Question 1

Which portion of the antibody binds to the antigen?

Accepted Answer

A)  variable region 
B)  constant region 
C)  heavy chain 
D)  light chain 
A)  variable region 
B)  constant region 
C)  heavy chain 
D)  light chain A

Question 2

In the movie Bubble Boy, Jimmy lives inside a plastic bubble where he is protected from all outside agents. Which type of disease would require a child to live inside a plastic bubble?

Accepted Answer

A)  an autoimmune disease 
B)  systemic lupus erythematosus 
C)  multiple sclerosis 
D)  AIDS 
E)  SCID 
A)  an autoimmune disease 
B)  systemic lupus erythematosus 
C)  multiple sclerosis 
D)  AIDS 
E)  SCID E

Question 3

An antibody molecule

Accepted Answer

A)  will either consist of a constant region or a variable region. 
B)  forms an X-shaped protein molecule. 
C)  contains an antigen-binding site on each arm. 
D)  contains four light chains and two heavy chains. 
E)  contains constant regions that bind to the antigen. 
A)  will either consist of a constant region or a variable region. 
B)  forms an X-shaped protein molecule. 
C)  contains an antigen-binding site on each arm. 
D)  contains four light chains and two heavy chains. 
E)  contains constant regions that bind to the antigen. C

Question 4

When a person is bitten by a venomous snake, receiving blood plasma from another person who recently survived the same type of snake bite would provide passive immunity.

Accepted Answer

A) True 
 B)False

Question 5

Describe the three major functions of the lymphatic system.

Accepted Answer

1. Lymphatic capillaries absorb excess t

Question 6

Elephantiasis is a tropical disease where small nematode larvae block the lymphatic ducts. As a result, the legs become large like those of an elephant and the scrotum and arms may also swell. This problem would be a severe form of

Accepted Answer

A)  hemorrhoids. 
B)  phlebitis. 
C)  anemia. 
D)  angina. 
E)  edema. 
A)  hemorrhoids. 
B)  phlebitis. 
C)  anemia. 
D)  angina. 
E)  edema.

Question 7

The primary target of the HIV virus is

Accepted Answer

A)  helper T cells. 
B)  suppressor T cells. 
C)  cytotoxic T cells. 
D)  memory T cells. 
E)  B cells. 
A)  helper T cells. 
B)  suppressor T cells. 
C)  cytotoxic T cells. 
D)  memory T cells. 
E)  B cells.

Question 8

Which of the following lymphoid organs is largest during a person's childhood but shrinks in adulthood?

Accepted Answer

A)  tonsils 
B)  lymph nodes 
C)  spleen 
D)  bone marrow 
E)  thymus 
A)  tonsils 
B)  lymph nodes 
C)  spleen 
D)  bone marrow 
E)  thymus

Question 9

Which of the following is true about the clonal selection theory?

Accepted Answer

A)  An antigen selects certain B cells to produce a clone of plasma cells. 
B)  An antibody stimulates the multiplication of B cell antigens against it. 
C)  T cells select those B cells that should produce antibodies, regardless of antigens. 
D)  T cells suppress all the B cells except the ones that should multiply and divide. 
E)  One B cell will give rise to plasma cells that produce antibodies against several antigens. 
A)  An antigen selects certain B cells to produce a clone of plasma cells. 
B)  An antibody stimulates the multiplication of B cell antigens against it. 
C)  T cells select those B cells that should produce antibodies, regardless of antigens. 
D)  T cells suppress all the B cells except the ones that should multiply and divide. 
E)  One B cell will give rise to plasma cells that produce antibodies against several antigens.

Question 10

Most antibodies found in the blood belong to what class of immunoglobulins?

Accepted Answer

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

Question 11

A person who is blood type AB has

Accepted Answer

A)  only antigen A on the surface of RBCs. 
B)  only antigen B on the surface of RBCs. 
C)  antigens A and B on the surface of RBCs. 
D)  antibodies A and B on the surface of RBCs. 
E)  only antibody A on the surface of RBCs. 
A)  only antigen A on the surface of RBCs. 
B)  only antigen B on the surface of RBCs. 
C)  antigens A and B on the surface of RBCs. 
D)  antibodies A and B on the surface of RBCs. 
E)  only antibody A on the surface of RBCs.

Question 12

Lymph is

Accepted Answer

A)  excreted by the kidneys. 
B)  returned to the circulatory system via arteries. 
C)  returned to the circulatory system via the subclavian veins. 
D)  absorbed by tissues. 
E)  excreted as sweat. 
A)  excreted by the kidneys. 
B)  returned to the circulatory system via arteries. 
C)  returned to the circulatory system via the subclavian veins. 
D)  absorbed by tissues. 
E)  excreted as sweat.

Question 13

A person without a spleen

Accepted Answer

A)  cannot survive. 
B)  cannot synthesize red blood cells. 
C)  cannot synthesize white blood cells. 
D)  may need antibiotic therapy. 
E)  may need blood transfusions to prevent anemia. 
A)  cannot survive. 
B)  cannot synthesize red blood cells. 
C)  cannot synthesize white blood cells. 
D)  may need antibiotic therapy. 
E)  may need blood transfusions to prevent anemia.

Question 14

Cytokines may be used in the treatment of cancer and AIDS because they stimulate white blood cell formation and/or function.

Accepted Answer

A) True 
 B)False

Question 15

Which of the following statement(s) is/are correct about the lymphatic system?

Accepted Answer

A)  The lymphatic system protects the body from disease. 
B)  The lymphatic system returns excess tissue fluid to the bloodstream. 
C)  The fluid inside lymphatic vessels is called lymph. 
D)  The lymphatic system absorbs fats at the villi and transports them to the bloodstream. 
E)  All of the answer choices correctly describe the lymphatic system. 
A)  The lymphatic system protects the body from disease. 
B)  The lymphatic system returns excess tissue fluid to the bloodstream. 
C)  The fluid inside lymphatic vessels is called lymph. 
D)  The lymphatic system absorbs fats at the villi and transports them to the bloodstream. 
E)  All of the answer choices correctly describe the lymphatic system.

Question 16

The thoracic duct will drain the abdomen.

Accepted Answer

A) True 
 B)False

Question 17

Which of the following health problems are likely to occur if a person is unable to form the IgE antibodies?

Accepted Answer

A)  The person would have problems defending themselves against parasitic worm infections as well as lacking an immediate allergic response. 
B)  The person would be unable to activate the complement. 
C)  Pathogens would be able to attach to their epithelial cells much easier. 
D)  They would be unable to have their cells clump. 
E)  Their B cells would be unable to respond to antigens. 
A)  The person would have problems defending themselves against parasitic worm infections as well as lacking an immediate allergic response. 
B)  The person would be unable to activate the complement. 
C)  Pathogens would be able to attach to their epithelial cells much easier. 
D)  They would be unable to have their cells clump. 
E)  Their B cells would be unable to respond to antigens.

Question 18

List the function of the following antibodies: IgG, IgM, IgA, IgD, and IgE.

Accepted Answer

IgG: binds to pathogens, activates compl

Question 19

The clonal selection theory states that

Accepted Answer

A)  all B cells are exact clones of one another. 
B)  all T cells are exact clones of one another. 
C)  when a B or T cell is activated by binding to/recognizing an antigen, then that cell will be cloned into cells that recognize the same antigen. 
D)  when a B or T cell is stimulated by encountering the correct antibody, it divides to form a clone of cells that will respond to the same antibody. 
E)  T cells are stimulated by B cells to divide and form plasma cells, which secrete antibodies. 
A)  all B cells are exact clones of one another. 
B)  all T cells are exact clones of one another. 
C)  when a B or T cell is activated by binding to/recognizing an antigen, then that cell will be cloned into cells that recognize the same antigen. 
D)  when a B or T cell is stimulated by encountering the correct antibody, it divides to form a clone of cells that will respond to the same antibody. 
E)  T cells are stimulated by B cells to divide and form plasma cells, which secrete antibodies.

Question 20

What is the major drawback to cytokine therapies?

Accepted Answer

A)  Side effects can be life-threatening. 
B)  The therapies are still untested. 
C)  The treatments are very expensive. 
D)  The therapies only work for women. 
E)  The therapies only work for men. 
A)  Side effects can be life-threatening. 
B)  The therapies are still untested. 
C)  The treatments are very expensive. 
D)  The therapies only work for women. 
E)  The therapies only work for men.

Exam 13: Lymphatic and Immune Systems

Which portion of the antibody binds to the antigen?

In the movie Bubble Boy, Jimmy lives inside a plastic bubble where he is protected from all outside agents. Which type of disease would require a child to live inside a plastic bubble?

An antibody molecule

When a person is bitten by a venomous snake, receiving blood plasma from another person who recently survived the same type of snake bite would provide passive immunity.

Describe the three major functions of the lymphatic system.

Elephantiasis is a tropical disease where small nematode larvae block the lymphatic ducts. As a result, the legs become large like those of an elephant and the scrotum and arms may also swell. This problem would be a severe form of

The primary target of the HIV virus is

Which of the following lymphoid organs is largest during a person's childhood but shrinks in adulthood?

Which of the following is true about the clonal selection theory?

Most antibodies found in the blood belong to what class of immunoglobulins?

A person who is blood type AB has

Lymph is

A person without a spleen

Cytokines may be used in the treatment of cancer and AIDS because they stimulate white blood cell formation and/or function.

Which of the following statement(s) is/are correct about the lymphatic system?

The thoracic duct will drain the abdomen.

Which of the following health problems are likely to occur if a person is unable to form the IgE antibodies?

List the function of the following antibodies: IgG, IgM, IgA, IgD, and IgE.

The clonal selection theory states that

What is the major drawback to cytokine therapies?

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