Question 1

Neutrophils use their own (DNA/RNA/TLR)in the formation of NETs to trap bacteria.

Accepted Answer

The answer of Neutrophils use their own (DNA/RNA/TLR)in the formation...

Question 2

Sweat glands produce (lysozyme/dermacidin/acid),which destroys the cell wall of bacteria by cleaving the bonds between the sugar subunits.

Accepted Answer

The answer of Sweat glands produce (lysozyme/dermacidin/acid),which destroys the cell...

Question 3

Mucous membranes are quite thin and fragile.How can such delicate tissue provide defense against microbial invaders?

Accepted Answer

A)  the mucus secreted by the mucous membrane physically traps microbes. 
B)  the mucus contains a variety of antimicrobial chemicals and molecules. 
C)  both the mucus and the outer layer of cells are shed frequently. 
D)  the mucus is a physical trap that contains a variety of antimicrobial chemicals. 
E)  the mucus physically traps microbes, contains a variety of antimicrobial chemicals, and is shed constantly, along with the outermost layer of cells. 
A)  the mucus secreted by the mucous membrane physically traps microbes. 
B)  the mucus contains a variety of antimicrobial chemicals and molecules. 
C)  both the mucus and the outer layer of cells are shed frequently. 
D)  the mucus is a physical trap that contains a variety of antimicrobial chemicals. 
E)  the mucus physically traps microbes, contains a variety of antimicrobial chemicals, and is shed constantly, along with the outermost layer of cells.

Question 4

Describe the events of the acute inflammatory response and their effect on a site of infection.Include the cells and chemicals involved.

Accepted Answer

The events of the acute inflammatory res

Question 5

Which of the following are among the activities of neutrophils?

Accepted Answer

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

Question 6

Which cell becomes a macrophage when leaving the bloodstream?

Accepted Answer

A)  monocyte 
B)  lymphocyte 
C)  basophil 
D)  eosinophil 
E)  neutrophil 
A)  monocyte 
B)  lymphocyte 
C)  basophil 
D)  eosinophil 
E)  neutrophil

Question 7

Neutrophils can kill bacteria by nonphagocytic mechanisms.

Accepted Answer

A) True 
 B)False

Question 8

Which of the following leukocytes have granules in their cytoplasm that stain blue with methylene blue?

Accepted Answer

A)  eosinophils 
B)  monocytes 
C)  lymphocytes 
D)  neutrophils 
E)  basophils 
A)  eosinophils 
B)  monocytes 
C)  lymphocytes 
D)  neutrophils 
E)  basophils

Question 9

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.

Question 10

Which of the following cells is a component of the body's first line defense?

Accepted Answer

A)  monocyte 
B)  goblet cell 
C)  NK cell 
D)  neutrophil 
E)  microglial cells 
A)  monocyte 
B)  goblet cell 
C)  NK cell 
D)  neutrophil 
E)  microglial cells

Question 11

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

Accepted Answer

A) True 
 B)False

Question 12

The alternative pathway of complement cascade activation begins with ________ binding to the surface of a microbe.

Accepted Answer

A)  C1 
B)  C3a 
C)  complement factor B 
D)  C5a 
E)  C5b 
A)  C1 
B)  C3a 
C)  complement factor B 
D)  C5a 
E)  C5b

Question 13

The first and second lines of defense against microbial invasion are part of

Accepted Answer

A)  innate immunity. 
B)  adaptive immunity. 
C)  species resistance. 
D)  microbial antagonism. 
E)  both species resistance and adaptive immunity. 
A)  innate immunity. 
B)  adaptive immunity. 
C)  species resistance. 
D)  microbial antagonism. 
E)  both species resistance and adaptive immunity.

Question 14

Response to specific pathogens that can improve with subsequent exposure is

Accepted Answer

A)  the first line of defense. 
B)  the second line of defense. 
C)  the third line of defense. 
D)  microbial antagonism. 
E)  innate immunity. 
A)  the first line of defense. 
B)  the second line of defense. 
C)  the third line of defense. 
D)  microbial antagonism. 
E)  innate immunity.

Question 15

The resident microbiota have no role in defense against pathogen invasion.

Accepted Answer

A) True 
 B)False

Exam 15: Innate Immunity

Neutrophils use their own (DNA/RNA/TLR)in the formation of NETs to trap bacteria.

Sweat glands produce (lysozyme/dermacidin/acid),which destroys the cell wall of bacteria by cleaving the bonds between the sugar subunits.

Mucous membranes are quite thin and fragile.How can such delicate tissue provide defense against microbial invaders?

Describe the events of the acute inflammatory response and their effect on a site of infection.Include the cells and chemicals involved.

Which of the following are among the activities of neutrophils?

Which cell becomes a macrophage when leaving the bloodstream?

Neutrophils can kill bacteria by nonphagocytic mechanisms.

Which of the following leukocytes have granules in their cytoplasm that stain blue with methylene blue?

Which of the following statements about eosinophil function is CORRECT?

Which of the following cells is a component of the body's first line defense?

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

The alternative pathway of complement cascade activation begins with ________ binding to the surface of a microbe.

The first and second lines of defense against microbial invasion are part of

Response to specific pathogens that can improve with subsequent exposure is

The resident microbiota have no role in defense against pathogen invasion.

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

Pathogenic Gram Positive Bacteria

Pathogenic Gram-Negative Cocci and Bacilli

Rickettsias, Chlamydias, Spirochetes, and Vibrios

Pathogenic Fungi

Parasitic Protozoa, Helminths, and Arthropod Vectors

Pathogenic DNA Viruses

Pathogenic RNA Viruses

Applied and Environmental Microbiology

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