Immune System and the Body Defense Unit

B

D

A

B

A

What lymphatic organ/structure is identified by letter A?

 

Thymus

 

Spleen

 

Lymph node

 

Peyer's patches

Peyer's patches

Acute lymphoblastic leukemia

 Mononucleosis

 

Iron-deficiency anemia

 

Sickle-cell anemia

Sickle-cell anemia

Lymph node

Thymus

Peyer's patches

Spleen

Thymus

C

Eosinophil

 Lymphocyte

 

Monocyte

 

Basophi

Eosinophil

Vaccines are effective because they

 

immediately stimulate cellular immunity to eliminate all of the pathogen in the body.

 

inhibit antibodies from having secondary responses.

 

increase the number of natural killer cells while decreasing the numbers of T and B cells.

 

stimulate the development of immunologic memory.

stimulate the development of immunologic memory.

Nonspecific immunity is another name for

 

acquired immunity.

 

adaptive immunity.

 

innate immunity.

cell-mediated immunity.

innate immunity.

The primary goal of the immune response is

 

stimulation of mitotic activity in order to replace cells damaged by infection.

 

destruction or inactivation of pathogens and foreign material.

 

maintenance of the proper ionic balance between lymph and blood.

 

reduction of the number of circulating memory lymphocytes.

destruction or inactivation of pathogens and foreign material.

The clumping of foreign cells that occurs when antibodies cross-link their antigens is known as

 

opsonization.

 

precipitation.

 

neutralization.

 

agglutination.

agglutination.

Which of the following lists the body's first, second, and third lines of defense in order?

 

External innate immunity, internal innate immunity, adaptive immunity

 

External innate immunity, adaptive immunity, internal innate immunity

 

Innate immunity, internal adaptive immunity, internal innate immunity

 

External adaptive immunity, internal adaptive immunity, innate immunity

External innate immunity, internal innate immunity, adaptive immunity

An immunoglobulin is a(n)

 

antigen, which is a cell receptor.

 

antibody, which is a protein molecule.

 

antibody, which is a white blood cell.

 

lymphocyte, which is a protein molecule.

antibody, which is a protein molecule.

Passive immunity lasts

 

from days to weeks, and involves development of memory cells.

 

from days to weeks, and does not involve development of memory cells.

 

from years to a lifetime, and does not involve development of memory cells.

 

from years to a lifetime, and involves the development of memory cells.

from days to weeks, and does not involve development of memory cells.

A fever ________ reproduction of bacteria and ________ CAMs on the endothelium of capillaries of lymph nodes.

 

stimulates; decreases

 

inhibits; increases

 

stimulates; increases

 

inhibits; decreases

inhibits; increases

Fungi are

 

eukaryotic cells with a cell wall.

 

protozoans lacking a cell wall.

 

multicellular parasites that reside within a host.

 

viruses that are fragments of infectious proteins.

eukaryotic cells with a cell wall.

A virus is ______ than a bacterial cell, and a virus is composed of ________.

 

larger; nucleic acid within a protein capsid.

 

larger; a eukaryotic cell with a cell wall.

 

smaller; nucleic acid within a protein capsid.

 

smaller; a eukaryotic cell with a cell wall.

smaller; nucleic acid within a protein capsid.

Which cell type is targeted by the human immunodeficiency virus (HIV)?

 

Helper T-lymphocyte

 

Memory B-lymphocyte

 

Natural killer cell

 

Plasma cell

Helper T-lymphocyte

Antigens are

 

disorders involving overactive immune systems.

 

membrane receptors on B-lymphocytes.

 

something made by a white blood cell to destroy a pathogen.

 

something that an antibody or T-lymphocyte binds to.

something that an antibody or T-lymphocyte binds to.

Which type of cell  is the most effective to attack multicellular parasites such as tapeworms?

 

Macrophages

 

Eosinophils

 

Basophils

 

Neutrophils

Eosinophils

Which type of cell attacks a variety of unwanted cells and causes those cells to undergo apoptosis?

 

Macrophages

 

Neutrophils

 

Eosinophils

 

Natural killer cells

Natural killer cells

Active immunity requires

 

that an active virus be used in a vaccine.

 

direct encounter with the antigen.

 

that all immune responses to the pathogen result in symptoms of illness.

 

the transfer of antibodies from another individual.

direct encounter with the antigen.