Question 1

Immunoglobulins that attach to and sensitize mast cells and basophils are

Accepted Answer

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

Question 2

_______are large lymphoid nodules that are located in the walls of the pharynx.

Accepted Answer

A)  Tonsils 
B)  Peyer patches 
C)  Spleens 
D)  Lymph nodes 
E)  Immune complexes 
A)  Tonsils 
B)  Peyer patches 
C)  Spleens 
D)  Lymph nodes 
E)  Immune complexes A

Question 3

Lymphoid tissue is found in the greatest quantity in

Accepted Answer

A)  bone marrow. 
B)  the adult thymus. 
C)  the tonsils. 
D)  the adult spleen. 
E)  Peyer patches. 
A)  bone marrow. 
B)  the adult thymus. 
C)  the tonsils. 
D)  the adult spleen. 
E)  Peyer patches. D

Question 4

Lymph nodes range in diameter from

Accepted Answer

A)  1 nm to 10 nm. 
B)  1 cm to 1 inch. 
C)  1 cm to 25 cm. 
D)  1 mm to 25 mm. 
E)  1 inch to 2 inches. 
A)  1 nm to 10 nm. 
B)  1 cm to 1 inch. 
C)  1 cm to 25 cm. 
D)  1 mm to 25 mm. 
E)  1 inch to 2 inches.

Question 5

The various classes of immunoglobulins are differentiated on the basis of their

Accepted Answer

A)  antigen specificity. 
B)  light- chain variable segments. 
C)  heavy- chain constant segments. 
D)  asymmetry. 
E)  both C and D 
A)  antigen specificity. 
B)  light- chain variable segments. 
C)  heavy- chain constant segments. 
D)  asymmetry. 
E)  both C and D

Question 6

Plasma contains__________ special complement proteins that form the complement system.

Accepted Answer

A)  5 
B)  7 
C)  9 
D)  3 
E)  11 
A)  5 
B)  7 
C)  9 
D)  3 
E)  11

Question 7

The first line of cellular defense against pathogens are the

Accepted Answer

A)  NK cells. 
B)  phagocytes. 
C)  T cells. 
D)  B cells. 
E)  plasma cells. 
A)  NK cells. 
B)  phagocytes. 
C)  T cells. 
D)  B cells. 
E)  plasma cells.

Question 8

Immunoglobulins that are most abundant and are responsible for resistance against many viruses, bacteria, and bacterial toxins are

Accepted Answer

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

Question 9

Stromal cells produce the cytokine interleukin- 7, which promotes the differentiation of B cells

Accepted Answer

A) True 
 B)False

Question 10

An infection and inflammation of the aggregated lymphoid nodules in the pharynx is termed _______.

Accepted Answer

The answer of An infection and inflammation of the aggregated...

Question 11

When an antibody binds to its specific antigen an)_______ is formed

Accepted Answer

antibody-

Question 12

The release of endogenous pyrogen or interleukin- 1) by active macrophages would

Accepted Answer

A)  activate complement. 
B)  opsonize pathogens. 
C)  cause inflammation. 
D)  activate antibodies. 
E)  produce a fever. 
A)  activate complement. 
B)  opsonize pathogens. 
C)  cause inflammation. 
D)  activate antibodies. 
E)  produce a fever.

Question 13

Hormones of the immune system include all of the following, except

Accepted Answer

A)  thymosins. 
B)  tumor necrosis factor. 
C)  interleukins. 
D)  interferons. 
E)  natriuretic factor. 
A)  thymosins. 
B)  tumor necrosis factor. 
C)  interleukins. 
D)  interferons. 
E)  natriuretic factor.

Question 14

The largest collection of lymphoid tissue in the body is found in the

Accepted Answer

A)  pancreas. 
B)  kidney. 
C)  liver. 
D)  thyroid gland. 
E)  spleen. 
A)  pancreas. 
B)  kidney. 
C)  liver. 
D)  thyroid gland. 
E)  spleen.

Question 15

_________ lymphatics leave the lymph node at the hilum

Accepted Answer

The answer of _________ lymphatics leave the lymph node at...

Question 16

CD8 markers are to______ T cells as CD4 markers are to______ T cells.

Accepted Answer

The answer of CD8 markers are to______ T cells as...

Question 17

B cells are primarily activated by the activities of

Accepted Answer

A)  antibodies. 
B)  plasma cells. 
C)  helper T cells. 
D)  macrophages. 
E)  antigens. 
A)  antibodies. 
B)  plasma cells. 
C)  helper T cells. 
D)  macrophages. 
E)  antigens.

Question 18

What is MALT? What role does it play in the body's defenses?

Accepted Answer

MALT is an acronym for mucosa- associate

Question 19

The cells that perform immunological surveillance are the ______cells.

Accepted Answer

A)  B 
B)  NK 
C)  plasma 
D)  suppressor T 
E)  helper T 
A)  B 
B)  NK 
C)  plasma 
D)  suppressor T 
E)  helper T

Question 20

Cytotoxic T cells can attack target cells with which of these chemical weapons?

Accepted Answer

A)  secrete a cytokine that triggers apoptosis 
B)  secrete mutant proteins 
C)  secrete strong acid 
D)  secrete free radicals 
E)  secrete organic solvent 
A)  secrete a cytokine that triggers apoptosis 
B)  secrete mutant proteins 
C)  secrete strong acid 
D)  secrete free radicals 
E)  secrete organic solvent

Exam 20: The Lymphoid System and Immunity

Immunoglobulins that attach to and sensitize mast cells and basophils are

_______are large lymphoid nodules that are located in the walls of the pharynx.

Lymphoid tissue is found in the greatest quantity in

Lymph nodes range in diameter from

The various classes of immunoglobulins are differentiated on the basis of their

Plasma contains__________ special complement proteins that form the complement system.

The first line of cellular defense against pathogens are the

Immunoglobulins that are most abundant and are responsible for resistance against many viruses, bacteria, and bacterial toxins are

Stromal cells produce the cytokine interleukin- 7, which promotes the differentiation of B cells

An infection and inflammation of the aggregated lymphoid nodules in the pharynx is termed _______.

When an antibody binds to its specific antigen an)_______ is formed

The release of endogenous pyrogen or interleukin- 1) by active macrophages would

Hormones of the immune system include all of the following, except

The largest collection of lymphoid tissue in the body is found in the

_________ lymphatics leave the lymph node at the hilum

CD8 markers are to______ T cells as CD4 markers are to______ T cells.

B cells are primarily activated by the activities of

What is MALT? What role does it play in the body's defenses?

The cells that perform immunological surveillance are the ______cells.

Cytotoxic T cells can attack target cells with which of these chemical weapons?

An Introduction to Anatomy and Physiology

The Chemical Level of Organization

The Cellular Level of Organization

The Tissue Level of Organization

The Integumentary System

Osseous Tissue and Bone Structure

The Skeleton

Articulations

Muscle Tissue

The Muscular System

Neural Tissue

The Spinal Cord, Spinal Nerves, and Spinal Reflexes

The Brain and Cranial Nerves

Neural Integration

The Special Senses

The Endocrine System

Blood

The Heart

Blood Vessels and Circulation

The Respiratory System

The Digestive System

Metabolism and Energetics

The Urinary System

Fluid, Electrolyte, and Acid-Base Balance

The Reproductive System

Filters

CD8 markers are to T cells as CD4 markers are to T cells.