D311 Microbiology Exam Questions With
Correct Answers
Which vaccine type has the advantages of producing long-lasting
cellular and humoral immunity and allowing transmission to contacts?
live attenuated
Broad-spectrum antibiotics disrupt the microbiome and provide an
opportunity for pathogens such as Clostridium difficile to grow and
cause infection. How can the microbiome be quickly reestablished to
prevent a Clostridium difficile infection?
fecal transplant
When would it be best to treat a patient with a narrow-spectrum
antimicrobial rather than a broad-spectrum antimicrobial?
when the infectious agent has been identified as a gram-negative
bacterium
Which outcome is a direct result of the increased "leakiness" of
capillaries during inflammation?
edema
, Which describes a mutualistic relationship?
Ruminococcus species using nutrients from a cow's diet to digest plant
cellulose in the rumen
Which viral virulence factor requires adjustments to the influenza
vaccine annually?
antigenic variation
A bacterial pathogen is found growing in the bloodstream of a patient.
Which diagnosis is correct for this finding?
septicemia
Why is desiccation or dehydration an effective method of microbial
control?
Water concentration decreases below what is required for microbial
survival
Which virulence factor produced by Pesudomonas aeruginosa gives off
a fruity odor?
pyocyanin
Correct Answers
Which vaccine type has the advantages of producing long-lasting
cellular and humoral immunity and allowing transmission to contacts?
live attenuated
Broad-spectrum antibiotics disrupt the microbiome and provide an
opportunity for pathogens such as Clostridium difficile to grow and
cause infection. How can the microbiome be quickly reestablished to
prevent a Clostridium difficile infection?
fecal transplant
When would it be best to treat a patient with a narrow-spectrum
antimicrobial rather than a broad-spectrum antimicrobial?
when the infectious agent has been identified as a gram-negative
bacterium
Which outcome is a direct result of the increased "leakiness" of
capillaries during inflammation?
edema
, Which describes a mutualistic relationship?
Ruminococcus species using nutrients from a cow's diet to digest plant
cellulose in the rumen
Which viral virulence factor requires adjustments to the influenza
vaccine annually?
antigenic variation
A bacterial pathogen is found growing in the bloodstream of a patient.
Which diagnosis is correct for this finding?
septicemia
Why is desiccation or dehydration an effective method of microbial
control?
Water concentration decreases below what is required for microbial
survival
Which virulence factor produced by Pesudomonas aeruginosa gives off
a fruity odor?
pyocyanin
