BOC Microbiology exam Study test| Questions
with Revised Answers| Verified 100% Correct
Which procedure is appropriate for culture of genital specimens in order to recover
Chlamydia spp.? - ✔✔Inoculate cycloheximide-treated McCoy cells. (Chlamydia is an
intracellular species).
Specimens for virus culture should be transported in media containing: -
✔✔Antibiotics and nutrient.
Cerebrospinal fluid (CSF) should be cultured immediately, but if delayed the specimen
should be: - ✔✔Incubated at 37C and cultured as soon as possible
The most sensitive method for the detection of Beta-lactamase in bacteria is by the use
of? - ✔✔Chromogenic cephalosporin
The breakpoint of an antimicrobial drug refers to: - ✔✔The level of drug that is
achievable in serum
Which of the following variables may change the results of an MIC - ✔✔Inoculum
size, Incubation time, growth rate of the bacteria.
According to the Kirby-Bauer standard antimicrobial susceptibility testing method, what
should be done when interpreting the zone size of a motile, swarming organism such as
a Proteus species? - ✔✔The swarming area should be ignored
Which class of antibiotics is used for the treatment of serious gram-negative infections
as well as infections with Mycobacterium tuberculosis? - ✔✔Aminoglycosides
with Revised Answers| Verified 100% Correct
Which procedure is appropriate for culture of genital specimens in order to recover
Chlamydia spp.? - ✔✔Inoculate cycloheximide-treated McCoy cells. (Chlamydia is an
intracellular species).
Specimens for virus culture should be transported in media containing: -
✔✔Antibiotics and nutrient.
Cerebrospinal fluid (CSF) should be cultured immediately, but if delayed the specimen
should be: - ✔✔Incubated at 37C and cultured as soon as possible
The most sensitive method for the detection of Beta-lactamase in bacteria is by the use
of? - ✔✔Chromogenic cephalosporin
The breakpoint of an antimicrobial drug refers to: - ✔✔The level of drug that is
achievable in serum
Which of the following variables may change the results of an MIC - ✔✔Inoculum
size, Incubation time, growth rate of the bacteria.
According to the Kirby-Bauer standard antimicrobial susceptibility testing method, what
should be done when interpreting the zone size of a motile, swarming organism such as
a Proteus species? - ✔✔The swarming area should be ignored
Which class of antibiotics is used for the treatment of serious gram-negative infections
as well as infections with Mycobacterium tuberculosis? - ✔✔Aminoglycosides
