Question 1

Chemical mediators of inflammation include all of these EXCEPT:

Accepted Answer

A) prostaglandins 
B) histamines 
C) interferon 
D) complement 
E) leukotrienes 
A) prostaglandins 
B) histamines 
C) interferon 
D) complement 
E) leukotrienes

Question 2

Why does an allergy to plant pollen cause inflammation in the respiratory tract and increases in mucus production?

Accepted Answer

A) The pollen is interacting with the cytotoxic T cells causing them to destroy body cells in the respiratory tract. 
B) The pollen,when inhaled,combines with antibodies and stimulates the release of histamine from Mast cells. 
C) The pollen enters and infects cells lining the lungs causing bacterial proliferation. 
D) Natural Killer cells bind the pollen and stimulate the activation of the clotting response. 
E) Pollen binds with interleukin-1 and stimulates T cell division and causes an autoimmune disorder. 
A) The pollen is interacting with the cytotoxic T cells causing them to destroy body cells in the respiratory tract. 
B) The pollen,when inhaled,combines with antibodies and stimulates the release of histamine from Mast cells. 
C) The pollen enters and infects cells lining the lungs causing bacterial proliferation. 
D) Natural Killer cells bind the pollen and stimulate the activation of the clotting response. 
E) Pollen binds with interleukin-1 and stimulates T cell division and causes an autoimmune disorder.

Question 3

Concerning activation of lymphocytes,

Accepted Answer

A) lymphocytes must be activated by an antigen to produce a specific immune response. 
B) lymphocytes have antigen-binding receptors on their surface. 
C) helper T cells release interleukin 2,which stimulates lymphocytes to divide. 
D) lymphocytes in a clone all have identical antigen-binding receptors. 
E) lymphocytes have all of these characteristics 
A) lymphocytes must be activated by an antigen to produce a specific immune response. 
B) lymphocytes have antigen-binding receptors on their surface. 
C) helper T cells release interleukin 2,which stimulates lymphocytes to divide. 
D) lymphocytes in a clone all have identical antigen-binding receptors. 
E) lymphocytes have all of these characteristics

Question 4

Functions of lymph nodes include

Accepted Answer

A) suppressing the immune system. 
B) removing microorganisms and foreign substances from lymph. 
C) returning tissue fluid to the arteries. 
D) filtering out the fat molecules present in lymph. 
E) both suppressing the immune system and removing microorganisms and foreign substances from lymph. 
A) suppressing the immune system. 
B) removing microorganisms and foreign substances from lymph. 
C) returning tissue fluid to the arteries. 
D) filtering out the fat molecules present in lymph. 
E) both suppressing the immune system and removing microorganisms and foreign substances from lymph.

Question 5

Antibody-mediated immunity is effective against

Accepted Answer

A) bacteria. 
B) viruses. 
C) toxins. 
D) extracellular antigens. 
E) All of these are correct. 
A) bacteria. 
B) viruses. 
C) toxins. 
D) extracellular antigens. 
E) All of these are correct.

Question 6

Which of the following functions in positive feedback between the adaptive and innate immune responses?

Accepted Answer

A) cytotoxic T cell release of cytokines 
B) release of antibodies by plasma B cells 
C) proliferation of memory B cells 
D) Both cytotoxic T cell release of cytokines and release of antibodies by plasma B cells positively feedback to enhance the innate response. 
E) All of these positively feedback to enhance the innate response. 
A) cytotoxic T cell release of cytokines 
B) release of antibodies by plasma B cells 
C) proliferation of memory B cells 
D) Both cytotoxic T cell release of cytokines and release of antibodies by plasma B cells positively feedback to enhance the innate response. 
E) All of these positively feedback to enhance the innate response.

Question 7

After cutting yourself severely on a can a week ago,you noticed that the inflamed area has not gone back down or lost its redness.Which of the following could account for the continued swelling and inflammation?

Accepted Answer

A) Your eosinophil count is very low. 
B) Your basophil and mast cell counts are very low. 
C) Some bacteria still remain in the wound. 
D) Both your eosinophil count is very low and some bacteria still remain in the wound could plausibly account for continued inflammation. 
E) All of these could plausibly account for continued inflammation. 
A) Your eosinophil count is very low. 
B) Your basophil and mast cell counts are very low. 
C) Some bacteria still remain in the wound. 
D) Both your eosinophil count is very low and some bacteria still remain in the wound could plausibly account for continued inflammation. 
E) All of these could plausibly account for continued inflammation.

Question 8

____________ involves production of plasma cells.

Accepted Answer

A) Innate immunity 
B) Antibody-mediated (adaptive)immunity 
C) Cell-mediated (adaptive)immunity 
D) All forms of adaptive immunity 
A) Innate immunity 
B) Antibody-mediated (adaptive)immunity 
C) Cell-mediated (adaptive)immunity 
D) All forms of adaptive immunity

Question 9

In addition to leaving the blood in response to an infection,monocytes/macrophages also

Accepted Answer

A) cause inflammation. 
B) produce interferon. 
C) directly cause increased vascular permeability. 
D) are found in uninfected tissues. 
E) can become lymphocytes. 
A) cause inflammation. 
B) produce interferon. 
C) directly cause increased vascular permeability. 
D) are found in uninfected tissues. 
E) can become lymphocytes.

Question 10

As we age,the thymus:

Accepted Answer

A) begins producing red blood cells. 
B) tissue is mostly replaced with adipose tissue and it decreases in size. 
C) increases in size and becomes more prominent. 
D) becomes increasingly active. 
E) all of the above are true. 
A) begins producing red blood cells. 
B) tissue is mostly replaced with adipose tissue and it decreases in size. 
C) increases in size and becomes more prominent. 
D) becomes increasingly active. 
E) all of the above are true.

Question 11

The spleen

Accepted Answer

A) filters blood instead of lymph. 
B) contains macrophages in the red pulp that remove foreign substances and worn-out red blood cells. 
C) has white pulp surrounding the central arteries. 
D) has red pulp surrounding the venous sinuses. 
E) has all of these characteristics. 
A) filters blood instead of lymph. 
B) contains macrophages in the red pulp that remove foreign substances and worn-out red blood cells. 
C) has white pulp surrounding the central arteries. 
D) has red pulp surrounding the venous sinuses. 
E) has all of these characteristics.

Question 12

In addition to symptoms of local inflammation,systemic inflammation may also

Accepted Answer

A) lead to production of pyrogens,which stimulate fever production. 
B) produce great increases in vascular permeability,causing increased entry of fluid into the blood. 
C) cause production of large quantities of antibodies by neutrophils. 
D) cause production of interferon in large quantities. 
E) cause a bluish color in the skin and mucous membranes. 
A) lead to production of pyrogens,which stimulate fever production. 
B) produce great increases in vascular permeability,causing increased entry of fluid into the blood. 
C) cause production of large quantities of antibodies by neutrophils. 
D) cause production of interferon in large quantities. 
E) cause a bluish color in the skin and mucous membranes.

Question 13

Which of the following is FALSE?

Accepted Answer

A) Cell mediated immunity is essential for fighting virus infected cells. 
B) There is positive feedback between the adaptive (specific)and innate (non-specific)immune responses. 
C) The antibody mediated immune response destroys or disables only free floating antigens or pathogens. 
D) Antigens are proteins or large polysaccharides either free floating or on the surface of a pathogen that initiate an immune response. 
E) Helper T cells divide into cytotoxic T cells which then produce antibodies. 
A) Cell mediated immunity is essential for fighting virus infected cells. 
B) There is positive feedback between the adaptive (specific)and innate (non-specific)immune responses. 
C) The antibody mediated immune response destroys or disables only free floating antigens or pathogens. 
D) Antigens are proteins or large polysaccharides either free floating or on the surface of a pathogen that initiate an immune response. 
E) Helper T cells divide into cytotoxic T cells which then produce antibodies.

Question 14

Helper T cells are activated

Accepted Answer

A) by cytokines. 
B) by macrophages and CD4. 
C) through costimulation. 
D) by antigens bound to the major histocompatibility complexes (MHCs). 
E) All of these are correct. 
A) by cytokines. 
B) by macrophages and CD4. 
C) through costimulation. 
D) by antigens bound to the major histocompatibility complexes (MHCs). 
E) All of these are correct.

Question 15

Antiserum administered for snakebite or spider bite would be an example of

Accepted Answer

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

Question 16

Which of the following is NOT a lymphatic organ?

Accepted Answer

A) spleen 
B) thymus 
C) tonsils 
D) pancreas 
E) lymph nodes 
A) spleen 
B) thymus 
C) tonsils 
D) pancreas 
E) lymph nodes

Question 17

Which of these processes assist in the transport of lymph from the lower limbs?

Accepted Answer

A) gravity 
B) contraction of facial muscles 
C) contraction of skeletal muscles surrounding lymph vessels 
D) contraction of smooth muscles in blood vessel walls 
E) None of these assist transport of lymph through lymph vessels. 
A) gravity 
B) contraction of facial muscles 
C) contraction of skeletal muscles surrounding lymph vessels 
D) contraction of smooth muscles in blood vessel walls 
E) None of these assist transport of lymph through lymph vessels.

Question 18

Protease inhibitors are drugs that interfere with

Accepted Answer

A) formation of viral DNA from viral RNA. 
B) formation of viral RNA from viral DNA. 
C) insertion of viral DNA into the host cell's DNA. 
D) insertion of host cell's DNA into the viral DNA. 
E) breakdown of large viral proteins into smaller proteins. 
A) formation of viral DNA from viral RNA. 
B) formation of viral RNA from viral DNA. 
C) insertion of viral DNA into the host cell's DNA. 
D) insertion of host cell's DNA into the viral DNA. 
E) breakdown of large viral proteins into smaller proteins.

Question 19

Cytotoxic T cells

Accepted Answer

A) divide to produce more cytotoxic T cells after activation. 
B) release cytokines. 
C) divide to produce memory T cells after activation. 
D) cause virus infected cells to lyse. 
E) All of these are true of cytotoxic T cells. 
A) divide to produce more cytotoxic T cells after activation. 
B) release cytokines. 
C) divide to produce memory T cells after activation. 
D) cause virus infected cells to lyse. 
E) All of these are true of cytotoxic T cells.

Question 20

The role of neutrophils during the inflammatory response includes:

Accepted Answer

A) the release of signals to recruit and activate other immune cells 
B) the production and release of antibodies 
C) the production and release of histamine 
D) the formation of thrombin for clots 
E) all of the above 
A) the release of signals to recruit and activate other immune cells 
B) the production and release of antibodies 
C) the production and release of histamine 
D) the formation of thrombin for clots 
E) all of the above

Chemical mediators of inflammation include all of these EXCEPT:

Why does an allergy to plant pollen cause inflammation in the respiratory tract and increases in mucus production?

Concerning activation of lymphocytes,

Functions of lymph nodes include

Antibody-mediated immunity is effective against

Which of the following functions in positive feedback between the adaptive and innate immune responses?

After cutting yourself severely on a can a week ago,you noticed that the inflamed area has not gone back down or lost its redness.Which of the following could account for the continued swelling and inflammation?

____________ involves production of plasma cells.

In addition to leaving the blood in response to an infection,monocytes/macrophages also

As we age,the thymus:

The spleen

In addition to symptoms of local inflammation,systemic inflammation may also

Which of the following is FALSE?

Helper T cells are activated

Antiserum administered for snakebite or spider bite would be an example of

Which of the following is NOT a lymphatic organ?

Which of these processes assist in the transport of lymph from the lower limbs?

Protease inhibitors are drugs that interfere with

Cytotoxic T cells

The role of neutrophils during the inflammatory response includes:

The Human Organism

The Chemical Basis of Life

Cell Structures and Their Functions

Tissues

Integumentary System

Skeletal System: Bones and Joints

Muscular System

Nervous System

Senses

Endocrine System

Blood

Heart

Blood Vessels and Circulation

Respiratory System

Digestive System

Nutrition, metabolism, and Body Temperature Regulation

Urinary System and Fluid Balance

Reproductive System

Development, heredity, and Aging

Filters

Exam 14: The Lymphatic System and Immunity

Chemical mediators of inflammation include all of these EXCEPT:

Why does an allergy to plant pollen cause inflammation in the respiratory tract and increases in mucus production?

Concerning activation of lymphocytes,

Functions of lymph nodes include

Antibody-mediated immunity is effective against

Which of the following functions in positive feedback between the adaptive and innate immune responses?

After cutting yourself severely on a can a week ago,you noticed that the inflamed area has not gone back down or lost its redness.Which of the following could account for the continued swelling and inflammation?

____________ involves production of plasma cells.

In addition to leaving the blood in response to an infection,monocytes/macrophages also

As we age,the thymus:

The spleen

In addition to symptoms of local inflammation,systemic inflammation may also

Which of the following is FALSE?

Helper T cells are activated

Antiserum administered for snakebite or spider bite would be an example of

Which of the following is NOT a lymphatic organ?

Which of these processes assist in the transport of lymph from the lower limbs?

Protease inhibitors are drugs that interfere with

Cytotoxic T cells

The role of neutrophils during the inflammatory response includes:

The Human Organism

The Chemical Basis of Life

Cell Structures and Their Functions

Tissues

Integumentary System

Skeletal System: Bones and Joints

Muscular System

Nervous System

Senses

Endocrine System

Blood

Heart

Blood Vessels and Circulation

Respiratory System

Digestive System

Nutrition, metabolism, and Body Temperature Regulation

Urinary System and Fluid Balance

Reproductive System

Development, heredity, and Aging

Filters