Question 1

Antibodies

Accepted Answer

A)   activate antigens.
B)   may initiate inflammation and enhance phagocytosis.
C)   are proteins produced by T helper cells.
D)   are needed for costimulation.
E)   have memory.F) All of the above
G) B) and C)

Question 2

The redness and heat seen in an inflamed area are the result of

Accepted Answer

A)   vasoconstriction.
B)   increased blood flow to the area.
C)   phagocyte mobilization.
D)   production of interferon.
E)   a reddish substance released by erythrocytes.F) A) and B)
G) All of the above

Question 3

Tolerance is a state of

Accepted Answer

A)   hypersensitivity.
B)   transplant rejection.
C)   unresponsiveness to antigens.
D)   responding to self-antigens.
E)   non-recognition of antigens.F) A) and B)
G) C) and E)

Question 4

Match the appropriate characteristic with the type of immunity.
-cells mature in thymus gland

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) None of the above
G) B) and C)

Question 5

Match the term with the appropriate description.
-prostaglandins

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 C)
G) B) and C)

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) All of the above
G) D) and E)

Question 7

Tolerance to antigens is induced by

Accepted Answer

A)   blocking costimulation.
B)   stimulating interleukin 2 production.
C)   preventing suppressor T cell proliferation.
D)   promoting the release of cytokines.
E)   stimulating helper T cell division.F) B) and E)
G) B) and D)

Question 8

Match the term or description to the type of hypersensitivity.
-atopy

Accepted Answer

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

Question 9

The right lymphatic duct drains lymph from the

Accepted Answer

A)   abdomen.
B)   upper part of the body.
C)   right arm, right chest, and right side of head.
D)   right side of the body.
E)   left arm, left chest, and left side of head.F) B) and E)
G) A) and B)

Question 10

Interferon production is stimulated by

Accepted Answer

A)   a viral infection.
B)   the complement cascade.
C)   antigen-presenting cells.
D)   degranulation of basophils.
E)   inflammation.F) A) and D)
G) B) and E)

Question 11

Cells that process antigen and present antigens to other immune cells are called

Accepted Answer

A)   plasma cells.
B)   antigen-presenting cells.
C)   B receptor cells.
D)   T suppressor cells.
E)   antibodies.F) A) and B)
G) A) and C)

Question 12

What is the function of thymosin?

Accepted Answer

A)   destroys damaged red blood cells
B)   destroys damaged white blood cells
C)   activates lymphocytes in lymph nodes
D)   maturation of T-cellsE) C) and D)
F) All of the above

Question 13

Match the term or description to the type of hypersensitivity.
-immune complex disease

Accepted Answer

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

Question 14

The thymus is where ____ mature and become functional immune cells.

Accepted Answer

A)   pre-T cells
B)   pre-B cells
C)   macrophages
D)   null cells
E)   C cells.F) A) and B)
G) B) and E)

Question 15

The process of eliminating those lymphocytes that react or respond against self-antigens is called

Accepted Answer

A)   phagocytosis.
B)   inflammation.
C)   negative selection.
D)   activation of complement.
E)   natural selection.F) D) and E)
G) None of the above

Question 16

In the cell-mediated immune response, T cells secrete ____, which activate additional components of the immune system.

Accepted Answer

A)   antibodies
B)   complement
C)   collagen
D)   cytokines
E)   histamineF) B) and C)
G) C) and E)

Question 17

A traditional method of providing temporary immunity for a person who is suspected of being infected (usually be an animal bite)  with rabies is classified as

Accepted Answer

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

Question 18

Which of the following is correctly matched?

Accepted Answer

A)   IgA - found in saliva and tears
B)   IgD - can cross the placenta
C)   IgG - first to challenge the antigen
D)   IgM - antigen-binding receptor on B cells
E)   IgE - transfusion reactionsF) B) and C)
G) A) and B)

Question 19

Match the appropriate characteristic with the type of immunity.
-no hypersensitivity

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

Question 20

Lacteals are

Accepted Answer

A)   a type of lymphocyte.
B)   a nonspecific defense.
C)   lymphatic vessels in the lining of the small intestine.
D)   the sinuses inside a lymph node.
E)   germinal centers.F) A) and D)
G) None of the above

Exam 22: Lymphatic System and Immunity

Which of the following is false?

Correct AnswerverifiedShow Answer

Match the appropriate characteristic with the type of immunity. -cells mature in thymus gland

Correct AnswerverifiedShow Answer

Lacteals are

Correct AnswerverifiedShow Answer

Match the appropriate characteristic with the type of immunity. -no hypersensitivity

Correct AnswerverifiedShow Answer

The redness and heat seen in an inflamed area are the result of

Correct AnswerverifiedShow Answer

Tolerance to antigens is induced by

Correct AnswerverifiedShow Answer

Cells that process antigen and present antigens to other immune cells are called

Correct AnswerverifiedShow Answer

The right lymphatic duct drains lymph from the

Correct AnswerverifiedShow Answer

Tolerance is a state of

Correct AnswerverifiedShow Answer

Which of the following is correctly matched?

Correct AnswerverifiedShow Answer

The thymus is where ____ mature and become functional immune cells.

Correct AnswerverifiedShow Answer

Match the term or description to the type of hypersensitivity. -atopy

Correct AnswerverifiedShow Answer

What is the function of thymosin?

Correct AnswerverifiedShow Answer

Match the term with the appropriate description. -prostaglandins

Correct AnswerverifiedShow Answer

The process of eliminating those lymphocytes that react or respond against self-antigens is called

Correct AnswerverifiedShow Answer

Match the term or description to the type of hypersensitivity. -immune complex disease

Correct AnswerverifiedShow Answer

A traditional method of providing temporary immunity for a person who is suspected of being infected (usually be an animal bite) with rabies is classified as

Correct AnswerverifiedShow Answer

Antibodies

Correct AnswerverifiedShow Answer

Interferon production is stimulated by

Correct AnswerverifiedShow Answer

In the cell-mediated immune response, T cells secrete ____, which activate additional components of the immune system.

Correct AnswerverifiedShow Answer

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified