Question 1

Which nonspecific defense is secreted by mast cells?

Accepted Answer

A)  Complement proteins 
B)  The normal flora 
C)  Lysozyme 
D)  Defensins 
E)  Histamines 
A)  Complement proteins 
B)  The normal flora 
C)  Lysozyme 
D)  Defensins 
E)  Histamines

Question 2

Which cell type develops in the thymus?

Accepted Answer

A)  Natural killer cells 
B)  B cells 
C)  T cells 
D)  Basophils 
E)  Macrophages 
A)  Natural killer cells 
B)  B cells 
C)  T cells 
D)  Basophils 
E)  Macrophages

Question 3

In autoimmune diseases such as rheumatoid arthritis,damage to tissue occurs when the immune system fails to

Accepted Answer

A)  induce the production of IgE by mast cells. 
B)  distinguish self tissues from pathogens. 
C)  induce the production of lysozyme. 
D)  induce platelet aggregation. 
E)  recruit macrophages. 
A)  induce the production of IgE by mast cells. 
B)  distinguish self tissues from pathogens. 
C)  induce the production of lysozyme. 
D)  induce platelet aggregation. 
E)  recruit macrophages.

Question 4

Which cell type is not a leukocyte?

Accepted Answer

A)  Macrophage 
B)  T lymphocyte 
C)  Basophil 
D)  Mast cell 
E)  Red blood cell 
A)  Macrophage 
B)  T lymphocyte 
C)  Basophil 
D)  Mast cell 
E)  Red blood cell

Question 5

The retrovirus HIV specifically destroys TH cells and thus disrupts the _______ response(s).

Accepted Answer

A)  humoral immune 
B)  cellular immune 
C)  humoral and cellular immune 
D)  inflammatory 
E)  autoimmune 
A)  humoral immune 
B)  cellular immune 
C)  humoral and cellular immune 
D)  inflammatory 
E)  autoimmune

Question 6

Mucous membranes produce small peptides known as _______ that are toxic to numerous pathogens.

Accepted Answer

The answer of Mucous membranes produce small peptides known as...

Question 7

Which statement about HIV and AIDS is true?

Accepted Answer

A)  Opportunistic infections as a result of HIV infection are the usual cause of AIDS deaths. 
B)  HIV causes death directly. 
C)  AIDS typically arises from HIV infection after a dormancy period of one month. 
D)  The HIV viral load rises steadily from the initial infection. 
E)  TC cells are infected. 
A)  Opportunistic infections as a result of HIV infection are the usual cause of AIDS deaths. 
B)  HIV causes death directly. 
C)  AIDS typically arises from HIV infection after a dormancy period of one month. 
D)  The HIV viral load rises steadily from the initial infection. 
E)  TC cells are infected.

Question 8

The removal of immature B and T cells that respond against self antigens is called clonal

Accepted Answer

A)  recombination. 
B)  deletion. 
C)  selection. 
D)  attenuation. 
E)  inactivation. 
A)  recombination. 
B)  deletion. 
C)  selection. 
D)  attenuation. 
E)  inactivation.

Question 9

Which class of antibodies is most likely to trigger a large release of histamines and subsequent inflammation?

Accepted Answer

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

Question 10

Interactions between macrophages and lymphocytes are coordinated by

Accepted Answer

A)  MHC proteins. 
B)  T cell receptors. 
C)  mast cells. 
D)  platelets. 
E)  antibodies. 
A)  MHC proteins. 
B)  T cell receptors. 
C)  mast cells. 
D)  platelets. 
E)  antibodies.

Question 11

The T-helper cell response is modulated by all of the following except

Accepted Answer

A)  erythrocytes. 
B)  B cells. 
C)  macrophages. 
D)  dendritic cells. 
E)  antigens. 
A)  erythrocytes. 
B)  B cells. 
C)  macrophages. 
D)  dendritic cells. 
E)  antigens.

Exam 39: Immunology: Animal Defense Systems

Which nonspecific defense is secreted by mast cells?

Which cell type develops in the thymus?

In autoimmune diseases such as rheumatoid arthritis,damage to tissue occurs when the immune system fails to

Which cell type is not a leukocyte?

The retrovirus HIV specifically destroys TH cells and thus disrupts the _______ response(s).

Mucous membranes produce small peptides known as _______ that are toxic to numerous pathogens.

Which statement about HIV and AIDS is true?

The removal of immature B and T cells that respond against self antigens is called clonal

Which class of antibodies is most likely to trigger a large release of histamines and subsequent inflammation?

Interactions between macrophages and lymphocytes are coordinated by

The T-helper cell response is modulated by all of the following except

Introduction

The Chemistry and Energy of Life

Nucleic Acids, Proteins, and Enzymes

Cells: the Working Units of Life

Cell Membranes and Signaling

Pathways That Harvest and Store Chemical Energy

The Cell Cycle and Cell Division

Inheritance, Genes, and Chromosomes

DNA and Its Role in Heredity

From Dna to Protein: Gene Expression

Regulation of Gene Expression

Genomes

Biotechnology

Genes, Development, and Evolution

Processes of Evolution

Reconstructing and Using Phylogenies

Speciation

The History of Life on Earth

Bacteria, Archaea, and Viruses

The Origin and Diversification of Eukaryotes

The Evolution of Plants

The Evolution and Diversity of Fungi

Animal Origins and Diversity

The Plant Body

Plant Nutrition and Transport

Plant Growth and Development

Reproduction of Flowering Plants

Plants in the Environment

Fundamentals of Animal Function

Nutrition and Digestion

Breathing

Circulation

Muscle and Movement

Neurons, Sense Organs, and Nervous Systems

Nervous and Endocrine Control

Water and Salts: Excretion

Animal Reproduction

Animal Development

Animal Behavior

The Distribution of Earths Ecological Systems

Populations

Ecological and Evolutionary Consequences of Interactions Within and Among Species

Ecological Communities

The Global Ecosystem

Filters

The retrovirus HIV specifically destroys T_H cells and thus disrupts the _______ response(s).