Question 1

T lymphocytes mature in the

Accepted Answer

A)   thyroid gland.
B)   bone marrow.
C)   thymus.
D)   spleen.
E)   blood.F) C) and D)
G) A) and B)

Question 2

Neutrophils and macrophages are different in that

Accepted Answer

A)   neutrophils produce antibodies, while macrophages do not.
B)   neutrophils produce histamines, while macrophages produce antibodies.
C)   neutrophils travel to the site of injury, while macrophages reside in certain tissues.
D)   neutrophils phagocytize pathogens, while macrophages produce holes in a pathogen's membrane.
E)   neutrophils are part of the inflammatory response, while macrophages are not.F) B) and C)
G) A) and E)

Question 3

Which body system plays the greatest role in fighting cancer?

Accepted Answer

A)   immune system
B)   cardiovascular system
C)   neural system
D)   digestive system
E)   integumentary systemF) B) and D)
G) A) and D)

Question 4

T lymphocytes

Accepted Answer

A)   migrate from the thymus to the bone marrow where they mature.
B)   that recognize "self-cells" leave the thymus and enter lymphatic vessels and organs.
C)   must have the antigen presented to them by an antigen-presenting cell.
D)   develop into plasma cells once activated.
E)   are a component of the body's nonspecific immune defenses.F) B) and E)
G) B) and C)

Question 5

Which statement about vaccines is correct?

Accepted Answer

A)   Vaccines will always cause the patient to become ill in order to build the immune system.
B)   Vaccines never cause the patient to become ill in order to build the immune system.
C)   Vaccines are not intended to cause the patient to become ill in order to build the immune system.
D)   Vaccines need to be administered on a continuous basis in order to be effective.
E)   It is only necessary to be vaccinated once in order to have immunity for your entire life.F) D) and E)
G) B) and C)

Question 6

T-cell receptors will bind with their specific antigens

Accepted Answer

A)   immediately upon encountering them.
B)   when presented by an antigen-presenting cell.
C)   after antibodies are produced for that antigen.
D)   either immediately upon encountering them or when presented by an APC.
E)   only in the presence of histamine.F) B) and C)
G) B) and D)

Question 7

Which of the following statements is not true regarding the complement proteins?

Accepted Answer

A)   They are blood plasma proteins.
B)   Some form the membrane attack complex, which forms a hole in the bacterial plasma membrane.
C)   They may amplify the inflammatory response by attracting phagocytes to the site of the infection.
D)   They may bind to pathogens already coated with antibodies, ensuring they are phagocytized.
E)   Many proteins must be independently activated in order to have a significant impact on the immune response.F) B) and D)
G) B) and C)

Question 8

When a disease has been fought off by the immune system, what happens to the leftover cells that were produced by the immune system to fight the disease?

Accepted Answer

A)   Apoptosis occurs.
B)   They are saved for later use.
C)   They are stored in the thymus gland.
D)   They are destroyed by bone marrow.
E)   They are killed by cytotoxic T cells.F) B) and E)
G) B) and C)

Question 9

During tissue transplant, what is the main reason for the rejection of the transplanted tissue?

Accepted Answer

A)   Cytotoxic T cells and antibodies in the body destroy the transplanted tissue.
B)   Helper T cells and antibodies in the body destroy the transplanted tissue.
C)   Cytotoxic T cells and antibodies will reroute the blood supply away from the transplanted tissue, starving it to death.
D)   The host body's antigens will not allow the transplanted tissue to attach to the host.
E)   The host body red blood cells will not carry oxygen to the transplanted tissue.F) B) and D)
G) B) and C)

Question 10

Which of the following is not an autoimmune disease?

Accepted Answer

A)   AIDS
B)   myasthenia gravis
C)   multiple sclerosis
D)   systemic lupus erythematosus
E)   rheumatoid arthritisF) A) and B)
G) A) and D)

Question 11

Natural killer cells can destroy cancer cells that have lost their "self" proteins.

Accepted Answer

A) True 
 B)False

Question 12

A person has type A blood. This means that

Accepted Answer

A)   she has A antigens on her red blood cells and can only receive type A blood in transfusions.
B)   she produces A antibodies when type A blood is used in transfusion, causing agglutination.
C)   she has A antigens on her red blood cells and will produce antibodies if red blood cells with B antigens are transfused into her body.
D)   she has B antigens on her red blood cells and can only receive type O blood.
E)   she produces A antibodies when type B blood is used in a transfusion.F) A) and E)
G) B) and E)

Question 13

If a person has a genetic defect in the metabolic pathway that produces cytokines, then

Accepted Answer

A)   macrophages will not be produced by the immune system.
B)   B cells would not be activated to respond when cells presenting antigens are present.
C)   helper T cells would take over the role of activating B cells.
D)   the spleen would destroy all red blood cells.
E)   histamine will not be produced by mast cells.F) B) and D)
G) B) and E)

Question 14

Which substances are examples of antigens?

Accepted Answer

A)   proteins and carbohydrates
B)   nucleic acids and proteins
C)   lipids and proteins
D)   lipids and carbohydrates
E)   nucleic acids and carbohydratesF) A) and E)
G) C) and E)

Question 15

When people are hypersensitive to pollen, they have _____ in response to the antigens on pollen called _____.

Accepted Answer

A)   an autoimmune disease; cytokines
B)   immunity; allergens
C)   an allergy; allergens
D)   an allergy; IgG
E)   immunity; antibodiesF) B) and E)
G) A) and C)

Question 16

Which cell type plays a role in adaptive immunity in the body?

Accepted Answer

A)   lymphocytes
B)   red blood cells
C)   platelets
D)   epithelial cells
E)   None of these cell types play a role in adaptive immunity.F) All of the above
G) A) and B)

Question 17

Which of the following is not correct in describing the spleen?

Accepted Answer

A)   It contains red pulp and white pulp.
B)   It is an essential organ for survival.
C)   It can be involved in fighting cancer.
D)   It is spongy, containing many sinuses.
E)   It is easily ruptured by a severe blow or infection.F) B) and E)
G) All of the above

Question 18

Which of the following is not an autoimmune disease?

Accepted Answer

A)   myasthenia gravis
B)   rheumatoid arthritis
C)   multiple sclerosis
D)   systemic lupus erythematosus
E)   tuberculosisF) All of the above
G) C) and E)

Question 19

This is a graph of antibodies in an immunized person's blood. At point B _____ is given that enhances the immunity to the pathogen.

Accepted Answer

A)   a booster
B)   the primary exposure to the vaccine
C)   a dose of antibodies
D)   a live pathogen
E)   histamineF) B) and C)
G) A) and B)

Question 20

_____ cells kill virus-infected cells and tumor cells by cell-to-cell contact.

Accepted Answer

A)   Natural killer
B)   Plasma
C)   Cytotoxic T
D)   Memory B
E)   Helper TF) B) and D)
G) B) and C)

Exam 26: Defenses Against Disease

T-cell receptors will bind with their specific antigens

Correct AnswerverifiedShow Answer

If a person has a genetic defect in the metabolic pathway that produces cytokines, then

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Neutrophils and macrophages are different in that

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Which statement about vaccines is correct?

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Which of the following is not correct in describing the spleen?

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T lymphocytes

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Which of the following is not an autoimmune disease?

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During tissue transplant, what is the main reason for the rejection of the transplanted tissue?

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Natural killer cells can destroy cancer cells that have lost their "self" proteins.

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When people are hypersensitive to pollen, they have _____ in response to the antigens on pollen called _____.

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Which body system plays the greatest role in fighting cancer?

Correct AnswerverifiedShow Answer

When a disease has been fought off by the immune system, what happens to the leftover cells that were produced by the immune system to fight the disease?

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Which substances are examples of antigens?

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Which of the following is not an autoimmune disease?

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Which of the following statements is not true regarding the complement proteins?

Correct AnswerverifiedShow Answer

Which cell type plays a role in adaptive immunity in the body?

Correct AnswerverifiedShow Answer

T lymphocytes mature in the

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A person has type A blood. This means that

Correct AnswerverifiedShow Answer

_____ cells kill virus-infected cells and tumor cells by cell-to-cell contact.

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This is a graph of antibodies in an immunized person's blood. At point B _____ is given that enhances the immunity to the pathogen.

Correct AnswerverifiedShow Answer

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When people are hypersensitive to pollen, they have _ in response to the antigens on pollen called _.

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