Question 1

T cell growth factor, IL-2, secreted by helper T cells is one of several interleukins that
 stimulate B cells.

Accepted Answer

A) True 
 B)False

Question 2

In addition to producing melanin, melanocytes play a role in immunity.

Accepted Answer

A) True 
 B)False

Question 3

Match each sentence with the most appropriate choice:
-Class II MHC glycoproteins

Accepted Answer

A)  nonspecific response 
B)  specific response 
C)  T-cell 
D)  B-cell 
E)  IgE
F) Helper T-cells
G) T-cell growth factor
H) HIV
I) virtually all nucleated body cells
J) special types of immune cells 
A)  nonspecific response 
B)  specific response 
C)  T-cell 
D)  B-cell 
E)  IgE
F) Helper T-cells
G) T-cell growth factor
H) HIV
I) virtually all nucleated body cells
J) special types of immune cells

Question 4

IL-1 release by immune cells results in the secretion of glucocorticoids such as cortisol. Cortisol, in turn,

Accepted Answer

A)  mobilizes amino acids. 
B)  mobilizes energy reserves and enhances immune function by making more energy available. 
C)  suppresses immune function. 
D)  mobilize energy reserves and suppress immune function. 
E)  does all of these. 
A)  mobilizes amino acids. 
B)  mobilizes energy reserves and enhances immune function by making more energy available. 
C)  suppresses immune function. 
D)  mobilize energy reserves and suppress immune function. 
E)  does all of these.

Question 5

Compare and contrast the body's defenses to a viral infection when the virus is free in the extracellular fluid as opposed to after a virus has entered a cell.

Accepted Answer

When a virus is free in the extracellula

Question 6

Self-recognition in mammals depends in part on ________.

Accepted Answer

A)  the presence of interleukins 
B)  innate immunity. 
C)  the presence of cytokines 
D)  Toll-like receptors 
E)  all of these. 
A)  the presence of interleukins 
B)  innate immunity. 
C)  the presence of cytokines 
D)  Toll-like receptors 
E)  all of these.

Question 7

________ nonspecifically cause virus-infected cells to lyse.

Accepted Answer

A)  Cytotoxic T-cells 
B)  Natural killer cells 
C)  Lymphocytes 
D)  Macrophages 
E)  Granulocytes 
A)  Cytotoxic T-cells 
B)  Natural killer cells 
C)  Lymphocytes 
D)  Macrophages 
E)  Granulocytes

Question 8

Which of the following skin cells does NOT play a role in immune function?

Accepted Answer

A)  melanocytes 
B)  keratinocytes 
C)  dendritic cells 
D)  Granstein cells 
E)  All of these play a role in immune function. 
A)  melanocytes 
B)  keratinocytes 
C)  dendritic cells 
D)  Granstein cells 
E)  All of these play a role in immune function.

Question 9

Which of the following statements about sweat glands is NOT true?

Accepted Answer

A)  Sweat glands are derived from the epidermis. 
B)  Sweat glands are important in thermoregulation. 
C)  Sweat glands produce anti-microbial compounds. 
D)  Sweat glands produce sebum. 
E)  None of these. 
A)  Sweat glands are derived from the epidermis. 
B)  Sweat glands are important in thermoregulation. 
C)  Sweat glands produce anti-microbial compounds. 
D)  Sweat glands produce sebum. 
E)  None of these.

Question 10

Discuss at three examples of acquired immunity that occur in nonvertebrates and any similarities they have with vertebrate immunity.

Accepted Answer

Acquired immunity in nonvertebrates, suc

Question 11

Neutrophils secrete ________ that kill invading microbes.

Accepted Answer

A)  nitric oxide 
B)  cathelicidins 
C)  interleukin-1 
D)  TLRs 
A)  nitric oxide 
B)  cathelicidins 
C)  interleukin-1 
D)  TLRs

Question 12

Many of the vertebrate complement proteins are related to the defensins found in
 invertebrates.

Accepted Answer

A) True 
 B)False

Question 13

Memory cells are

Accepted Answer

A)  hippocampal neurons. 
B)  exocrine cells that produce milk. 
C)  dormant, non-secreting B-cells. 
D)  dormant, non-secreting T-cells. 
E)  antibody secreting B-cells. 
A)  hippocampal neurons. 
B)  exocrine cells that produce milk. 
C)  dormant, non-secreting B-cells. 
D)  dormant, non-secreting T-cells. 
E)  antibody secreting B-cells.

Question 14

The rate of signal transfer between helper T cells and antigen presenting cells is increased by the presence of

Accepted Answer

A)  cytokines. 
B)  interleukins. 
C)  MHC I. 
D)  MHC II. 
E)  nanotubes. 
A)  cytokines. 
B)  interleukins. 
C)  MHC I. 
D)  MHC II. 
E)  nanotubes.

Question 15

The shark immune system has been so effective that they have survived longer than
 mammals have been on earth.

Accepted Answer

A) True 
 B)False

Question 16

Which of the following statements is NOT true?

Accepted Answer

A)  The more complex a foreign molecule the greater its antigenicity. 
B)  Isolated molecules may act as antigens. 
C)  Large polysaccharides may act as antigens. 
D)  T cells reside in colonies. 
E)  The key to B- and T-cell specificity is the TLRs present in their membrane that
Binds antigens. 
A)  The more complex a foreign molecule the greater its antigenicity. 
B)  Isolated molecules may act as antigens. 
C)  Large polysaccharides may act as antigens. 
D)  T cells reside in colonies. 
E)  The key to B- and T-cell specificity is the TLRs present in their membrane that
Binds antigens.

T cell growth factor, IL-2, secreted by helper T cells is one of several interleukins that stimulate B cells.

In addition to producing melanin, melanocytes play a role in immunity.

Match each sentence with the most appropriate choice: -Class II MHC glycoproteins

IL-1 release by immune cells results in the secretion of glucocorticoids such as cortisol. Cortisol, in turn,

Compare and contrast the body's defenses to a viral infection when the virus is free in the extracellular fluid as opposed to after a virus has entered a cell.

Self-recognition in mammals depends in part on ________.

________ nonspecifically cause virus-infected cells to lyse.

Which of the following skin cells does NOT play a role in immune function?

Which of the following statements about sweat glands is NOT true?

Discuss at three examples of acquired immunity that occur in nonvertebrates and any similarities they have with vertebrate immunity.

Neutrophils secrete ________ that kill invading microbes.

Many of the vertebrate complement proteins are related to the defensins found in invertebrates.

Memory cells are

The rate of signal transfer between helper T cells and antigen presenting cells is increased by the presence of

The shark immune system has been so effective that they have survived longer than mammals have been on earth.

Which of the following statements is NOT true?

Homeostasis and Integration: The Foundations of Physiology

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Neuronal Physiology

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Exam 10: Defense Systems

T cell growth factor, IL-2, secreted by helper T cells is one of several interleukins that stimulate B cells.

In addition to producing melanin, melanocytes play a role in immunity.

Match each sentence with the most appropriate choice: -Class II MHC glycoproteins

IL-1 release by immune cells results in the secretion of glucocorticoids such as cortisol. Cortisol, in turn,

Compare and contrast the body's defenses to a viral infection when the virus is free in the extracellular fluid as opposed to after a virus has entered a cell.

Self-recognition in mammals depends in part on ________.

________ nonspecifically cause virus-infected cells to lyse.

Which of the following skin cells does NOT play a role in immune function?

Which of the following statements about sweat glands is NOT true?

Discuss at three examples of acquired immunity that occur in nonvertebrates and any similarities they have with vertebrate immunity.

Neutrophils secrete ________ that kill invading microbes.

Many of the vertebrate complement proteins are related to the defensins found in invertebrates.

Memory cells are

The rate of signal transfer between helper T cells and antigen presenting cells is increased by the presence of

The shark immune system has been so effective that they have survived longer than mammals have been on earth.

Which of the following statements is NOT true?

Homeostasis and Integration: The Foundations of Physiology

Cellular and Molecular Physiology

Membrane Physiology

Neuronal Physiology

Nervous Systems

Sensory Physiology

Endocrine Systems

Muscle Physiology

Circulatory Systems

Respiratory Systems

Excretory Systems

Fluid and Acid-Base Balance

Digestive Systems

Energy Balance and Thermal Physiology

Reproductive Systems

Filters