Question 1

The first indication that HIV has entered the bloodstream is (are)

Accepted Answer

A)  a rash on the arms and legs. 
B)  a drop in the white blood cell count. 
C)  flulike symptoms. 
D)  Kaposi's sarcoma. 
E)  the development of Kaposi's sarcoma. 
A)  a rash on the arms and legs. 
B)  a drop in the white blood cell count. 
C)  flulike symptoms. 
D)  Kaposi's sarcoma. 
E)  the development of Kaposi's sarcoma. C

Question 2

Fever develops when ____ stimulate the brain to release prostaglandins.
A) cytokines
B) histamines
C) interferons
D) complement
E) histamines

Accepted Answer

A

Question 3

HIV is  effectively transmitted by

Accepted Answer

A)  food. 
B)  air. 
C)  water. 
D)  casual contact. 
E)  bodily fluids. 
A)  food. 
B)  air. 
C)  water. 
D)  casual contact. 
E)  bodily fluids. E

Question 4

Complement proteins have all of the following functions EXCEPT to

Accepted Answer

A)  chemically detect the presence of pathogens. 
B)  attract phagocytes. 
C)  form membrane attack complexes. 
D)  work with cytokines to trigger inflammation. 
E)  directly cause inflammation. 
A)  chemically detect the presence of pathogens. 
B)  attract phagocytes. 
C)  form membrane attack complexes. 
D)  work with cytokines to trigger inflammation. 
E)  directly cause inflammation.

Question 5

Which chemicals trigger the repeated division of lymphocytes that produce activated B and T cells?

Accepted Answer

A)  interleukins 
B)  complement proteins 
C)  interferons 
D)  histamines 
E)  cytokines 
A)  interleukins 
B)  complement proteins 
C)  interferons 
D)  histamines 
E)  cytokines

Question 6

Gamma interferon is used to treat

Accepted Answer

A)  herpes infections. 
B)  multiple sclerosis. 
C)  measles. 
D)  mumps. 
E)  hepatitis C. 
A)  herpes infections. 
B)  multiple sclerosis. 
C)  measles. 
D)  mumps. 
E)  hepatitis C.

Question 7

It is difficult to make a vaccine against HIV because

Accepted Answer

A)  the virus mutates rapidly. 
B)  it is too expensive. 
C)  it is a retrovirus. 
D)  not enough is known about it. 
E)  it contains reverse transcriptase. 
A)  the virus mutates rapidly. 
B)  it is too expensive. 
C)  it is a retrovirus. 
D)  not enough is known about it. 
E)  it contains reverse transcriptase.

Question 8

Desensitization therapy is used to stimulate the production of ____ instead of IgE.

Accepted Answer

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

Question 9

The use of which commonly employed medication may lead to the development of a vaginal yeast infection?

Accepted Answer

A)  aspirin 
B)  pain relievers 
C)  decongestants 
D)  antibiotics 
E)  antacids 
A)  aspirin 
B)  pain relievers 
C)  decongestants 
D)  antibiotics 
E)  antacids

Question 10

Cell-mediated immune responses protect against

Accepted Answer

A)  viruses. 
B)  bacteria. 
C)  fungi. 
D)  cancer cells. 
E)  all of these 
A)  viruses. 
B)  bacteria. 
C)  fungi. 
D)  cancer cells. 
E)  all of these

Question 11

Severe combined immune deficiency (SCID) is

Accepted Answer

A)  caused by a virus. 
B)  caused by a bacterium. 
C)  inherited. 
D)  caused by a fungus. 
E)  caused by a parasite. 
A)  caused by a virus. 
B)  caused by a bacterium. 
C)  inherited. 
D)  caused by a fungus. 
E)  caused by a parasite.

Question 12

What is the name given to the chemicals which disrupt viral replication?

Accepted Answer

A)  lymphokines 
B)  monoclonal antibodies 
C)  vaccine 
D)  interferons 
E)  complement 
A)  lymphokines 
B)  monoclonal antibodies 
C)  vaccine 
D)  interferons 
E)  complement

Question 13

The infinite variety of antibodies that can be generated by B cells is due to

Accepted Answer

A)  the infinite variety of genes in these cells. 
B)  the shuffling of genes to produce an infinite variety of proteins. 
C)  the recombination of genes due to crossing over. 
D)  the infinite variety of genes in these cells and the recombination of genes due to crossing over. 
E)  the infinite variety of genes in these cells, the recombination of genes due to crossing over, and the shuffling of genes to produce an infinite variety of proteins. 
A)  the infinite variety of genes in these cells. 
B)  the shuffling of genes to produce an infinite variety of proteins. 
C)  the recombination of genes due to crossing over. 
D)  the infinite variety of genes in these cells and the recombination of genes due to crossing over. 
E)  the infinite variety of genes in these cells, the recombination of genes due to crossing over, and the shuffling of genes to produce an infinite variety of proteins.

Question 14

The human immunodeficiency virus (HIV) primarily destroys which cells?

Accepted Answer

A)  B 
B)  neutrophils 
C)  T1 
D)  helper T and macrophages 
E)  suppressor T 
A)  B 
B)  neutrophils 
C)  T1 
D)  helper T and macrophages 
E)  suppressor T

Question 15

Which antibody makes up about 80% of the antibodies in the blood?

Accepted Answer

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

Question 16

The cellular binding of IgE during an allergic reaction causes the release of which chemicals?

Accepted Answer

A)  heparin and bradykinin 
B)  prostaglandins and histamine 
C)  histamine and serotonin 
D)  prostaglandins and bradykinin 
E)  serotonin and prostaglandins 
A)  heparin and bradykinin 
B)  prostaglandins and histamine 
C)  histamine and serotonin 
D)  prostaglandins and bradykinin 
E)  serotonin and prostaglandins

Question 17

T cells multiply and become specialized in the

Accepted Answer

A)  bone marrow. 
B)  spleen. 
C)  thymus. 
D)  thyroid. 
E)  tonsils. 
A)  bone marrow. 
B)  spleen. 
C)  thymus. 
D)  thyroid. 
E)  tonsils.

Question 18

Today, most monoclonal antibodies are

Accepted Answer

A)  produced using genetically altered bacteria. 
B)  collected from mice. 
C)  collected from sheep. 
D)  collected from horses. 
E)  produced using human subjects. 
A)  produced using genetically altered bacteria. 
B)  collected from mice. 
C)  collected from sheep. 
D)  collected from horses. 
E)  produced using human subjects.

Question 19

Which antibody is involved in allergic reaction?

Accepted Answer

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

Question 20

Which chemical released by white blood cells causes arterioles to dilate?

Accepted Answer

A)  cytokines 
B)  histamine 
C)  interferons 
D)  complement 
E)  interleukins 
A)  cytokines 
B)  histamine 
C)  interferons 
D)  complement 
E)  interleukins

Exam 9: Immunity and Disease

The first indication that HIV has entered the bloodstream is (are)

Fever develops when ____ stimulate the brain to release prostaglandins. A) cytokines B) histamines C) interferons D) complement E) histamines

HIV is effectively transmitted by

Complement proteins have all of the following functions EXCEPT to

Which chemicals trigger the repeated division of lymphocytes that produce activated B and T cells?

Gamma interferon is used to treat

It is difficult to make a vaccine against HIV because

Desensitization therapy is used to stimulate the production of ____ instead of IgE.

The use of which commonly employed medication may lead to the development of a vaginal yeast infection?

Cell-mediated immune responses protect against

Severe combined immune deficiency (SCID) is

What is the name given to the chemicals which disrupt viral replication?

The infinite variety of antibodies that can be generated by B cells is due to

The human immunodeficiency virus (HIV) primarily destroys which cells?

Which antibody makes up about 80% of the antibodies in the blood?

The cellular binding of IgE during an allergic reaction causes the release of which chemicals?

T cells multiply and become specialized in the

Today, most monoclonal antibodies are

Which antibody is involved in allergic reaction?

Which chemical released by white blood cells causes arterioles to dilate?

Learning About Human Biology

Chemistry of Life

Cells and How They Work

Tissues, Organs, and Organ Systems

The Skeletal System

The Muscular System

Circulation: the Heart and Blood Vessels

Blood

The Respiratory System

Digestion and Nutrition

The Urinary System

The Nervous System

Sensory Systems

The Endocrine System

Reproductive Systems

Development and Aging

Cell Reproduction

Introduction to Genetics

Chromosomes and Human Genetics

DNA, Genes, and Biotechnology

Genes and Disease: Cancer

Principles of Evolution

Principles of Ecology

Human Impacts on the Biosphere

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