Filters
Question type

Study Flashcards

Antibody functions include


A) activating antigens.
B) initiating inflammation and enhancing phagocytosis.
C) stimulating proteins production by T helper cells.
D) participating in costimulation.
E) enhancing memory.

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

Correct Answer

verifed

verified

B

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


A) active natural immunity
B) active artificial immunity
C) passive natural immunity
D) passive artificial immunity
E) passive active immunity

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

Correct Answer

verifed

verified

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


A) Innate immunity
B) Antibody-mediated immunity
C) Cell-mediated immunity
D) Both antibody-mediated and cell-mediated immunity
E) Innate immunity, antibody-mediated immunity, and cell-mediated immunity

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

Correct Answer

verifed

verified

Lymph nodes are surrounded by a dense connective tissue called the ________.


A) cortex
B) capsule
C) reticulum
D) trabeculae
E) basement membrane

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

Correct Answer

verifed

verified

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 ________.


A) opsonization
B) copresentation
C) complement activation
D) antigen processing
E) costimulation

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

Correct Answer

verifed

verified

Several days after an initial contact with an antigen, antibody blood levels increases. This is a ________.


A) primer response
B) primary response
C) precipitating response
D) principle response
E) cascade response

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

Correct Answer

verifed

verified

What is the function of thymosin?


A) Destroys damaged red blood cells
B) Destroys damaged white blood cells
C) Activates lymphocytes in lymph nodes
D) Maturation of T-cells

E) B) and C)
F) C) and D)

Correct Answer

verifed

verified

D

Bacteria and debris are actively removed from the lymph by ________ in the sinuses of lymph nodes.


A) trabecular cells
B) germinal cells
C) macrophages
D) lymphocytes
E) plasma cells

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

Correct Answer

verifed

verified

C

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


A) cytotoxic T; B
B) B; cytotoxic T
C) B; helper T
D) helper T; cytotoxic T
E) cytotoxic T; helper

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

Correct Answer

verifed

verified

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


A) antibodies
B) complement
C) collagen
D) cytokines
E) histamine

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

Correct Answer

verifed

verified

Dr. Clark has developed a new treatment that stimulates the innate immunity to be more sensitive to cancer cells. Which of the following cells would most likely be stimulated by this new drug?


A) NK cells
B) B lymphocytes
C) Cytotoxic T cells
D) Interferons

E) B) and C)
F) A) and B)

Correct Answer

verifed

verified

Match the cell of adaptive immunity with its function. -Helper T cell


A) Quick and responsive to antigen, remembers previous exposure
B) After activation, 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 cells

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

Correct Answer

verifed

verified

Match the appropriate characteristic with the type of immunity. -Lymphocytes provide this type of immunity


A) Innate immunity
B) Antibody-mediated immunity
C) Cell-mediated immunity
D) Both antibody-mediated and cell-mediated immunity
E) Innate immunity, antibody-mediated immunity, and cell-mediated immunity

F) C) and E)
G) None of the above

Correct Answer

verifed

verified

A mutation occurs in a gene that is important to the production of MHC Class II molecules. Which of the following statements accurately describes the ramifications of such a mutation?


A) Such a mutation will hinder antibody production due to the lack of interaction between B lymphocytes and helper T cells.
B) Such a mutation inhibits cytotoxic T cell function since these cells will not be able to interact with other cells of the body.
C) There will not be a negative impact because the mutation affects a rare class of MHC molecules that are only functional later in life.
D) Such a mutation will alter the ability of NK cells to detect tumor cells in the body.

E) None of the above
F) C) and D)

Correct Answer

verifed

verified

________ determines which B-cell is cloned in an antibody-mediated response.


A) The antibody
B) The antigen
C) A macrophage
D) Complement
E) A neutrophil

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

Correct Answer

verifed

verified

The right lymphatic duct drains lymph from the


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

Correct Answer

verifed

verified

Which of the following cytokines is mismatched?


A) Perforin - makes a hole in target cell membranes
B) Alpha interferon - prevents viral replication
C) Lymphotoxin - costimulator of T cells
D) Interleukin 4 - plays a role in allergic reactions
E) TNF - activates macrophages and promotes fever

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

Correct Answer

verifed

verified

Match the type of cell with its function. -Eosinophil


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 inflammation

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

Correct Answer

verifed

verified

Lymphatic tissue contains an interlaced network of reticular fibers that functions to


A) produce lymphocytes.
B) produce capsules around lymph nodes.
C) attack microorganisms.
D) line the walls of lymphatic vessels.
E) trap microorganisms.

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

Correct Answer

verifed

verified

Match the term with the appropriate description. -Prostaglandins


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 vasodilation

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

Correct Answer

verifed

verified

Showing 1 - 20 of 193

Related Exams

Show Answer