer

A)  Proteins 
B)  Polysaccharides 
C)  Lipids 
D)  DNA 
E)  RNA 
A)  Proteins 
B)  Polysaccharides 
C)  Lipids 
D)  DNA 
E)  RNA

Exam 45: The Immune System: Internal Defense

Which of the following is an INCORRECT statement regarding allergic asthma?

Which of the following is a function of activated complement proteins?

Which of the following are "professional" antigen-presenting cells, which are pertinent to the major histocompatibility complex?

The main antigen presenting cells of the body are:

Normally, complement proteins are active until the body is exposed to antigen.

Which of the following statements concerning tumor necrosis factor (TNF) is FALSE?

Which of the following is NOT a disease that can result from a failure in self-tolerance?

What class of antibodies is normally found in the mucosa of the respiratory tract?

Which statement about a secondary immune response is FALSE?

Describe the differences in the functions of the five immunoglobulin classes.

Which of the following are the most powerful antigens?

A View of Life

Atoms and Molecules: the Chemical Basis of Life

The Chemistry of Life: Organic Compounds

Organization of the Cell

Biological Membranes

Cell Communication

Energy and Metabolism

How Cells Make Atp: Energy-Releasing Pathways

Photosynthesis: Capturing Light Energy

Chromosomes, Mitosis, and Meiosis

The Basic Principles of Heredity

DNA: The Carrier of Genetic Information

Gene Expression

Gene Regulation

DNA Technology and Genomics

Human Genetics and the Human Genome

Developmental Genetics

Introduction to Darwinian Evolution

Evolutionary Change in Populations

Speciation and Macroevolution

The Origin and Evolutionary History of Life

The Evolution of Primates

Understanding Diversity: Systematics

Viruses and Subviral Agents

Bacteria and Archaea

Protists

Seedless Plants

Seed Plants

The Fungi

An Introduction to Animal Diversity

Sponges, Cnidarians, Ctenophores, and Protostomes

The Deuterostomes

Plant Structure, Growth, and Development

Leaf Structure and Function

Stem Structure and Transport

Roots and Mineral Nutrition

Reproduction in Flowering Plants

Plant Developmental Responses to External and Internal Signals

Animal Structure and Function: an Introduction

Protection, Support, and Movement

Neural Signaling

Neural Regulation

Sensory Systems

Internal Transport

Gas Exchange

Processing Food and Nutrition

Osmoregulation and Disposal of Metabolic Wastes

Endocrine Regulation

Reproduction

Animal Development

Animal Behavior

Introduction to Ecology: Population Ecology

Community Ecology

Ecosystems and the Biosphere

Ecology and the Geography of Life

Biological Diversity and Conservation Biology

Filters