Question 1

Which of the following are examples of humoral immunity?

Accepted Answer

A)  A cytotoxic T cell destroying a virus-infected cell
B)  A neutrophil killing a bacteria by direct cell to cell contact, and a cytotoxic T cell destroying a virus-infected cell.
C)  A cytotoxic T cell destroying a virus-infected cell.,
D)  Antibodies produced that destroy an invading pathogen, and cytotoxic T cell destroying a virus-infected cell,,
E)  Antibodies produced that destroy an invading pathogenF) A) and B)
G) D) and E)

Question 2

Stem cells that give rise to white blood cells are located primarily in the thymus.

Accepted Answer

A) True 
 B)False

Question 3

The presence of antibodies against HIV can be used to diagnose an infection that has occurred at least 3 months earlier.Why couldn't the presence of antibodies against HIV be used to diagnose a more recent infection?

Accepted Answer

A)  The virus mutates rapidly changing its outer coat
B)  The virus reproduces very rapidly
C)  The virus is transmitted sexually
D)  The virus is not technically alive
E)  It takes 2-3 months to raise antibodies against the virusF) A) and C)
G) C) and D)

Question 4

The innate chemical substance produced by basophils that causes blood vessels to dilate is:

Accepted Answer

A)  Interleukin
B)  Complement
C)  Interferon
D)  Epinephrine
E)  HistamineF) A) and B)
G) A) and C)

Question 5

Adaptive immune defenses provide a rapid,broad defense against any infectious agent.

Accepted Answer

A) True 
 B)False

Question 6

A cell that does not circulate in blood,but instead settles in tissues near the skin and in the digestive tract,producing and releasing histamine when tissue is damaged is a(n) :

Accepted Answer

A)  Basophil
B)  Mast cell
C)  Osteocyte
D)  Macrophage
E)  T cellF) A) and C)
G) D) and E)

Question 7

Which of the following is not considered to be a major part of the immune system?

Accepted Answer

A)  Thymus
B)  Bone marrow
C)  Spleen
D)  Pancreas
E)  Lymph nodeF) All of the above
G) C) and E)

Question 8

How did the authors test if flatworms could moderate the immune system?

Accepted Answer

A)  By exposing white blood cells to flatworm antigens and measuring IL-10 concentrations
B)  By exposing white blood cells to dust mite antigens and measuring IL-10 concentrations
C)  By exposing white blood cells to flatworm antigens and measuring histamine concentrations
D)  By exposing white blood cells to dust mite antigens and measuring histamine concentrations
E)  By infecting children with flatworms and looking at their number of white blood cellsF) B) and C)
G) B) and D)

Question 9

The innate chemical substance that alerts other cells and components of the immune system to a viral infection is:

Accepted Answer

A)  Histamine
B)  Interleukin
C)  Complement
D)  Interferon
E)  EpinephrineF) A) and D)
G) C) and D)

Question 10

Why would AIDS patients infected with HIV be at risk for opportunistic infections and rare cancers?

Accepted Answer

A)  People who contract HIV engage in risky behavior that causes them to get other infections and cancer.
B)  Their immune systems are suppressed.
C)  HIV triggers an autoimmune response.
D)  AIDS is not caused by HIV, so HIV could be causing the other infections.
E)  An AIDS patient's immune system is very strong since it is fighting the HIV infection.F) B) and D)
G) All of the above

Question 11

In many autoimmune diseases such as lupus and rheumatoid arthritis,antibody complexes form in the blood.Kidney failure is a common consequence of these diseases for which reason?

Accepted Answer

A)  Antibodies attack the kidney
B)  The antibody complexes become trapped in the lymph
C)  The antibody complexes become trapped in the kidney
D)  The kidney is a part of the lymphatic system and becomes full of lymphocytes
E)  The kidney is part of the immune system and becomes full of leukocytesF) C) and D)
G) A) and D)

Exam 33: The Immune System

In many autoimmune diseases such as lupus and rheumatoid arthritis,antibody complexes form in the blood.Kidney failure is a common consequence of these diseases for which reason?

Correct Answer
verified

Which of the following are examples of humoral immunity?

Correct Answer
verified

The presence of antibodies against HIV can be used to diagnose an infection that has occurred at least 3 months earlier.Why couldn't the presence of antibodies against HIV be used to diagnose a more recent infection?

Correct Answer
verified

A cell that does not circulate in blood,but instead settles in tissues near the skin and in the digestive tract,producing and releasing histamine when tissue is damaged is a(n) :

Correct Answer
verified

Adaptive immune defenses provide a rapid,broad defense against any infectious agent.

Correct Answer
verified

Stem cells that give rise to white blood cells are located primarily in the thymus.

Correct Answer
verified

Which of the following is not considered to be a major part of the immune system?

Correct Answer
verified

Why would AIDS patients infected with HIV be at risk for opportunistic infections and rare cancers?

Correct Answer
verified

How did the authors test if flatworms could moderate the immune system?

Correct Answer
verified

The innate chemical substance that alerts other cells and components of the immune system to a viral infection is:

Correct Answer
verified

The innate chemical substance produced by basophils that causes blood vessels to dilate is:

Correct Answer
verified

Exam 33: The Immune System

In many autoimmune diseases such as lupus and rheumatoid arthritis,antibody complexes form in the blood.Kidney failure is a common consequence of these diseases for which reason?

Correct AnswerverifiedShow Answer

Which of the following are examples of humoral immunity?

Correct AnswerverifiedShow Answer

The presence of antibodies against HIV can be used to diagnose an infection that has occurred at least 3 months earlier.Why couldn't the presence of antibodies against HIV be used to diagnose a more recent infection?

Correct AnswerverifiedShow Answer

A cell that does not circulate in blood,but instead settles in tissues near the skin and in the digestive tract,producing and releasing histamine when tissue is damaged is a(n) :

Correct AnswerverifiedShow Answer

Adaptive immune defenses provide a rapid,broad defense against any infectious agent.

Correct AnswerverifiedShow Answer

Stem cells that give rise to white blood cells are located primarily in the thymus.

Correct AnswerverifiedShow Answer

Which of the following is not considered to be a major part of the immune system?

Correct AnswerverifiedShow Answer

Why would AIDS patients infected with HIV be at risk for opportunistic infections and rare cancers?

Correct AnswerverifiedShow Answer

How did the authors test if flatworms could moderate the immune system?

Correct AnswerverifiedShow Answer

The innate chemical substance that alerts other cells and components of the immune system to a viral infection is:

Correct AnswerverifiedShow Answer

The innate chemical substance produced by basophils that causes blood vessels to dilate is:

Correct AnswerverifiedShow Answer

Correct Answer
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