Micro Final Questions With Complete Solutions
A non-fermentative gram negative rod that has a
sweet fruity odor, is oxidase positive, and can use
acetate as a sole source of carbon is:
A. Alcaligenes faecalis
B. Moraxella osloensis
C. Acinetobacter baumannii
D. Pseudomonas putida
A
A problem action form should contain which of the
following information?
A.date and problem
B.Evaluation and corrective action
C.Outcome
D.All of the above
D.
A key distinguishing characteristic of Bordetella
bronchiseptica is that it is:
A. non-motile
B. unable to grow on MacConkey agar
C. oxidase negative
D. rapidly urease positive
E. reduces nitrate to nitrogen gas
D
,A special attachment mechanism that is specific for
urogenital epithelial cells can be found in which
gram positive cocci?
A. Streptococcus pyogenes
B. Streptococcus equi
C. Enterococcus faecium
D. Staphylococcus epidermidis
E. Staphylococcus saprophyticus
E.
A key characteristic used to distinguish
Micrococcus species from Staphlyococcus species
is that Micrococcus:
A. can ferment glucose anaerobically but not
aerobically.
B. is positive in the modified oxidase test
C. is catalase negative
D. is resistant to Bacitracin
E. produces butyrate esterase
B
A community hospital micro lab is processing
significant numbers of stool cultures because of an
outbreak of diarrhea following heavy rains and
flooding in the county. A media that should be
incorporated in the plating protocol is:
A. Colistin Nalidixic acid for listeria
,B. MAC with sorbitol for campylobacter
C. Mannitol salt agar for enterococcus species
D. Thiosulfate citrate bile salts sucrose agar for
vibrio species
D
An isolate on chocolate agar rom a patient with
epiglottitis was suggestive of Haemophilus sp.
Additional testing showed that the isolate required
NAD for growth and was non hemolytic. The most
likely species of Haemophilus is:
A. haemolyticus
B. ducreyi
C. influenzae
D. parainfluenzae
D
A definitive ID of Neisseria gonorrheae is made
with
A. Gram stain
B. Oxidase test
C. Degeneration of amino acids
D. Hydrolysis of carbohydrates
D
A 72 year old female was admitted to the hospital
complaining of a headache and low grade fever.
Upon physical exam it was found that she had
nuchal rigidity. She said these symptoms had a
, gradual onset over the past several weeks. She
was diagnosed with acute sepsis and subacute
meningitis . What is the most likely source of her
infection?
A. Close contact with the other seniors at the
senior center
B. Inhalation of aerosolized organisms from her 3
year old grandchild
C. Migration to the CNS from the normal flora of
her vaginal tract
D. She ate contaminated dairy products or
processed food
D
A key characteristic used to distinguish
Micrococcus species from Staphlyococcus species
is that Micrococcus:
A. can ferment glucose anaerobically but not
aerobically.
B. is positive in the modified oxidase test
C. is catalase negative
D. is resistant to Bacitracin
E. produces butyrate esterase
B
A Beta-hemolytic, catalase negative, gram positive
coccus is resistant to bacitracin and
sulfamethoxazole. What is the most likely
identification>
A non-fermentative gram negative rod that has a
sweet fruity odor, is oxidase positive, and can use
acetate as a sole source of carbon is:
A. Alcaligenes faecalis
B. Moraxella osloensis
C. Acinetobacter baumannii
D. Pseudomonas putida
A
A problem action form should contain which of the
following information?
A.date and problem
B.Evaluation and corrective action
C.Outcome
D.All of the above
D.
A key distinguishing characteristic of Bordetella
bronchiseptica is that it is:
A. non-motile
B. unable to grow on MacConkey agar
C. oxidase negative
D. rapidly urease positive
E. reduces nitrate to nitrogen gas
D
,A special attachment mechanism that is specific for
urogenital epithelial cells can be found in which
gram positive cocci?
A. Streptococcus pyogenes
B. Streptococcus equi
C. Enterococcus faecium
D. Staphylococcus epidermidis
E. Staphylococcus saprophyticus
E.
A key characteristic used to distinguish
Micrococcus species from Staphlyococcus species
is that Micrococcus:
A. can ferment glucose anaerobically but not
aerobically.
B. is positive in the modified oxidase test
C. is catalase negative
D. is resistant to Bacitracin
E. produces butyrate esterase
B
A community hospital micro lab is processing
significant numbers of stool cultures because of an
outbreak of diarrhea following heavy rains and
flooding in the county. A media that should be
incorporated in the plating protocol is:
A. Colistin Nalidixic acid for listeria
,B. MAC with sorbitol for campylobacter
C. Mannitol salt agar for enterococcus species
D. Thiosulfate citrate bile salts sucrose agar for
vibrio species
D
An isolate on chocolate agar rom a patient with
epiglottitis was suggestive of Haemophilus sp.
Additional testing showed that the isolate required
NAD for growth and was non hemolytic. The most
likely species of Haemophilus is:
A. haemolyticus
B. ducreyi
C. influenzae
D. parainfluenzae
D
A definitive ID of Neisseria gonorrheae is made
with
A. Gram stain
B. Oxidase test
C. Degeneration of amino acids
D. Hydrolysis of carbohydrates
D
A 72 year old female was admitted to the hospital
complaining of a headache and low grade fever.
Upon physical exam it was found that she had
nuchal rigidity. She said these symptoms had a
, gradual onset over the past several weeks. She
was diagnosed with acute sepsis and subacute
meningitis . What is the most likely source of her
infection?
A. Close contact with the other seniors at the
senior center
B. Inhalation of aerosolized organisms from her 3
year old grandchild
C. Migration to the CNS from the normal flora of
her vaginal tract
D. She ate contaminated dairy products or
processed food
D
A key characteristic used to distinguish
Micrococcus species from Staphlyococcus species
is that Micrococcus:
A. can ferment glucose anaerobically but not
aerobically.
B. is positive in the modified oxidase test
C. is catalase negative
D. is resistant to Bacitracin
E. produces butyrate esterase
B
A Beta-hemolytic, catalase negative, gram positive
coccus is resistant to bacitracin and
sulfamethoxazole. What is the most likely
identification>
