Question 1

Which of the following is not an event of phagocytosis?

Accepted Answer

A)  diapedesis
B)  chemotaxis
C)  phagolysosome formation
D)  destruction
E)  ingestionF) A) and B)
G) None of the above

Question 2

Genetic differences among species and within a species can convey genetic immunity to certain diseases.

Accepted Answer

A) True 
 B)False

Question 3

When monocytes migrate from the blood out to the tissues they are transformed by inflammatory mediators to develop into

Accepted Answer

A)  primary phagocytes.
B)  neutrophils.
C)  killer T cells.
D)  cytotoxic T cells.
E)  macrophages.F) A) and E)
G) B) and D)

Question 4

Which of the following lymphoid organs or tissues has the immunological function of filtering pathogens from the blood?

Accepted Answer

A)  lymph nodes
B)  thymus
C)  spleen
D)  GALT
E)  tonsilsF) B) and C)
G) B) and D)

Question 5

Which of the following is mismatched?

Accepted Answer

A)  interferon alpha and beta - inhibits viral replication
B)  interleukin-2 - stimulates T-cell mitosis and B-cell antibody production
C)  serotonin - causes smooth muscle contraction
D)  prostaglandins - activate eosinophils and B cells
E)  tumor necrosis factor - increases chemotaxis and phagocytosisF) A) and B)
G) A) and C)

Question 6

Which gland shrinks in size during adulthood and has hormones that function in maturation of T lymphocytes?

Accepted Answer

A)  lymph nodes
B)  thymus
C)  spleen
D)  GALT
E)  tonsilsF) A) and C)
G) A) and B)

Question 7

Which of the following is not a type of phagocyte?

Accepted Answer

A)  neutrophil
B)  macrophage
C)  Kupffer cell
D)  monocyte
E)  lymphocyteF) B) and C)
G) B) and D)

Question 8

Endotoxin is an exogenous pyrogen.

Accepted Answer

A) True 
 B)False

Question 9

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) B) and D)
G) A) and B)

Question 10

Plasma is also called lymph.

Accepted Answer

A) True 
 B)False

Question 11

Which of the following is in the correct order from greatest to least phagocytic activity?

Accepted Answer

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

Question 12

Nonspecific chemical defenses include

Accepted Answer

A)  lysozyme.
B)  lactic acid and electrolytes of sweat.
C)  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 13

Certain complement components stimulate inflammation and phagocytosis.

Accepted Answer

A) True 
 B)False

Question 14

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) D) and E)
G) A) and B)

Question 15

Please read the clinical scenario, and then answer the question that follow to become familiar with the traditional NCLEX question format.
  Mario is a 35-year-old male who has come into your ER with a laceration to his left hand. According to Mario, he was working on home renovations in his 1945 city bungalow, when an old board fell from a shelf and injured his hand. The laceration is a cut about 3 inches long, but fairly shallow. It appears that it was bleeding pretty heavily, but he has stopped the bleeding by holding pressure on it with an old t-shirt. He said it happened about an hour ago. 
-Mario asks you why the laceration is puffy,and has become fairly itchy.What is an accurate response?

Accepted Answer

A)  "This is a normal response to injury.Blood has rushed to the area,fluid is leaking from the damaged vessels,and chemical mediators called cytokines are causing you to itch."
B)  "This is a normal response to the injury.Your body is building up pressure around the wound to stop the bleeding,and you're probably itchy because the wood had something on it that you are allergic to."
C)  "This is not what I was expecting.I'll call the doctor now to lance the swollen flesh,and in the meantime,I'll apply calamine lotion to the wound."
D)  "This is not what I was expecting.Edema and pruritus are early signs of gangrene.I'll have the doctor start you on antibiotics right away.Also,hold your hand above your heart to decrease blood flow to the area."E) All of the above
F) B) and D)

Question 16

Keratin is an important aspect of nonspecific defense because it

Accepted Answer

A)  is toxic to pathogens.
B)  creates a physical barrier against pathogens.
C)  destroys pathogens.
D)  physically restricts pathogens to a specific region.
E)  None of the choices is correct.F) B) and D)
G) C) and D)

Question 17

Each of the following is involved in the migration of white blood cells except

Accepted Answer

A)  chemotaxis.
B)  diapedesis.
C)  motility.
D)  vasodilatation.
E)  phagocytosis.F) C) and E)
G) A) and E)

Question 18

Histamine,serotonin,and bradykinin are all

Accepted Answer

A)  vasoactive mediators.
B)  mediators of B-cell activity.
C)  mediators of T-cell activity.
D)  mediators that increase chemotaxis.
E)  fever inducers.F) A) and E)
G) A) and B)

Question 19

What structures are found along lymphatic vessels and are heavily clustered in the armpit,groin,and neck?

Accepted Answer

A)  lymph nodes
B)  thymus
C)  spleen
D)  GALT
E)  tonsilsF) A) and E)
G) A) and C)

Question 20

B lymphocytes and T lymphocytes mature in the thymus gland.

Accepted Answer

A) True 
 B)False

Exam 12: Host Defenses I: Overview and Nonspecific Defenses

Which of the following lymphoid organs or tissues has the immunological function of filtering pathogens from the blood?

Correct Answer
verified

Certain complement components stimulate inflammation and phagocytosis.

Correct Answer
verified

Each of the following is involved in the migration of white blood cells except

Correct Answer
verified

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

Correct Answer
verified

B lymphocytes and T lymphocytes mature in the thymus gland.

Correct Answer
verified

Nonspecific chemical defenses include

Correct Answer
verified

Correct Answer
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Plasma is also called lymph.

Correct Answer
verified

Which of the following is not an event of phagocytosis?

Correct Answer
verified

Diapedesis is the

Correct Answer
verified

Keratin is an important aspect of nonspecific defense because it

Correct Answer
verified

Endotoxin is an exogenous pyrogen.

Correct Answer
verified

When monocytes migrate from the blood out to the tissues they are transformed by inflammatory mediators to develop into

Correct Answer
verified

Which of the following is not a type of phagocyte?

Correct Answer
verified

Which of the following is in the correct order from greatest to least phagocytic activity?

Correct Answer
verified

Histamine,serotonin,and bradykinin are all

Correct Answer
verified

Genetic differences among species and within a species can convey genetic immunity to certain diseases.

Correct Answer
verified

Which gland shrinks in size during adulthood and has hormones that function in maturation of T lymphocytes?

Correct Answer
verified

What structures are found along lymphatic vessels and are heavily clustered in the armpit,groin,and neck?

Correct Answer
verified

Which of the following is mismatched?

Correct Answer
verified

Exam 12: Host Defenses I: Overview and Nonspecific Defenses

Which of the following lymphoid organs or tissues has the immunological function of filtering pathogens from the blood?

Correct AnswerverifiedShow Answer

Certain complement components stimulate inflammation and phagocytosis.

Correct AnswerverifiedShow Answer

Each of the following is involved in the migration of white blood cells except

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

B lymphocytes and T lymphocytes mature in the thymus gland.

Correct AnswerverifiedShow Answer

Nonspecific chemical defenses include

Correct AnswerverifiedShow Answer

Correct AnswerverifiedShow Answer

Plasma is also called lymph.

Correct AnswerverifiedShow Answer

Which of the following is not an event of phagocytosis?

Correct AnswerverifiedShow Answer

Diapedesis is the

Correct AnswerverifiedShow Answer

Keratin is an important aspect of nonspecific defense because it

Correct AnswerverifiedShow Answer

Endotoxin is an exogenous pyrogen.

Correct AnswerverifiedShow Answer

When monocytes migrate from the blood out to the tissues they are transformed by inflammatory mediators to develop into

Correct AnswerverifiedShow Answer

Which of the following is not a type of phagocyte?

Correct AnswerverifiedShow Answer

Which of the following is in the correct order from greatest to least phagocytic activity?

Correct AnswerverifiedShow Answer

Histamine,serotonin,and bradykinin are all

Correct AnswerverifiedShow Answer

Genetic differences among species and within a species can convey genetic immunity to certain diseases.

Correct AnswerverifiedShow Answer

Which gland shrinks in size during adulthood and has hormones that function in maturation of T lymphocytes?

Correct AnswerverifiedShow Answer

What structures are found along lymphatic vessels and are heavily clustered in the armpit,groin,and neck?

Correct AnswerverifiedShow Answer

Which of the following is mismatched?

Correct AnswerverifiedShow Answer

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