TEXTBOOK OF DIAGNOSTIC MICROBIOLOGY
7 2026 REVISION QUESTIONS AND ANSWERS
◉ Adherence to surfaces. Answer: Fimbriae present on the outer
surface of bacteria are used for:
◉ It follows glycolysis and produces reduced nicotinamide adenine
dinucleotide (NADH). Answer: All of the following are characteristic
of fermentation except:
◉ Candida albicans. Answer: Of the following, which would most
likely cause an opportunistic infection in the genitourinary tract of a
woman of childbearing age?
◉ The systematic collection and analysis of data. Answer:
Surveillance is defined as:
◉ Staphylococcus aureus, Pseudomonas aeruginosa, MRSA,
Escherichia coli. Answer: Microbes commonly encountered in health
care-associated infections in hospitals include:
◉ Assist in an outbreak investigation. Answer: Pulsed-field gel
electrophoresis (PFGE) might be performed to:
,◉ The percentage of infections in surgical sites or procedures.
Answer: The occurrence of surgical site infections is generally
calculated as:
◉ Bacillus anthracis, Yersinia pestis, Francisella tularensis. Answer:
Microbial pathogens of potential bioterrorism activity include:
◉ Spectrum of activity, rate of action, mechanism of action. Answer:
Which of the following characteristics should be considered when
selecting an antimicrobial agent?
◉ HEPA filters. Answer: What type of filter does a class II BSC use to
filter out infectious agents?
◉ Rejecting suboptimal specimens. Answer: Which one of the
following involves specimen management in the preanalytic
process?
◉ SPS. Answer: Which of the following anticoagulants is appropriate
for use in microbiology?
◉ Urogenital swab. Answer: Which of the following specimens
should not be refrigerated?
, ◉ Cerebrospinal fluid. Answer: Which of the following specimens
requires immediate processing when received in the microbiology
laboratory?
◉ -The specimen is preserved in formalin.
-Information on the requisition does not match information on the
specimen label.
-A second stool sample is submitted from the same patient on the
same day. Answer: Which of the following are reasons to reject a
specimen for culture?
◉ Tapeworm proglottids. Answer: Which one of the following is
noted from a macroscopic observation?
◉ Throat swab. Answer: In which of the following specimens is a
direct microscopic examination not useful?
◉ Differential media. Answer: Chocolate agar is an example of which
of the following?
◉ MacConkey agar. Answer: Which of the following is an example of
a selective and differential medium?
7 2026 REVISION QUESTIONS AND ANSWERS
◉ Adherence to surfaces. Answer: Fimbriae present on the outer
surface of bacteria are used for:
◉ It follows glycolysis and produces reduced nicotinamide adenine
dinucleotide (NADH). Answer: All of the following are characteristic
of fermentation except:
◉ Candida albicans. Answer: Of the following, which would most
likely cause an opportunistic infection in the genitourinary tract of a
woman of childbearing age?
◉ The systematic collection and analysis of data. Answer:
Surveillance is defined as:
◉ Staphylococcus aureus, Pseudomonas aeruginosa, MRSA,
Escherichia coli. Answer: Microbes commonly encountered in health
care-associated infections in hospitals include:
◉ Assist in an outbreak investigation. Answer: Pulsed-field gel
electrophoresis (PFGE) might be performed to:
,◉ The percentage of infections in surgical sites or procedures.
Answer: The occurrence of surgical site infections is generally
calculated as:
◉ Bacillus anthracis, Yersinia pestis, Francisella tularensis. Answer:
Microbial pathogens of potential bioterrorism activity include:
◉ Spectrum of activity, rate of action, mechanism of action. Answer:
Which of the following characteristics should be considered when
selecting an antimicrobial agent?
◉ HEPA filters. Answer: What type of filter does a class II BSC use to
filter out infectious agents?
◉ Rejecting suboptimal specimens. Answer: Which one of the
following involves specimen management in the preanalytic
process?
◉ SPS. Answer: Which of the following anticoagulants is appropriate
for use in microbiology?
◉ Urogenital swab. Answer: Which of the following specimens
should not be refrigerated?
, ◉ Cerebrospinal fluid. Answer: Which of the following specimens
requires immediate processing when received in the microbiology
laboratory?
◉ -The specimen is preserved in formalin.
-Information on the requisition does not match information on the
specimen label.
-A second stool sample is submitted from the same patient on the
same day. Answer: Which of the following are reasons to reject a
specimen for culture?
◉ Tapeworm proglottids. Answer: Which one of the following is
noted from a macroscopic observation?
◉ Throat swab. Answer: In which of the following specimens is a
direct microscopic examination not useful?
◉ Differential media. Answer: Chocolate agar is an example of which
of the following?
◉ MacConkey agar. Answer: Which of the following is an example of
a selective and differential medium?
