Microbiology Quiz #7

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Last updated: May 5, 2024

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First submitted	May 5, 2024
Times taken	6
Average score	69.6%
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Hint	Answer
A population of cells arising from a single cell	Pure culture
Which microscope is used to look at viruses	Electron
Media which is chemically defined so the concentration of each constituent known	Defined
Protein or nucleic acid-based detection methods used in microbiology labs	Molecular
Use of serum antibodies (IgG) to detect and identify antigens	Serotyping
What type of identification method would microscopy be?	Direct
Media which is chemically undefined so the concentration of each constituent is unknown	Complex
What biosafety level would be used for a microbe not known to cause disease?	1
What biosafety level would be used for an exotic or indigenous microbe known to have aerosol transmission and cause moderate to lethal symptoms?	3
(e.g. blood agar) – general purpose media supplemented with special nutrients / growth factors (more fastidious bacteria)	Enriched
Detection of antigens or antibodies in specimens, methods used in microbiology labs	Immunological
Which criteria are are still used today to establish the link between a particular microorganism and a particular disease?	Kochs postulates

Hint	Answer
What biosafety level would be used for a microbe which pose a high threat of life threatening illness?	4
What is the lowest biosafety level at which an autoclave is required?	2
Which microscope is used to look at fungi	Light
Assay used to measure amount of virus in a sample	Viral Hemagglutination
(e.g. MacConkey agar) – media that will favor the growth of some microbes and inhibit growth of others	Selective
Which microscope is used to look at bacteria	Light
What machine is used to sterilize lab equipment using steam?	Autoclave
What biosafety level would be used for a microbe known to cause mild to moderate human disease via ingestion, or mucous membrane exposure?	2
What type of identification method would serology be?	Indirect
Which microscope is used to look at protists	Light
(e.g. Blood agar, MacConkey) – media used to distinguish between different species based on phenotypic traits	Differential

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