Question 1

Figure 20- 1 The Structure of a Lymph Node
Use Figure 20- 1 to answer the following questions:
-Identify the dominant cell type in the area labeled "6."

Accepted Answer

A)  T cells 
B)  B cells 
C)  platelets 
D)  erythrocytes 
E)  all of the above 
A)  T cells 
B)  B cells 
C)  platelets 
D)  erythrocytes 
E)  all of the above

Question 2

The process by which the surface of a microorganism is covered with antibodies and complement,rendering it more likely to be phagocytized, is called_______

Accepted Answer

The answer of The process by which the surface of...

Question 3

Interleukins do all of the following, except

Accepted Answer

A)  stimulate B- cell activity, plasma cell formation, and antibody production. 
B)  elevate body temperature. 
C)  stimulate collagen synthesis. 
D)  increase T- cell sensitivity to antigens exposed on macrophage membranes. 
E)  stimulate inflammation. 
A)  stimulate B- cell activity, plasma cell formation, and antibody production. 
B)  elevate body temperature. 
C)  stimulate collagen synthesis. 
D)  increase T- cell sensitivity to antigens exposed on macrophage membranes. 
E)  stimulate inflammation.

Question 4

The lymphoid system does all of the following, except that it

Accepted Answer

A)  helps maintain normal blood volume. 
B)  eliminates variations in the composition of interstitial fluid. 
C)  transports lipids from the digestive tract. 
D)  transports gases to and away from lymph nodes. 
E)  fights infection. 
A)  helps maintain normal blood volume. 
B)  eliminates variations in the composition of interstitial fluid. 
C)  transports lipids from the digestive tract. 
D)  transports gases to and away from lymph nodes. 
E)  fights infection.

Question 5

Stress can affect the immune response in all of the following ways, except by

Accepted Answer

A)  inhibiting glucocorticoid release. 
B)  reducing the number of phagocytes. 
C)  depressing the inflammatory response. 
D)  inhibiting interleukin secretion. 
E)  increasing the level of glucocorticoids. 
A)  inhibiting glucocorticoid release. 
B)  reducing the number of phagocytes. 
C)  depressing the inflammatory response. 
D)  inhibiting interleukin secretion. 
E)  increasing the level of glucocorticoids.

Question 6

________exists when the immune system does not respond to a particular antigen.

Accepted Answer

The answer of ________exists when the immune system does not...

Question 7

Various types of macrophages are derived from

Accepted Answer

A)  basophils. 
B)  monocytes. 
C)  lymphocytes. 
D)  neutrophils. 
E)  eosinophils. 
A)  basophils. 
B)  monocytes. 
C)  lymphocytes. 
D)  neutrophils. 
E)  eosinophils.

Question 8

Immunity that is genetically determined and present at birth is called_________ immunity.

Accepted Answer

A)  auto 
B)  passive 
C)  natural passive 
D)  innate 
E)  active 
A)  auto 
B)  passive 
C)  natural passive 
D)  innate 
E)  active

Question 9

In IgG, the antigen binding site is formed by

Accepted Answer

A)  the variable segment of the heavy chain 
B)  the variable segment of the light chain 
C)  the constant segment of the heavy chain 
D)  A + B 
E)  A + C 
A)  the variable segment of the heavy chain 
B)  the variable segment of the light chain 
C)  the constant segment of the heavy chain 
D)  A + B 
E)  A + C

Question 10

____________are hormones that make a cell and its neighbors resistant to virus infection.

Accepted Answer

The answer of ____________are hormones that make a cell and...

Question 11

Figure 20- 1 The Structure of a Lymph Node
Use Figure 20- 1 to answer the following questions:
-Identify the structure labeled "3."

Accepted Answer

A)  cortex 
B)  capsule 
C)  subcapsular space 
D)  outer cortex 
E)  trabeculae 
A)  cortex 
B)  capsule 
C)  subcapsular space 
D)  outer cortex 
E)  trabeculae

Question 12

Fever is the maintenance of body temperature greater than

Accepted Answer

A)  37.2°C. 
B)  99°F. 
C)  98.6°F. 
D)  A or C 
E)  A or B 
A)  37.2°C. 
B)  99°F. 
C)  98.6°F. 
D)  A or C 
E)  A or B

Question 13

are clusters of lymphoid nodules deep to the epithelial lining of the small intestine.

Accepted Answer

A)  Immune complexes 
B)  Adenoids 
C)  Tonsils 
D)  Lymph glands 
E)  Peyer patches 
A)  Immune complexes 
B)  Adenoids 
C)  Tonsils 
D)  Lymph glands 
E)  Peyer patches

Question 14

The attraction or repulsion of certain cells to chemicals in their environment is called_____

Accepted Answer

The answer of The attraction or repulsion of certain cells...

Question 15

Figure 20- 1 The Structure of a Lymph Node
Use Figure 20- 1 to answer the following questions:
-Lymphatic capillaries are known for

Accepted Answer

A)  being the smallest lymphatic vessels. 
B)  shingle- like endothelial cells. 
C)  being the starting point of the lymphatic circulation. 
D)  having larger diameters and looser walls than blood capillaries. 
E)  all of the above 
A)  being the smallest lymphatic vessels. 
B)  shingle- like endothelial cells. 
C)  being the starting point of the lymphatic circulation. 
D)  having larger diameters and looser walls than blood capillaries. 
E)  all of the above

Question 16

Dividing lymphocytes can be found in the _______of the lymphoid nodule.

Accepted Answer

A)  central zone 
B)  germinal center 
C)  cortex 
D)  both A and B 
E)  A, B, and C 
A)  central zone 
B)  germinal center 
C)  cortex 
D)  both A and B 
E)  A, B, and C

Question 17

All of the following are true of the primary response of humoral immunity, except that it

Accepted Answer

A)  requires B cell differentiation into plasma cells. 
B)  circulating antibodies undergo a gradual, sustained rise. 
C)  peaks 1 to 2 weeks after the initial exposure. 
D)  is delayed by the memory cell stage. 
E)  depends on antigen triggering the appropriate B cell. 
A)  requires B cell differentiation into plasma cells. 
B)  circulating antibodies undergo a gradual, sustained rise. 
C)  peaks 1 to 2 weeks after the initial exposure. 
D)  is delayed by the memory cell stage. 
E)  depends on antigen triggering the appropriate B cell.

Question 18

All of the following are true of the thymus gland, except that it

Accepted Answer

A)  involutes after puberty. 
B)  lies in the anterior mediastinum. 
C)  activates B cells. 
D)  produces T cells. 
E)  reaches its greatest relative size during the second year of life. 
A)  involutes after puberty. 
B)  lies in the anterior mediastinum. 
C)  activates B cells. 
D)  produces T cells. 
E)  reaches its greatest relative size during the second year of life.

Question 19

_______are hormones that regulate the activity of B cells and T cells and enhance nonspecific defense.

Accepted Answer

The answer of _______are hormones that regulate the activity of...

Question 20

________are antigen- presenting cells located in the epithelia of the skin.

Accepted Answer

The answer of ________are antigen- presenting cells located in the...

Exam 20: The Lymphoid System and Immunity

Figure 20- 1 The Structure of a Lymph Node Use Figure 20- 1 to answer the following questions: -Identify the dominant cell type in the area labeled "6."

The process by which the surface of a microorganism is covered with antibodies and complement,rendering it more likely to be phagocytized, is called_______

Interleukins do all of the following, except

The lymphoid system does all of the following, except that it

Stress can affect the immune response in all of the following ways, except by

________exists when the immune system does not respond to a particular antigen.

Various types of macrophages are derived from

Immunity that is genetically determined and present at birth is called_________ immunity.

In IgG, the antigen binding site is formed by

____________are hormones that make a cell and its neighbors resistant to virus infection.

Figure 20- 1 The Structure of a Lymph Node Use Figure 20- 1 to answer the following questions: -Identify the structure labeled "3."

Fever is the maintenance of body temperature greater than

are clusters of lymphoid nodules deep to the epithelial lining of the small intestine.

The attraction or repulsion of certain cells to chemicals in their environment is called_____

Figure 20- 1 The Structure of a Lymph Node Use Figure 20- 1 to answer the following questions: -Lymphatic capillaries are known for

Dividing lymphocytes can be found in the _______of the lymphoid nodule.

All of the following are true of the primary response of humoral immunity, except that it

All of the following are true of the thymus gland, except that it

_______are hormones that regulate the activity of B cells and T cells and enhance nonspecific defense.

________are antigen- presenting cells located in the epithelia of the skin.

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

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