Microbiology 020 - General Microbiology » Fall 2021 » Lab Quiz 6 Bacteriostatic Compounds & Antibiotic Resistance Tests

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Question #1
Incineration is a form of ______.
A.   Disinfection
B.   The correct answer is not listed here.
C.   Sterilization
D.   Bacteriostatic
Question #2
Which method is used to sterilize laboratory media?
A.   The correct answer is not listed.
B.   Filtration
C.   Chlorine
D.   Autoclave
E.   Bleach
Question #3
Crystal violet may be used as a disinfectant.
A.   TRUE
B.   FALSE
Question #4
In emergency situations, drinking water may be disinfected with non-fragrance household bleach.
A.   FALSE
B.   TRUE
Question #5
Inoculation loops are typically ______ via ______.
A.   Sterilized; incineration
B.   The correct answer is not listed here.
C.   Disinfected; autoclave
D.   Sterilized; autoclave
E.   Disinfected; incineration
Question #6
Antibiotics kill all bacteria.
A.   FALSE
B.   TRUE
Question #7
Compare the zones of inhibition for the following bacteria. Which is most resistant? Bacterium A- 5 mm Bacterium B- 15 mm Bacterium C- 10 mm
A.   Bacterium B
B.   Bacterium C
C.   Bacterium A
Question #8
The mode of action of penicillin is ______.
A.   it binds to the large subunit of the bacterial ribosome, thus inhibiting it.
B.   it binds to the small subunit of the bacterial ribosome, thus inhibiting it.
C.   it prevents proper cell wall formation.
D.   it blocks DNA replication in bacteria.
Question #9
What is the standard medium used for the Kirby-Bauer Disk Diffusion test?
A.   MacConkey agar
B.   Mueller-Hinton agar
C.   EMB
D.   MSA
Question #10
Penecillin is extracted from ______.
A.   soil microbes.
B.   bacteria.
C.   a fungus.
D.   a special plant.

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