Question 1

Your 81 year old grandfather has been diagnosed with cancer of the thymus.The doctor is urging surgical removal of the cancer,but you and the family are worried about the consequences of removing an entire organ such as the thymus.Which statement is correct?

Accepted Answer

A)  Your grandfather would not be able to produce complement proteins necessary for pathogen control and inflammation.
B)  Your grandfather will have a loss of T lymphocytes,and will have an immune deficiency.
C)  Your grandfather would not have sufficient phagocytic cells and would not be able to contain bacterial infections.
D)  There is nothing to worry about: the thymus will not affect your grandfather's immune status at his age.E) C) and D)
F) None of the above

Question 2

The granules of basophils contain

Accepted Answer

A)  antibodies.
B)  antigens.
C)  digestive enzymes.
D)  histamine.
E)  lysozyme.F) A) and E)
G) A) and D)

Question 3

Which protein can be produced by a virus-infected cell,in order to communicate with other cells that need to produce antiviral proteins?

Accepted Answer

A)  complement
B)  albumin
C)  interferon
D)  histamine
E)  lysozymeF) A) and D)
G) C) and D)

Question 4

Your little girl has a hereditary deficiency of C1.What problems would she be likely to have?

Accepted Answer

A)  The B and T lymphocytes would not function properly.
B)  Bone marrow could not produce white blood cells well.
C)  She would have a greater number of bacterial and viral infections.
D)  The phagocytic cells could not recognize the pathogen-associated molecular patterns (PAMPs) on the pathogens.E) B) and D)
F) B) and C)

Question 5

Monocytes and lymphocytes are agranular leukocytes.

Accepted Answer

A) True 
 B)False

Question 6

A person will typically experience the sensation of _____ when fever is starting to occur in the body.

Accepted Answer

A)  heat
B)  pain
C)  chill
D)  sweatE) A) and C)
F) All of the above

Question 7

A properly functioning immune system is responsible for

Accepted Answer

A)  surveillance of the body.
B)  recognition of foreign material.
C)  destruction of foreign material.
D)  Both recognition of foreign material and destruction of foreign material are correct.
E)  All of the choices are correct.F) B) and E)
G) A) and E)

Question 8

During inflammation,a high neutrophil count is a common sign of bacterial infection.

Accepted Answer

A) True 
 B)False

Question 9

What type of molecules act to draw phagocytes to foreign substances?

Accepted Answer

A)  MALTs
B)  RES
C)  PAMPs
D)  BALTs
E)  IFNsF) C) and D)
G) B) and E)

Question 10

Which of the following fluid compartments is not a partner in immune function?

Accepted Answer

A)  blood stream
B)  extracellular fluid
C)  lymphatic system
D)  intracellular fluidE) B) and C)
F) All of the above

Question 11

Neutrophils,eosinophils,and basophils are called _____ because they have prominent cytoplasmic inclusions that,in a stained blood smear,appear with identifying,characteristic colors.

Accepted Answer

A)  leukocytes
B)  granulocytes
C)  agranulocytes
D)  monocytesE) A) and C)
F) B) and C)

Question 12

Which of the following is a chemical used by phagocytes to destroy ingested foreign substances?

Accepted Answer

A)  hydrogen peroxide
B)  nitric oxide
C)  lactic acid
D)  superoxide anion
E)  All of these are used.F) A) and B)
G) A) and C)

Question 13

Immune system cells differentiate between self and foreign cells by their

Accepted Answer

A)  cell walls.
B)  shapes.
C)  markers.
D)  sizes.
E)  cell processes.F) B) and C)
G) A) and D)

Question 14

Place the following in order of greatest to least phagocytic activity: neutrophils,eosinophils,macrophages

Accepted Answer

A)  neutrophils,eosinophils,macrophages
B)  neutrophils,macrophages,eosinophils
C)  eosinophils,macrophages,neutrophils
D)  macrophages,neutrophils,eosinophils
E)  macrophages,eosinophils,neutrophilsF) A) and B)
G) B) and E)

Question 15

All of the following pertain to interferon except

Accepted Answer

A)  is a protein.
B)  is produced by certain white blood cells and tissue cells.
C)  includes alpha,beta,and gamma types.
D)  inhibits viruses,tumors,and cancer gene expression.
E)  increases capillary permeability and vasodilation.F) B) and C)
G) A) and E)

Question 16

Which of the following is incorrect about complement?

Accepted Answer

A)  composed of at least 20 blood proteins
B)  only appears in the blood during a response to a pathogen
C)  acts in a cascade reaction
D)  involves a classical pathway
E)  involves an alternate pathwayF) C) and D)
G) C) and E)

Question 17

Nonspecific chemical defenses include

Accepted Answer

A)  lysozyme.
B)  lactic acid and electrolytes of sweat.
C)  the skin's acidic pH and fatty acids.
D)  stomach hydrochloric acid.
E)  All of the choices are correct.F) A) and E)
G) A) and D)

Question 18

The lymphoid tissues of the intestinal tract are collectively referred to as

Accepted Answer

A)  lymph nodes.
B)  thymus.
C)  spleen.
D)  GALT
E)  tonsils.F) B) and E)
G) B) and D)

Question 19

Which of the following is mismatched in relation to inflammation?

Accepted Answer

A)  rubor - redness
B)  calor - warmth
C)  tumor - cancer
D)  dolar - painE) A) and D)
F) A) and C)

Question 20

Diapedesis is the

Accepted Answer

A)  loss of blood due to hemorrhaging.
B)  production of only red blood cells.
C)  production of white blood cells,red blood cells,and platelets.
D)  plugging of broken vessels to stop bleeding.
E)  migration of white blood cells from the blood,out to the tissues.F) C) and E)
G) C) and D)

Exam 14: Host Defenses I: Overview and Nonspecific Defenses

Which protein can be produced by a virus-infected cell,in order to communicate with other cells that need to produce antiviral proteins?

Correct AnswerverifiedShow Answer

Which of the following is a chemical used by phagocytes to destroy ingested foreign substances?

Correct AnswerverifiedShow Answer

Which of the following fluid compartments is not a partner in immune function?

Correct AnswerverifiedShow Answer

The lymphoid tissues of the intestinal tract are collectively referred to as

Correct AnswerverifiedShow Answer

What type of molecules act to draw phagocytes to foreign substances?

Correct AnswerverifiedShow Answer

Nonspecific chemical defenses include

Correct AnswerverifiedShow Answer

Your little girl has a hereditary deficiency of C1.What problems would she be likely to have?

Correct AnswerverifiedShow Answer

Monocytes and lymphocytes are agranular leukocytes.

Correct AnswerverifiedShow Answer

During inflammation,a high neutrophil count is a common sign of bacterial infection.

Correct AnswerverifiedShow Answer

A properly functioning immune system is responsible for

Correct AnswerverifiedShow Answer

Diapedesis is the

Correct AnswerverifiedShow Answer

Immune system cells differentiate between self and foreign cells by their

Correct AnswerverifiedShow Answer

Neutrophils,eosinophils,and basophils are called _____ because they have prominent cytoplasmic inclusions that,in a stained blood smear,appear with identifying,characteristic colors.

Correct AnswerverifiedShow Answer

Place the following in order of greatest to least phagocytic activity: neutrophils,eosinophils,macrophages

Correct AnswerverifiedShow Answer

Your 81 year old grandfather has been diagnosed with cancer of the thymus.The doctor is urging surgical removal of the cancer,but you and the family are worried about the consequences of removing an entire organ such as the thymus.Which statement is correct?

Correct AnswerverifiedShow Answer

All of the following pertain to interferon except

Correct AnswerverifiedShow Answer

Which of the following is incorrect about complement?

Correct AnswerverifiedShow Answer

Which of the following is mismatched in relation to inflammation?

Correct AnswerverifiedShow Answer

A person will typically experience the sensation of _____ when fever is starting to occur in the body.

Correct AnswerverifiedShow Answer

The granules of basophils contain

Correct AnswerverifiedShow Answer

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