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MICR290 FINAL EXAM 2025/ 2026 ACTUAL EXAM 2
VERSIONS (VERSION A AND B) COMPLETE EXAM
QUESTIONS WITH DETAILED VERIFIED ANSWERS
(100% CORRECT ANSWERS) /ALREADY GRADED
A+||LATEST EXAM!!!
Which of the following is NOT typically part of the normal
microbiota of the skin?
a. Gram-positive aerobic cocci
b. diphtheroid bacteria
c. enterococci
d. yeast - Answer-c. enterococci
The key term of the question is referring to organisms of
the skin. Which of the listed answer choices doesn't fit this
environment?
T or F
MRSA refers to a form of Staphylococcus aureus that is
resistant to methicillin. - Answer-True
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T or F
Rickettsia rickettsii are obliged to live inside other cells
due to their special nutritional requirements. - Answer-True
Which of the following is NOT a bacterial infection of the
skin?
a. folliculitis
b. cat scratch disease
c. necrotizing fasciitis
d. athlete's foot - Answer-The key term of this question is
bacterial. Which of the answer choices is not a bacterial
pathogen?
Bartonella henselae causes which of the following?
a. Rocky Mountain spotted fever
b. chickenpox
c. gas gangrene
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d. cat scratch disease - Answer-d. cat scratch disease
This microbe causes disease only in humans, although it
is carried by an animal. Recall that this organism also
grows inside the red blood cells of infected individuals.
Chickenpox in adults is more severe than in children
because __________.
a. VZV is more likely to become latent in children
b. adults are usually infected by more virulent strains of
VZV
c. adults have a more developed immune system
d. VZV can spread to the brain and spinal cord in adults -
Answer-c. adults have a more developed immune system
Which of the following does NOT play a role in the
pathogenicity of Clostridium perfringens?
a. endospore formation
b. rapid cell division
c. non-motility
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d. toxin production - Answer-c. non-motility
The pathogenicity depends on virulence factors that allow
C. perfringens to better infect its host.
Teratogenic birth defects are common in the babies of
pregnant women infected with which of the following
diseases?
a. roseola
b. chickenpox
c. rubella
d. measles - Answer-c. rubella
Teratogenic birth defects are defects such as deafness,
mental retardation, microcephaly, and other serious
problems in unborn children
Which of the following molecules enables Staphylococcus
aureus to evade phagocytosis?
a. protein A
MICR290 FINAL EXAM 2025/ 2026 ACTUAL EXAM 2
VERSIONS (VERSION A AND B) COMPLETE EXAM
QUESTIONS WITH DETAILED VERIFIED ANSWERS
(100% CORRECT ANSWERS) /ALREADY GRADED
A+||LATEST EXAM!!!
Which of the following is NOT typically part of the normal
microbiota of the skin?
a. Gram-positive aerobic cocci
b. diphtheroid bacteria
c. enterococci
d. yeast - Answer-c. enterococci
The key term of the question is referring to organisms of
the skin. Which of the listed answer choices doesn't fit this
environment?
T or F
MRSA refers to a form of Staphylococcus aureus that is
resistant to methicillin. - Answer-True
,2|Page
T or F
Rickettsia rickettsii are obliged to live inside other cells
due to their special nutritional requirements. - Answer-True
Which of the following is NOT a bacterial infection of the
skin?
a. folliculitis
b. cat scratch disease
c. necrotizing fasciitis
d. athlete's foot - Answer-The key term of this question is
bacterial. Which of the answer choices is not a bacterial
pathogen?
Bartonella henselae causes which of the following?
a. Rocky Mountain spotted fever
b. chickenpox
c. gas gangrene
,3|Page
d. cat scratch disease - Answer-d. cat scratch disease
This microbe causes disease only in humans, although it
is carried by an animal. Recall that this organism also
grows inside the red blood cells of infected individuals.
Chickenpox in adults is more severe than in children
because __________.
a. VZV is more likely to become latent in children
b. adults are usually infected by more virulent strains of
VZV
c. adults have a more developed immune system
d. VZV can spread to the brain and spinal cord in adults -
Answer-c. adults have a more developed immune system
Which of the following does NOT play a role in the
pathogenicity of Clostridium perfringens?
a. endospore formation
b. rapid cell division
c. non-motility
, 4|Page
d. toxin production - Answer-c. non-motility
The pathogenicity depends on virulence factors that allow
C. perfringens to better infect its host.
Teratogenic birth defects are common in the babies of
pregnant women infected with which of the following
diseases?
a. roseola
b. chickenpox
c. rubella
d. measles - Answer-c. rubella
Teratogenic birth defects are defects such as deafness,
mental retardation, microcephaly, and other serious
problems in unborn children
Which of the following molecules enables Staphylococcus
aureus to evade phagocytosis?
a. protein A
