Question 1

Which of these surface molecules on a Natural Killer cell contribute to perforin granzyme release? (Select all that apply)

Accepted Answer

A) MHC I 
B) MHC I receptor 
C) Activating receptor 
D) Activating ligand 
E) FCR receptor 
A) MHC I 
B) MHC I receptor 
C) Activating receptor 
D) Activating ligand 
E) FCR receptor

Question 2

Which of these would induce the liver to produce C-reactive protein?.

Accepted Answer

A) phosphatidyl choline. 
B) phosphatidyl inositol 
C) endotoxin 
D) peptidoglycan 
E) fungal cell wall components 
A) phosphatidyl choline. 
B) phosphatidyl inositol 
C) endotoxin 
D) peptidoglycan 
E) fungal cell wall components

Question 3

Which of these complement subunits possesses a catalytic capability?

Accepted Answer

A) C9b 
B) C4a 
C) C3a 
D) C2a 
E) C8a 
A) C9b 
B) C4a 
C) C3a 
D) C2a 
E) C8a

Question 4

Type one interferons play a major role in combating which of these infections?

Accepted Answer

A) protozoans 
B) Gram negative bacteria 
C) Gram positive bacteria 
D) viruses 
E) yeasts. 
A) protozoans 
B) Gram negative bacteria 
C) Gram positive bacteria 
D) viruses 
E) yeasts.

Question 5

The classical pathway of complement activation starts with the binding of C1 to the surface of the microbe by recognition of ANY of the following on the pathogen surface EXCEPT:

Accepted Answer

A) C-reactive protein. 
B) bound antibody. 
C) mannose-binding lectin. 
D) LPS of Gram negative bacteria. 
E) teichoic acids of Gram positive bacteria. 
A) C-reactive protein. 
B) bound antibody. 
C) mannose-binding lectin. 
D) LPS of Gram negative bacteria. 
E) teichoic acids of Gram positive bacteria.

Question 6

What might occur if the Cytomegalovirus (CMV)MHC I receptor analog protein was mutated? (Select all that apply)

Accepted Answer

A) Increased NK cell attack of CMV-infected cells 
B) Decreased NK cell attack of CMV-infected cells 
C) Transmission of an increased activation signal through the activating ligand to activating receptor pathway 
D) Transmission of a decreased activation signal through the activating ligand to activating receptor pathway 
E) No change would be expected 
A) Increased NK cell attack of CMV-infected cells 
B) Decreased NK cell attack of CMV-infected cells 
C) Transmission of an increased activation signal through the activating ligand to activating receptor pathway 
D) Transmission of a decreased activation signal through the activating ligand to activating receptor pathway 
E) No change would be expected

Question 7

An individual suffers a gentic disease whereby a protein of the complement cascade is not produced.Which protein deficiency would have the most significant adverse effect on immune health?

Accepted Answer

A) Lack of MBL surface complex 
B) Lack of Factor B 
C) Lack of Factor D 
D) Lack of C3 
E) All would have equivalent effects 
A) Lack of MBL surface complex 
B) Lack of Factor B 
C) Lack of Factor D 
D) Lack of C3 
E) All would have equivalent effects

Question 8

Which paired molecules have the same antimicrobial effects

Accepted Answer

A) Complement C1,peroxide 
B) Defensins,perforin 
C) Granzyme,perforin 
D) Lysozyme,nitrous oxide 
E) Protease,lysozyme 
A) Complement C1,peroxide 
B) Defensins,perforin 
C) Granzyme,perforin 
D) Lysozyme,nitrous oxide 
E) Protease,lysozyme

Question 9

Gram positive antibacterial effects are produced when invertebrates synthesize: (Select all that apply)

Accepted Answer

A) Metchnikovin 
B) Attacin 
C) Dipterin 
D) Drosomycin 
E) Defensin 
A) Metchnikovin 
B) Attacin 
C) Dipterin 
D) Drosomycin 
E) Defensin

Question 10

Which of these is an example of "non-sterile immunity"?

Accepted Answer

A) The complete destruction of the measles virus by the immune system response. 
B) The removal of a toxin from the body by a specific antibody response. 
C) Preventing the spread of Mycobacterium leprae by encasing it in nodules in the skin. 
D) Immunization against the polio virus for the development of a quick immune response to destroy the virus. 
E) Immune recognition and destruction of a Rhinovirus strain to which a person was previously exposed. 
A) The complete destruction of the measles virus by the immune system response. 
B) The removal of a toxin from the body by a specific antibody response. 
C) Preventing the spread of Mycobacterium leprae by encasing it in nodules in the skin. 
D) Immunization against the polio virus for the development of a quick immune response to destroy the virus. 
E) Immune recognition and destruction of a Rhinovirus strain to which a person was previously exposed.

Question 11

Type I interferons protect against microbial pathogens in all of the following ways EXCEPT:

Accepted Answer

A) Reduction in binding of viral mRNA 
B) Membrane receptor alterations 
C) Stimulation of natural killer cell production 
D) Ribonuclease activity 
E) Increased antibody production 
A) Reduction in binding of viral mRNA 
B) Membrane receptor alterations 
C) Stimulation of natural killer cell production 
D) Ribonuclease activity 
E) Increased antibody production

Question 12

All of the following are clinical signs of inflammation at the site of injury EXCEPT:

Accepted Answer

A) swelling. 
B) heat. 
C) constriction of blood vessels. 
D) redness. 
E) formation of pus. 
A) swelling. 
B) heat. 
C) constriction of blood vessels. 
D) redness. 
E) formation of pus.

Which of these surface molecules on a Natural Killer cell contribute to perforin granzyme release? (Select all that apply)

Which of these would induce the liver to produce C-reactive protein?.

Which of these complement subunits possesses a catalytic capability?

Type one interferons play a major role in combating which of these infections?

The classical pathway of complement activation starts with the binding of C1 to the surface of the microbe by recognition of ANY of the following on the pathogen surface EXCEPT:

What might occur if the Cytomegalovirus (CMV)MHC I receptor analog protein was mutated? (Select all that apply)

An individual suffers a gentic disease whereby a protein of the complement cascade is not produced.Which protein deficiency would have the most significant adverse effect on immune health?

Which paired molecules have the same antimicrobial effects

Gram positive antibacterial effects are produced when invertebrates synthesize: (Select all that apply)

Which of these is an example of "non-sterile immunity"?

Type I interferons protect against microbial pathogens in all of the following ways EXCEPT:

All of the following are clinical signs of inflammation at the site of injury EXCEPT:

The Microbial World

Bacteria

Eukaryal Microbes

Archaea

Viruses

Cultivating Microorganisms

DNA Replication and Gene Expression

Viral Replication Strategies

Bacterial Genetic Analysis

Microbial Genomics

Regulation of Gene Expression

Microbial Biotechnology

Metabolism

Biogeochemical Cycles

Microbial Ecosystems

The Microbiology of Food and Water

Microbial Symbionts

Introduction to Infectious Diseases

Adaptive Immunity

Virulence Factors and Pathogenic Mechanisms of Bacterial Infections

Viral Pathogenesis

Eukaryal Microbe Pathogenesis

Control of Infectious Diseases

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Exam 19: Innate Host Defenses Against Microbial Invasion

Which of these surface molecules on a Natural Killer cell contribute to perforin granzyme release? (Select all that apply)

Which of these would induce the liver to produce C-reactive protein?.

Which of these complement subunits possesses a catalytic capability?

Type one interferons play a major role in combating which of these infections?

The classical pathway of complement activation starts with the binding of C1 to the surface of the microbe by recognition of ANY of the following on the pathogen surface EXCEPT:

What might occur if the Cytomegalovirus (CMV)MHC I receptor analog protein was mutated? (Select all that apply)

An individual suffers a gentic disease whereby a protein of the complement cascade is not produced.Which protein deficiency would have the most significant adverse effect on immune health?

Which paired molecules have the same antimicrobial effects

Gram positive antibacterial effects are produced when invertebrates synthesize: (Select all that apply)

Which of these is an example of "non-sterile immunity"?

Type I interferons protect against microbial pathogens in all of the following ways EXCEPT:

All of the following are clinical signs of inflammation at the site of injury EXCEPT:

The Microbial World

Bacteria

Eukaryal Microbes

Archaea

Viruses

Cultivating Microorganisms

DNA Replication and Gene Expression

Viral Replication Strategies

Bacterial Genetic Analysis

Microbial Genomics

Regulation of Gene Expression

Microbial Biotechnology

Metabolism

Biogeochemical Cycles

Microbial Ecosystems

The Microbiology of Food and Water

Microbial Symbionts

Introduction to Infectious Diseases

Adaptive Immunity

Virulence Factors and Pathogenic Mechanisms of Bacterial Infections

Viral Pathogenesis

Eukaryal Microbe Pathogenesis

Control of Infectious Diseases

Filters