Question 1

Acute inflammation is normally beneficial.

Accepted Answer

A) True 
 B)False

Question 2

The growth of some microbes is inhibited by elevated body temperature.

Accepted Answer

A) True 
 B)False

Question 3

Which of the following is an iron-binding protein produced by pathogens to access the body's store of iron?

Accepted Answer

A)  gastroferritin 
B)  hemolysin 
C)  ferritin 
D)  transferrin 
E)  siderophores 
A)  gastroferritin 
B)  hemolysin 
C)  ferritin 
D)  transferrin 
E)  siderophores

Question 4

The (epithelial/goblet/mucous) cells in the tracheal mucous membrane produce mucus.

Accepted Answer

The answer of The (epithelial/goblet/mucous) cells in the tracheal mucous...

Question 5

Which of the following are phagocytic cells descended from monocytes?

Accepted Answer

A)  alveolar macrophages 
B)  dendritic cells 
C)  microglial cells 
D)  alveolar macrophages and dendritic cells 
E)  alveolar macrophages and microglial cells 
A)  alveolar macrophages 
B)  dendritic cells 
C)  microglial cells 
D)  alveolar macrophages and dendritic cells 
E)  alveolar macrophages and microglial cells

Question 6

How does aspirin act to decrease the symptoms of inflammation?

Accepted Answer

A)  it acts as an antiprostaglandin. 
B)  it is an antitoxoid for most microbial toxins. 
C)  it prevents complement activation. 
D)  it interferes with the action of interferons. 
E)  it blocks the release of histamine. 
A)  it acts as an antiprostaglandin. 
B)  it is an antitoxoid for most microbial toxins. 
C)  it prevents complement activation. 
D)  it interferes with the action of interferons. 
E)  it blocks the release of histamine.

Question 7

Which of the following are among the activities of neutrophils?

Accepted Answer

A)  formation of neutrophil extracellular traps 
B)  release of histamines 
C)  enzyme production that leads to the formation of nitric oxide 
D)  formation of neutrophil extracellular traps and release of histamines 
E)  formation of neutrophil extracellular traps and production of nitric oxide 
A)  formation of neutrophil extracellular traps 
B)  release of histamines 
C)  enzyme production that leads to the formation of nitric oxide 
D)  formation of neutrophil extracellular traps and release of histamines 
E)  formation of neutrophil extracellular traps and production of nitric oxide

Question 8

Which of the following is NOT an example of a walled-off site of infection that contains a fluid made of dead and dying tissue cells, leukocytes, and pathogens?

Accepted Answer

A)  a boil 
B)  an abscess 
C)  a pimple 
D)  a pustule 
E)  a tumor 
A)  a boil 
B)  an abscess 
C)  a pimple 
D)  a pustule 
E)  a tumor

Question 9

A type of lymphocyte called a(n) ________ detects cells with abnormal surface proteins and kills them.

Accepted Answer

A)  eosinophil 
B)  NK cell 
C)  neutrophil 
D)  basophil 
E)  mast cell 
A)  eosinophil 
B)  NK cell 
C)  neutrophil 
D)  basophil 
E)  mast cell

Question 10

Microbial molecules detected by phagocytes are called

Accepted Answer

A)  TLRs. 
B)  NODs. 
C)  PAMPs. 
D)  leukotrienes. 
E)  prostaglandins. 
A)  TLRs. 
B)  NODs. 
C)  PAMPs. 
D)  leukotrienes. 
E)  prostaglandins.

Question 11

The absence of necessary receptors is the basis of the defense against microbial invasion known as (natural/innate/species) resistance.

Accepted Answer

The answer of The absence of necessary receptors is the...

Question 12

The components of the second line of defense against microbes may be characterized as

Accepted Answer

A)  responders to invasion. 
B)  passive barriers. 
C)  mechanisms to strengthen the first line of defense. 
D)  detecting the unique features of specific pathogens. 
E)  both passive barriers and detecting specific pathogen features. 
A)  responders to invasion. 
B)  passive barriers. 
C)  mechanisms to strengthen the first line of defense. 
D)  detecting the unique features of specific pathogens. 
E)  both passive barriers and detecting specific pathogen features.

Question 13

Proteins produced by the innate immune response to fight virus infection are (complement/interferons/opsonins).

Accepted Answer

The answer of Proteins produced by the innate immune response...

Question 14

Which of the following statements regarding phagocyte recognition of pathogens is true?

Accepted Answer

A)  TLRs in the phagocyte cytoplasmic membrane bind surface structures of microbes. 
B)  TLRs on the surface of microbes trigger the accumulation of opsonins. 
C)  Lectins on the surface of microbes are bound by chemokine receptors. 
D)  NOD proteins on the surface of microbes are detected by TLRs. 
E)  MACs on the surface of microbes are detected by NOD proteins. 
A)  TLRs in the phagocyte cytoplasmic membrane bind surface structures of microbes. 
B)  TLRs on the surface of microbes trigger the accumulation of opsonins. 
C)  Lectins on the surface of microbes are bound by chemokine receptors. 
D)  NOD proteins on the surface of microbes are detected by TLRs. 
E)  MACs on the surface of microbes are detected by NOD proteins.

Question 15

Which of the following statements about eosinophil function is CORRECT?

Accepted Answer

A)  They produce defensins. 
B)  They secrete toxins onto virally infected cells. 
C)  They are involved in the removal of neoplastic cells. 
D)  They attach to the surface of parasitic helminths and produce toxins that kill the parasite. 
E)  They identify and spare normal cells. 
A)  They produce defensins. 
B)  They secrete toxins onto virally infected cells. 
C)  They are involved in the removal of neoplastic cells. 
D)  They attach to the surface of parasitic helminths and produce toxins that kill the parasite. 
E)  They identify and spare normal cells.

Exam 15: Innate Immunity

Acute inflammation is normally beneficial.

The growth of some microbes is inhibited by elevated body temperature.

Which of the following is an iron-binding protein produced by pathogens to access the body's store of iron?

The (epithelial/goblet/mucous) cells in the tracheal mucous membrane produce mucus.

Which of the following are phagocytic cells descended from monocytes?

How does aspirin act to decrease the symptoms of inflammation?

Which of the following are among the activities of neutrophils?

Which of the following is NOT an example of a walled-off site of infection that contains a fluid made of dead and dying tissue cells, leukocytes, and pathogens?

A type of lymphocyte called a(n) ________ detects cells with abnormal surface proteins and kills them.

Microbial molecules detected by phagocytes are called

The absence of necessary receptors is the basis of the defense against microbial invasion known as (natural/innate/species) resistance.

The components of the second line of defense against microbes may be characterized as

Proteins produced by the innate immune response to fight virus infection are (complement/interferons/opsonins).

Which of the following statements regarding phagocyte recognition of pathogens is true?

Which of the following statements about eosinophil function is CORRECT?

A Brief History of Microbiology

The Chemistry of Microbiology

Cell Structure and Function

Microscopy, Staining, and Classification

Microbial Metabolism

Microbial Nutrition and Growth

Microbial Genetics

Recombinant DNA Technology

Controlling Microbial Growth in the Environment

Controlling Microbial Growth in the Body: Antimicrobial Drugs

Characterizing and Classifying Prokaryotes

Characterizing and Classifying Eukaryotes

Characterizing and Classifying Viruses, Viroids, and Prions

Infection, Infectious Diseases, and Epidemiology

Adaptive Immunity

Immunization and Immune Testing

Immune Disorders

Microbial Diseases of the Skin and Wounds

Microbial Diseases of the Nervous System and Eyes

Microbial Cardiovascular and Systemic Diseases

Microbial Diseases of the Respiratory System

Microbial Diseases of the Digestive System

Microbial Diseases of the Urinary and Reproductive Systems

Applied and Industrial Microbiology

Microbial Ecology and Microbiomes

Filters