Question 1

Match the appropriate characteristic with the type of immunity.
-provide protection against extracellular antigens

Accepted Answer

A)  innate immunity
B)  antibody-mediated immunity
C)  cell-mediated immunity
D)  both antibody and cell-mediated immunity
E)  innate immunity,antibody-mediated immunity and cell-mediated immunityF) B) and E)
G) A) and C)

Question 2

Match the term with the appropriate description.
-thymic corpuscles

Accepted Answer

A)  lipids that cause smooth muscle relaxation and vasodilation
B)  lymph nodules aggregated in the small intestinal wall
C)  rounded epithelial structures found in the medulla of thymus
D)  areas of a lymph node where lymphocytes divide
E)  a chemical released from mast cells that causes vasodilationF) A) and E)
G) B) and E)

Question 3

As a result of opsonization,

Accepted Answer

A)  holes are produced in target cell membranes.
B)  organ transplant rejection occurs.
C)  antigens are more susceptible to phagocytosis.
D)  antigens clump together.
E)  inflammation,chemotaxis,and lysis occur.F) None of the above
G) A) and D)

Question 4

The spleen

Accepted Answer

A)  filters damaged red blood cells from the blood.
B)  changes undifferentiated lymphocytes into competent lymphocytes.
C)  is necessary for life.It can't be removed without causing death.
D)  produces several different hormones with unknown function.
E)  has additional digestive functions.F) None of the above
G) A) and B)

Question 5

Active natural immunity occurs when

Accepted Answer

A)  antibodies pass from a pregnant mother to her fetus.
B)  antibodies are injected into a host.
C)  an individual develops a disease.
D)  a person is vaccinated.
E)  antibodies are passed in breast milk.F) None of the above
G) A) and B)

Question 6

Which of the following is false?

Accepted Answer

A)  The HIV virus binds to the CD4 molecule of host cells.
B)  There is currently only one cure for AIDS - AZT.
C)  Most manifestations of AIDS are explained by the loss of helper T cell functions.
D)  Once infected by the virus,a person will test positive for HIV antibodies.
E)  In order for HIV to replicate,viral RNA is used to make viral DNA,which is inserted into the host cell's DNA.F) A) and B)
G) A) and C)

Question 7

What is the purpose of lacteals?

Accepted Answer

A)  Drain blood from the spleen.
B)  Absorb fluid from capillary beds.
C)  Absorb lipids from the digestive tract.
D)  Absorb solutes from interstitial spaces.E) C) and D)
F) B) and D)

Question 8

Match the term or description to the type of hypersensitivity.
-allergic reaction

Accepted Answer

A)  immediate hypersensitivity
B)  delayed hypersensitivityC) A) and B)
D) undefined

Question 9

Match the cell of adaptive immunity with its function.
-B cell

Accepted Answer

A)  quick and responsive to antigen,remembers previous exposure
B)  after activitaion,differentiates to become plasma cell or memory B cell
C)  produces antibodies
D)  destroys cells by lysis or by production of cytokines
E)  activates B and effector T cellsF) None of the above
G) B) and C)

Question 10

Transplanted tissues and organs that contain _________ _________ are rejected by the body.

Accepted Answer

A)  self-antigens
B)  foreign antigens
C)  foreign antibodies
D)  self-antibodies
E)  plasma proteinsF) A) and B)
G) A) and C)

Question 11

Match the appropriate characteristic with the type of immunity.
-B cells

Accepted Answer

A)  innate immunity
B)  antibody-mediated immunity
C)  cell-mediated immunity
D)  both antibody and cell-mediated immunity
E)  innate immunity,antibody-mediated immunity and cell-mediated immunityF) B) and C)
G) B) and E)

Question 12

B-cells

Accepted Answer

A)  are a subset of T cells.
B)  when activated become plasma cells and produce antibodies.
C)  are responsible for forming all the body's memory cells.
D)  suppress the activity of T cells.
E)  mature in the thymus.F) None of the above
G) A) and D)

Question 13

The intense inflammatory response seen in poison ivy is due to activity of the

Accepted Answer

A)  cytotoxic T cells.
B)  plasma cells.
C)  delayed hypersensitivity cells.
D)  macrophages.
E)  mast cells.F) All of the above
G) A) and D)

Question 14

Several research groups are working on vaccines that will be effective against the AIDS virus.When a successful vaccine is produced,it is likely to be injected to produce

Accepted Answer

A)  active natural immunity.
B)  active artificial immunity.
C)  passive natural immunity.
D)  passive artificial immunity.
E)  active passive immunity.F) B) and C)
G) B) and E)

Question 15

Match the appropriate characteristic with the type of immunity.
-protection against intracellular antigens

Accepted Answer

A)  innate immunity
B)  antibody-mediated immunity
C)  cell-mediated immunity
D)  both antibody and cell-mediated immunity
E)  innate immunity,antibody-mediated immunity and cell-mediated immunityF) B) and D)
G) C) and D)

Question 16

Circulatory changes that occur in inflammation include

Accepted Answer

A)  increased viscosity of the blood.
B)  decreased vascular permeability.
C)  increased vascular permeability.
D)  decreased blood flow to the area.
E)  vasoconstriction.F) D) and E)
G) C) and D)

Question 17

A child is born with a congenital disease that results in total loss of B cells.Which of the following would be a consequence of this immunodeficiency?

Accepted Answer

A)  no lymphokine production
B)  lack of antibody formation
C)  nonfunctioning complement system
D)  inability to form any type of memory cell
E)  no antigens on the cellsF) All of the above
G) B) and D)

Question 18

How do lymphatic capillaries differ form blood capillaries?

Accepted Answer

A)  Lymphatic capillaries do not have a basement membrane.
B)  Simple squamous epithelial cells of lymphatics overlap with loose attachments.
C)  Lymphatic capillaries are more permeable than blood capillaries.
D)  Lymphatic capillary epithelium act as one-way valves preventing movement of fluid back into interstitial spaces.
E)  All of the choices are ways lymphatic capillaries differ from blood capillaries.F) A) and B)
G) A) and C)

Question 19

A small molecule that can cause an allergic reaction is a/an

Accepted Answer

A)  T cell.
B)  B cell.
C)  antibody.
D)  hapten.E) None of the above
F) C) and D)

Question 20

Bean-shaped lymphatic organs found along lymphatic vessels are called

Accepted Answer

A)  lymph nodes.
B)  medullary cords.
C)  cisterna chyli.
D)  trabeculae.
E)  lymph nodules.F) A) and B)
G) B) and D)

Exam 22: Lymphatic System and Immunity

A child is born with a congenital disease that results in total loss of B cells.Which of the following would be a consequence of this immunodeficiency?

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A small molecule that can cause an allergic reaction is a/an

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As a result of opsonization,

Correct AnswerverifiedShow Answer

The intense inflammatory response seen in poison ivy is due to activity of the

Correct AnswerverifiedShow Answer

Circulatory changes that occur in inflammation include

Correct AnswerverifiedShow Answer

Several research groups are working on vaccines that will be effective against the AIDS virus.When a successful vaccine is produced,it is likely to be injected to produce

Correct AnswerverifiedShow Answer

Transplanted tissues and organs that contain _________ _________ are rejected by the body.

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Which of the following is false?

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What is the purpose of lacteals?

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Match the cell of adaptive immunity with its function. -B cell

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The spleen

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Match the appropriate characteristic with the type of immunity. -protection against intracellular antigens

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How do lymphatic capillaries differ form blood capillaries?

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Match the term with the appropriate description. -thymic corpuscles

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B-cells

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Bean-shaped lymphatic organs found along lymphatic vessels are called

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Match the term or description to the type of hypersensitivity. -allergic reaction

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Match the appropriate characteristic with the type of immunity. -provide protection against extracellular antigens

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Active natural immunity occurs when

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Match the appropriate characteristic with the type of immunity. -B cells

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Transplanted tissues and organs that contain _ _ are rejected by the body.

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