Question 1

An example of a TLR would be peptidoglycan found in the cell wall of gram- positive bacteria.

Accepted Answer

A) True 
 B)False

Question 2

Which of the following statements is TRUE?

Accepted Answer

A)   Alpha interferon promotes phagocytosis.
B)   Beta interferon attacks invading viruses.
C)   Alpha interferon acts against specific viruses.
D)   All three types of interferons have the same effect on the body.
E)   Gamma interferon causes bactericidal activity by macrophages.F) A) and D)
G) C) and E)

Question 3

Phagocytes utilize all of the following to optimize interaction with microorganisms EXCEPT

Accepted Answer

A)   chemotaxis.
B)   complement.
C)   opsonization.
D)   trapping a bacterium against a rough surface.
E)   lysozyme.F) B) and E)
G) All of the above

Question 4

Which of the following statements about fixed macrophages is FALSE?

Accepted Answer

A)   They gather at sites of infection.
B)   They are found in certain tissues and organs.
C)   They develop from neutrophils.
D)   They are mature monocytes.
E)   They are cells of the mononuclear phagocytic system.F) A) and E)
G) A) and D)

Question 5

Which of the following is an effect of opsonization?

Accepted Answer

A)   increased margination of phagocytes
B)   cytolysis
C)   inflammation
D)   increased diapedesis of phagocytes
E)   increased adherence of phagocytes to microorganismsF) C) and E)
G) A) and C)

Question 6

Several inherited deficiencies in the complement system occur in humans. Which of the following would be the MOST severe?

Accepted Answer

A)   deficiency of C3
B)   deficiency of C5
C)   deficiency of C6
D)   deficiency of C7
E)   deficiency of C8F) A) and D)
G) B) and D)

Question 7

All of the following are iron- binding proteins found in humans EXCEPT

Accepted Answer

A)   ferritin.
B)   transferrin.
C)   siderophorin.
D)   hemoglobin.
E)   lactoferrin.F) A) and B)
G) A) and C)

Question 8

Innate immunity includes all of the following EXCEPT

Accepted Answer

A)   activation of complement.
B)   phagocytosis.
C)   inflammation.
D)   production of interferon.
E)   production of antibody.F) C) and E)
G) B) and E)

Question 9

The swelling associated with inflammation decreases when the fluid

Accepted Answer

A)   is transported into macrophages.
B)   goes into lymph capillaries.
C)   is lost as perspiration.
D)   is excreted in urine.
E)   returns to the blood.F) A) and D)
G) A) and E)

Question 10

The antimicrobial effects of AMPs include all of the following EXCEPT

Accepted Answer

A)   pore formation in bacterial membranes.
B)   destruction of nucleic acids.
C)   inhibition of cell wall synthesis.
D)   lysis of bacterial cells.
E)   inhibition of phagocytosis.F) B) and C)
G) None of the above

Question 11

Maturation of stem cells into mature blood cells occurs in the red bone marrow.

Accepted Answer

A) True 
 B)False

Question 12

Explain how each of the following avoids being killed by phagocytes.
a. Streptococcus pneumoniae
b. Mycobacterium tuberculosis
c. Streptococcus pyogenes
d. Shigella dysenteriae

Accepted Answer

a. Streptococcus pneumoniae avoids being...

Question 13

The complement protein cascade is the same for the classical pathway, alternative pathway, and lectin pathway beginning with the activation of

Accepted Answer

A)   C1.
B)   C2.
C)   C3.
D)   C5.
E)   C6.F) C) and D)
G) B) and E)

Question 14

Each of the following is an effect of complement activation EXCEPT

Accepted Answer

A)   interference with viral replication.
B)   bacterial cell lysis.
C)   opsonization.
D)   increased blood vessel permeability.
E)   increased phagocytic activity.F) C) and D)
G) B) and E)

Question 15

Lysozyme and the antibiotic penicillin have similar mechanisms of action in that they both cause damage to the bacterial

Accepted Answer

A)   DNA.
B)   cell membrane.
C)   ribosomes.
D)   capsule.
E)   cell wall.F) A) and C)
G) A) and B)

Question 16

Margination refers to

Accepted Answer

A)   the chemotactic response of phagocytes.
B)   the adherence of phagocytes to microorganisms.
C)   dilation of blood vessels.
D)   the movement of phagocytes through walls of blood vessels.
E)   adherence of phagocytes to the lining of blood vessels.F) B) and D)
G) A) and D)

Question 17

All of the following are effects of histamine EXCEPT

Accepted Answer

A)   isolation of an injurious agent.
B)   repair of damaged tissue.
C)   production of antibodies.
D)   removal of an injurious agent.
E)   destruction of an injurious agent.F) A) and D)
G) A) and B)

Exam 16: Innate Immunity: Nonspecific Defenses of the Host

All of the following are iron- binding proteins found in humans EXCEPT

Correct Answer
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Which of the following is an effect of opsonization?

Correct Answer
verified

Margination refers to

Correct Answer
verified

The swelling associated with inflammation decreases when the fluid

Correct Answer
verified

Which of the following statements about fixed macrophages is FALSE?

Correct Answer
verified

The antimicrobial effects of AMPs include all of the following EXCEPT

Correct Answer
verified

An example of a TLR would be peptidoglycan found in the cell wall of gram- positive bacteria.

Correct Answer
verified

Innate immunity includes all of the following EXCEPT

Correct Answer
verified

Maturation of stem cells into mature blood cells occurs in the red bone marrow.

Correct Answer
verified

Lysozyme and the antibiotic penicillin have similar mechanisms of action in that they both cause damage to the bacterial

Correct Answer
verified

Explain how each of the following avoids being killed by phagocytes. a. Streptococcus pneumoniae b. Mycobacterium tuberculosis c. Streptococcus pyogenes d. Shigella dysenteriae

Correct Answer
Answered by ExamLex AI
a. Streptococcus pneumoniae avoids being...
View Answer

The complement protein cascade is the same for the classical pathway, alternative pathway, and lectin pathway beginning with the activation of

Correct Answer
verified

Each of the following is an effect of complement activation EXCEPT

Correct Answer
verified

Which of the following statements is TRUE?

Correct Answer
verified

All of the following are effects of histamine EXCEPT

Correct Answer
verified

Several inherited deficiencies in the complement system occur in humans. Which of the following would be the MOST severe?

Correct Answer
verified

Phagocytes utilize all of the following to optimize interaction with microorganisms EXCEPT

Correct Answer
verified

Exam 16: Innate Immunity: Nonspecific Defenses of the Host

All of the following are iron- binding proteins found in humans EXCEPT

Correct AnswerverifiedShow Answer

Which of the following is an effect of opsonization?

Correct AnswerverifiedShow Answer

Margination refers to

Correct AnswerverifiedShow Answer

The swelling associated with inflammation decreases when the fluid

Correct AnswerverifiedShow Answer

Which of the following statements about fixed macrophages is FALSE?

Correct AnswerverifiedShow Answer

The antimicrobial effects of AMPs include all of the following EXCEPT

Correct AnswerverifiedShow Answer

An example of a TLR would be peptidoglycan found in the cell wall of gram- positive bacteria.

Correct AnswerverifiedShow Answer

Innate immunity includes all of the following EXCEPT

Correct AnswerverifiedShow Answer

Maturation of stem cells into mature blood cells occurs in the red bone marrow.

Correct AnswerverifiedShow Answer

Lysozyme and the antibiotic penicillin have similar mechanisms of action in that they both cause damage to the bacterial

Correct AnswerverifiedShow Answer

Explain how each of the following avoids being killed by phagocytes. a. Streptococcus pneumoniae b. Mycobacterium tuberculosis c. Streptococcus pyogenes d. Shigella dysenteriae

Correct AnswerAnswered by ExamLex AIa. Streptococcus pneumoniae avoids being...View AnswerShow Answer

The complement protein cascade is the same for the classical pathway, alternative pathway, and lectin pathway beginning with the activation of

Correct AnswerverifiedShow Answer

Each of the following is an effect of complement activation EXCEPT

Correct AnswerverifiedShow Answer

Which of the following statements is TRUE?

Correct AnswerverifiedShow Answer

All of the following are effects of histamine EXCEPT

Correct AnswerverifiedShow Answer

Several inherited deficiencies in the complement system occur in humans. Which of the following would be the MOST severe?

Correct AnswerverifiedShow Answer

Phagocytes utilize all of the following to optimize interaction with microorganisms EXCEPT

Correct AnswerverifiedShow Answer

Correct Answer
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Correct Answer
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Correct Answer
Answered by ExamLex AI
a. Streptococcus pneumoniae avoids being...
View Answer

Correct Answer
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Correct Answer
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Correct Answer
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Correct Answer
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Correct Answer
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Correct Answer
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