Question 1

Continueexposurto allergens may result in

Accepted Answer

A)  inflammation of the lining of the respiratory tract due to production of histamine and cytokines.
B)  increased mucous secretion.
C)  constricting of the airways.
D)  sneezing.
E)  all of these.

Question 2

For questions refer to the diagram.
-Which moleculor cell is labelewith B?

Accepted Answer

A)  cytokines
B)  effector helper T cell
C)  complement protein
D)  effector B cell
E)  memory helper T cell

Question 3

Onca macrophagingests a foreign antigen, thantigen is presentein which of thfollowing manners?

Accepted Answer

A)  embedded directly in the cell membrane of the macrophage
B)  embedded in the membrane of a transport vesicle and released via exocytosis
C)  attached to a receptor protein, forming a receptor-antigen complex
D)  attached to MHC, forming a MHC-antigen complex
E)  none of these

Question 4

Innatimmunity defenses include

Accepted Answer

A)  phagocytosis.
B)  complement system.
C)  inflammation.
D)  fever.
E)  all of these.

Question 5

Why do immunizations requirtwo doses?

Accepted Answer

A)  The first dose stimulates the effector cells only, and the second dose stimulates the memory cells only.
B)  The first dose stimulates the primary immune response, and the second dose stimulates the secondary immune response.
C)  In case the first dose isn't enough to induce immunity, a second dose is given.
D)  It is a way for doctors to make more money.
E)  Both c and d are correct.

Question 6

Thprimary immunresponse

Accepted Answer

A)  is the only immune response to generate memory cells.
B)  results in more antibodies being released into the blood than in the secondary immune response.
C)  results in less antibodies being released into the blood than in the secondary immune response.
D)  occurs only in children.
E)  occurs as a result of a second exposure to an antigen.

Question 7

Oncthskin is breache(cut) , which linof defenswoulbactivated?

Accepted Answer

A)  first
B)  second
C)  third
D)  all
E)  none

Question 8

Whether an antigen is bounto an antigen-presenting cell or frein thinterstitial fluid, it must pass through what structurin order to begin activation of thadaptivimmunresponse?

Accepted Answer

A)  bone marrow
B)  lymph node
C)  liver
D)  pancreas
E)  spleen

Question 9

Whitbloocells arcentral to

Accepted Answer

A)  innate immunity.
B)  clot formation.
C)  the transport of oxygen to tissues.
D)  adaptive immunity.
E)  both innate immunity and adaptive immunity.

Question 10

Recognition proteins on thsurfacof your cells arcalled

Accepted Answer

A)  TCRs.
B)  cytokines.
C)  MHC markers.
D)  antibodies.
E)  adhesion proteins.

Question 11

Onca B cell binds to an antigen

Accepted Answer

A)  it undergoes meiosis.
B)  it undergoes mitosis.
C)  it dies.
D)  it turns into a T cell.
E)  none of these occur.

Question 12

Four of thfivchoices below arcomponents of thhuman lymphatic system.Select thEXCEPTION.

Accepted Answer

A)  spleen
B)  pancreas
C)  tonsils
D)  lymph nodes
E)  thymus

Question 13

If bacterial cells arencounterein thinterstitial fluid, which of thfollowing is thcorrect order of events?

Accepted Answer

A)  Complement proteins bind and coat the bacteria; the complement coated bacteria travel to the lymph nodes; the antibody of a naïve B cell within the lymph node binds to the bacteria; the B cell engulfs the bacteria; the B cell becomes active.
B)  Complement proteins bind and coat the bacteria; the B cell becomes active; the complement coated bacteria travel to the lymph nodes; the antibody of a naïve B cell within the lymph node binds to the bacteria; the B cell engulfs the bacteria.
C)  Complement proteins bind and coat the bacteria; the antibody of a naïve B cell within the lymph node binds to the bacteria; the complement coated bacteria travel to the lymph nodes; the B cell engulfs the bacteria; the B cell becomes active.
D)  The B cell becomes active; complement proteins bind and coat the bacteria; the complement coated bacteria travel to the lymph nodes; the antibody of a naïve B cell within the lymph node binds to the bacteria; the B cell engulfs the bacteria.
E)  None of these are correct.

Question 14

A maturmonocytis NOT

Accepted Answer

A)  an antigen-presenting phagocyte called a macrophage.
B)  able to secrete cytokines.
C)  able to enter damaged tissue.
D)  anchored in tissues.
E)  capable of circulating in the blood.

Question 15

Graves disease

Accepted Answer

A)  is an autoimmune disease caused by the overproduction of thyroid hormone.
B)  is an immunodeficiency disease caused by the overproduction of thyroid hormone.
C)  is an immunodeficiency disease that leads to Kaposi's sarcoma.
D)  is an autoimmune disease caused by infection with HIV.
E)  is the result of anaphylactic shock.

Question 16

Inflammation

Accepted Answer

A)  is triggered by activated complement.
B)  is a non-specific, local response.
C)  results in redness due to increased blood flow.
D)  results in swelling due to diffusion of water into the tissue.
E)  is true of all of these.

Question 17

ImmaturT cells acquirthability to recognizforeign invaders in the

Accepted Answer

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

Question 18

When macrophages binto an antigen they secretcytokines.Cytokines act as

Accepted Answer

A)  antibodies.
B)  phagocytes.
C)  signaling molecules.
D)  enzymes.
E)  none of these.

Question 19

Four of thfivchoices below arwhitbloocells that arcapablof circulating in thblood.Select thEXCEPTION.

Accepted Answer

A)  neutrophil
B)  mast cell
C)  macrophage
D)  eosinophil
E)  dendritic cell

Question 20

Four of thfivchoices below archaracteristics of adaptivimmunity.Select thEXCEPTION.

Accepted Answer

A)  self/non-self recognition
B)  specificity
C)  diversity
D)  fever
E)  memory

Exam 22: Immunity

Onca B cell binds to an antigen

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A maturmonocytis NOT

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Whether an antigen is bounto an antigen-presenting cell or frein thinterstitial fluid, it must pass through what structurin order to begin activation of thadaptivimmunresponse?

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For questions refer to the diagram. -Which moleculor cell is labelewith B?

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Continueexposurto allergens may result in

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Four of thfivchoices below archaracteristics of adaptivimmunity.Select thEXCEPTION.

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Four of thfivchoices below arcomponents of thhuman lymphatic system.Select thEXCEPTION.

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Whitbloocells arcentral to

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Why do immunizations requirtwo doses?

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Onca macrophagingests a foreign antigen, thantigen is presentein which of thfollowing manners?

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Innatimmunity defenses include

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Four of thfivchoices below arwhitbloocells that arcapablof circulating in thblood.Select thEXCEPTION.

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Thprimary immunresponse

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Graves disease

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Oncthskin is breache(cut) , which linof defenswoulbactivated?

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When macrophages binto an antigen they secretcytokines.Cytokines act as

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Recognition proteins on thsurfacof your cells arcalled

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Inflammation

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ImmaturT cells acquirthability to recognizforeign invaders in the

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If bacterial cells arencounterein thinterstitial fluid, which of thfollowing is thcorrect order of events?

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