MLPAO Review: Microbiology || with Errorless Answers.
Which of the following is the purpose of transport medium that is used in the shipment of
microbiology specimens?
a) Nourish the bacteria in the specimen
b) enhance bacterial growth
c) fixation of the specimen
d) sustain bacterial growth
e) inhibit bacterial growth correct answers d) sustain bacterial growth
At what temperature is campylobacter agar incubated?
a) 37 C
b) 35 C
c) 42 C
d) 30 C
e) 40 C correct answers c) 42 C
Which solution is the gram staining acts as a mordant to bind the stain to the bacteria?
a) tincture of iodine
b) safranin
c) crystal violet
d) gram's iodine
e) iodized salt correct answers d) gram's iodine
Which system would not create anaerobiosis?
, a) glove box
b) bacticinerator
c) CO2 incubator
d) gas pack
e) two of the above correct answers e) two of the above
How should commercially prepared culture plates be stored?
a) inverted to prevent condensation from dropping onto the media
b) in a freezer until a few hours before use
c) at room temperature in a dark area of the lab
d) two of the above
e) at a temperature between 2-8 C correct answers d) two of the above
How do you differentiate between a prokaryotic and eukaryotic cell? correct answers
Prokaryotic:
no nucleus
bacteria
only unicellular
does not contain membrane bound organelles (ie mitochondria)
cell wall contains peptidoglycan
Eukaryotic:
nucleus
any organism except bacteria
uni or multi cellular
membrane bound organelles (ie mitochondria)
Which of the following is the purpose of transport medium that is used in the shipment of
microbiology specimens?
a) Nourish the bacteria in the specimen
b) enhance bacterial growth
c) fixation of the specimen
d) sustain bacterial growth
e) inhibit bacterial growth correct answers d) sustain bacterial growth
At what temperature is campylobacter agar incubated?
a) 37 C
b) 35 C
c) 42 C
d) 30 C
e) 40 C correct answers c) 42 C
Which solution is the gram staining acts as a mordant to bind the stain to the bacteria?
a) tincture of iodine
b) safranin
c) crystal violet
d) gram's iodine
e) iodized salt correct answers d) gram's iodine
Which system would not create anaerobiosis?
, a) glove box
b) bacticinerator
c) CO2 incubator
d) gas pack
e) two of the above correct answers e) two of the above
How should commercially prepared culture plates be stored?
a) inverted to prevent condensation from dropping onto the media
b) in a freezer until a few hours before use
c) at room temperature in a dark area of the lab
d) two of the above
e) at a temperature between 2-8 C correct answers d) two of the above
How do you differentiate between a prokaryotic and eukaryotic cell? correct answers
Prokaryotic:
no nucleus
bacteria
only unicellular
does not contain membrane bound organelles (ie mitochondria)
cell wall contains peptidoglycan
Eukaryotic:
nucleus
any organism except bacteria
uni or multi cellular
membrane bound organelles (ie mitochondria)
