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An autoimmune disease means that the body attacks itself because it does not recognize itself.

A) True
B) False

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

A) True
B) False

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Which of the following is NOT true about T cells?


A) They are responsible for cell-mediated immunity.
B) They can stimulate B cells.
C) They produce antibodies.
D) Helper T cells can secrete cytokines.
E) They require an antigen-presenting cell.

F) D) and E)
G) B) and E)

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A vaccine contains


A) penicillin.
B) horse serum.
C) antigens that are no longer virulent.
D) antibodies made by plasma cells.
E) antibiotics against a particular bacterial strain.

F) A) and C)
G) D) and E)

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C

Which of the following is NOT an autoimmune disease?


A) multiple sclerosis
B) systemic lupus
C) rheumatoid arthritis
D) inflammation
E) type I diabetes

F) C) and D)
G) All of the above

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Anaphylactic shock may occur due to


A) exposure to the AIDS virus.
B) a bee sting.
C) organ donation.
D) use of interferon.
E) antihistamines.

F) B) and D)
G) C) and D)

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Which antibody class is most responsible for the allergic reaction?


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

F) A) and E)
G) A) and B)

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Which of the following is NOT true regarding monoclonal antibodies?


A) The antibodies produced are all of the same type.
B) They are produced from plasma cells derived from different B cells.
C) They are formed when B lymphocytes are fused with malignant plasma cells.
D) They are used in the diagnosis of various diseases.
E) They are used to treat some cancers.

F) A) and B)
G) None of the above

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Edema cannot be caused by


A) increased amounts of tissue fluid.
B) not enough tissue fluid being drained away.
C) increased blood pressure.
D) increased capillary osmotic pressure.
E) poor circulation such as constricted veins during pregnancy.

F) C) and D)
G) D) and E)

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D

The spleen has a relatively thin outer capsule and can actually burst due to a blow to the abdomen.A person whose spleen has burst


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.

F) A) and B)
G) A) and E)

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Which blood cells are usually the first to arrive at the site of an infection?


A) neutrophils
B) natural killer cells
C) red blood cells
D) interferons
E) monocytes

F) B) and D)
G) A) and D)

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A

Describe the three major functions of the lymphatic system.

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1.lymphatic capillaries absorb excess ti...

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Which of the following is an example of an acquired immunodeficiency?


A) AIDS
B) SCID
C) flu
D) none of these are examples of an acquired immunodeficiencies
E) all of these are examples of an acquired immunodeficiencies

F) C) and E)
G) B) and C)

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Which portion of the antibody binds to the antigen?


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

F) C) and E)
G) D) and E)

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Which of the following is NOT considered to be a innate defense mechanism against infection?


A) stomach acids
B) skin
C) mucus in respiratory tract
D) normal bacteria in intestine
E) antibodies in mother's milk

F) None of the above
G) All of the above

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In order to prevent an allergic reaction,injections of the allergen are sometimes given.

A) True
B) False

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Which of the following statements is NOT correct about 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) The lymphatic system consists of blood vessels and lymphoid organs.

F) A) and B)
G) A) and C)

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Which of the following is an example of a mechanical barrier to infection?


A) mucous membrane
B) Oil gland secretions
C) pH of the stomach
D) bacteria that live in the intestine
E) inflammatory response

F) A) and B)
G) A) and C)

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Disease-causing agents like viruses or bacteria are considered a(an)


A) antibody.
B) vaccine.
C) thrombin.
D) allergen.
E) pathogen.

F) B) and C)
G) B) and D)

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Interleukin and interleukin antagonists may be used for all of the following except


A) as treatments for B cell deficiencies.
B) as adjuncts for vaccines.
C) as treatment for chronic infectious diseases.
D) to prevent skin and organ rejection.
E) to prevent allergies.

F) A) and B)
G) A) and C)

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