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14 Cards in this Set

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  • Back
What is the MacConkey Agar (MAC) used for
Isolation and identification of enteric pathogens. Growth of gram-positive bacteria is inhibited
What is Sorbitol MacConkey Agar (SMAC) used for
Facilitates the identification of E. Coli O157:H7 (turns tan)
What is Xylose-Lysine-Deoxycholate (XLD) Agar used for
Isolation and identification of Shigella and Salmonella
What enteric bacteria is unable to ferment xylose
What is the leading cause of bacterial gastroenteritis in the US
Campylobacter jejuni
What does CampyPak faciliate growth of
Microaerophilic organisms
What is Thioglycollate broth used for
Lowers oxygen tension in the medium and improves the recovery of anaerobic organisms without incubation in an anaerobic atmosphere
What is the Indole Test used for
Differentiate between the genus Escherichia and the genera Klebsiella and Enterobacter
What is the Voges-Proskauer (VP) test used for
Indentification of members of the Enterobacteriaceae that ferment glucose via the butylene glycol pathway
What is the Methyl Red (MR) test used for
Detect acidic fermentation products that result from mixed acid fermentation
What is Simmons Citrate Agar (Cit) used for
E. coli, Salmonella typhi, and Shigella will not grow. Enterobacter, Citrobacter, and Salmonella enterica will grow
What is the Urease test used for
To distinguish members of the genus Proteus (urease positive) from Salmonella (urease negative)
What does the Oxidase test do
Distinguishes Pseudomonas aeruginosa from other glucose non-fermentative bacteria and from the family Enterobacteriaceae
What does the oxidative-fermentation Test medium do
Aids in the identification of organisms that utilize carbohydrates oxidately rather than fermentatively, such as Pseudomonas