Question 1

If you receive an immunization for hepatitis B and produce antibodies against the hepatitis B virus, you have developed what type of adaptive immunity?

Accepted Answer

A)   active natural immunity
B)   active artificial immunity
C)   passive natural immunity
D)   passive artificial immunity
E)   active passive immunityF) C) and D)
G) All of the above

Question 2

Natural Killer (NK)  cells

Accepted Answer

A)   a type of macrophage.
B)   are a type of plasma cell.
C)   secrete enzymes that kill tumor or virus-infected cells.
D)   are derived from B cells.
E)   promote inflammation.F) A) and B)
G) All of the above

Question 3

Interferon

Accepted Answer

A)   directly attacks viruses.
B)   protects cells that have been invaded by viruses.
C)   increases vascular permeability.
D)   is not produced by most cells.
E)   is a protein that interferes with virus production and infection.F) A) and D)
G) A) and B)

Question 4

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) A) and C)

Question 5

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

Question 6

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

Question 7

Which of the following statements concerning the spleen is true?

Accepted Answer

A)   Splenic arteries enter the organ at the periarterial sheath.
B)   The spleen can act as a blood reservoir.
C)   The white pulp is associated with the venous supply.
D)   The red pulp has trabeculae.
E)   Humans can not survive without a spleen.F) A) and B)
G) A) and C)

Question 8

Match the type of cell with its function.
-natural killer cell

Accepted Answer

A)  first cell to enter infected tissue
B)  will become macrophage in tissue
C)  lyses tumor and virus-infected cells
D)  cell that increases in number during a parasitic infection
E)  nonmotile cells in connective tissue that promote inflammationF) A) and E)
G) A) and D)

Question 9

Lymphocytes with a CD8 glycoprotein on their surface are called ______ cells and lymphocytes with a CD4 glycoprotein on their surface are called ______ cells.

Accepted Answer

A)   cytotoxic T; B
B)   B; cytotoxic T
C)   B; helper T
D)   helper T; cytotoxic T
E)   cytotoxic T; helperF) A) and B)
G) A) and C)

Question 10

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

Question 11

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 12

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

Question 13

MHC class II molecules are found on

Accepted Answer

A)   neutrophils, monocytes, and macrophages.
B)   dendritic cells, B cells, and helper T cells.
C)   monocytes, helper T cells, and neutrophils.
D)   B cells, macrophages, and dendritic cells.
E)   B cells, C cells and D cells.F) A) and C)
G) C) and D)

Question 14

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) A) and D)
G) None of the above

Question 15

Frequently, several different signals or molecules are needed in order to produce an immune response by a B cell or T cell. The second signal in this process is called

Accepted Answer

A)   opsonization.
B)   copresentation.
C)   complement activation.
D)   antigen processing.
E)   costimulation.F) A) and C)
G) B) and E)

Question 16

The immunoglobulin that is often the first antibody produced in response to an antigen is

Accepted Answer

A)   IgD.
B)   IgA.
C)   IgM.
D)   IgE.
E)   IgG.F) A) and B)
G) C) and D)

Question 17

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

Question 18

Which of the following is NOT a mechanism of complement action?

Accepted Answer

A)   produces cytokines
B)   opsonization
C)   attracts other immune cells to the site of infection
D)   forms a MAC that leads to cell lysisE) A) and B)
F) A) and C)

Question 19

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) B) and C)

Question 20

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 D)
G) D) and E)

Exam 22: Lymphatic System and Immunity

Which of the following statements concerning the spleen is true?

Correct AnswerverifiedShow Answer

The immunoglobulin that is often the first antibody produced in response to an antigen is

Correct AnswerverifiedShow Answer

Interferon production is stimulated by

Correct AnswerverifiedShow Answer

If you receive an immunization for hepatitis B and produce antibodies against the hepatitis B virus, you have developed what type of adaptive immunity?

Correct AnswerverifiedShow Answer

Active natural immunity occurs when

Correct AnswerverifiedShow Answer

MHC class II molecules are found on

Correct AnswerverifiedShow Answer

Which of the following is correctly matched?

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

Match the term with the appropriate description. -prostaglandins

Correct AnswerverifiedShow Answer

Tolerance is a state of

Correct AnswerverifiedShow Answer

Which of the following is NOT a mechanism of complement action?

Correct AnswerverifiedShow Answer

B-cells

Correct AnswerverifiedShow Answer

Frequently, several different signals or molecules are needed in order to produce an immune response by a B cell or T cell. The second signal in this process is called

Correct AnswerverifiedShow Answer

Natural Killer (NK) cells

Correct AnswerverifiedShow Answer

Lymphocytes with a CD8 glycoprotein on their surface are called ______ cells and lymphocytes with a CD4 glycoprotein on their surface are called ______ cells.

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

Match the type of cell with its function. -natural killer cell

Correct AnswerverifiedShow Answer

Bean-shaped lymphatic organs found along lymphatic vessels are called

Correct AnswerverifiedShow Answer

Match the term with the appropriate description. -thymic corpuscles

Correct AnswerverifiedShow Answer

Interferon

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

Lymphocytes with a CD8 glycoprotein on their surface are called cells and lymphocytes with a CD4 glycoprotein on their surface are called cells.

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified