Micro Certification Exam Practice Question with 100% Correct Answers
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Micro Certification Exam Practice
Question with 100% Correct Answers
Which bacterial species is most likely represented by the spreading, wrinkled, non-
hemolytic colony appearance? - Answer️️ -Burkholderia pseudomallei
Which one of the following tests should be used to monitor a patient's ...
Based on the results of in-vitro susceptibility testing, patients with septicemia from each
of the bacterial species listed below can potentially be treated with vancomycin except: -
Answer✔️✔️-Leuconostoc species
From an isolate of Escherichia coli, Klebsiella, or Proteus species testing positive for
ESBL (Extended Spectrum Beta Lactamases), all of the following antibiotics should be
reported as resistant except: - Answer✔️✔️-Cefoxitin
Routine culture methods in microbiology rely on the principles of bacterial cultivation
and identification. Molecular testing, however relies on the detection and manipulation
, of nucleic acids, allowing the microbial genes to be detected instead of the analysis of
microbial products (for e.g. enzymes, toxins, or identifiable characteristics growth of an
organism). One disadvantage to doing molecular testing is? - Answer✔️✔️-Need for
dedicated space and equipment
Any media that supports the growth of Enterococcus species can be used to recover
Vancomycin-Resistant Enterococci. However, to improve the recovery of VRE, selective
media for VRE will provide the best sensitivity. Which of the following media is most
helpful in recovering VRE from surveillance cultures? - Answer✔️✔️-CHROM VRE agar
A day-care outbreak of diarrhea revealed an oxidase-negative, non-lactose fermenting,
nonmotile, Gram-negative rod. These characteristics presumptively indicate which
organism? - Answer✔️✔️-Shigella species
Shigella serotyping is performed by using a polyvalent somatic (O) antisera. A Shigella
species grew from culture and serotyped as Group A. Which of the following Shigella
species serotypes as Group A? - Answer✔️✔️-Shigella dysenteriae
In order to speciate a swarming Proteus organism found on an eosin methylene blue
(EMB) agar plate, the best approach would be to: - Answer✔️✔️-Determine indole
production and ornithine decarboxylase
All of the following statements are associated with MALDI-TOF mass spectrophotometry
used in clinical microbiology, except? - Answer✔️✔️-Bacteria is amplified using a laser
A patient presents with cellulitis and culture growth small beta hemolytic colonies on 5%
sheep blood agar. The gram stain of the organism is included. What is the most likely
cause of infection? - Answer✔️✔️-Streptococcus pyogenes
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