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Microbiology Lab - Module 49
N/A
11
Microbiology
Undergraduate 1
12/10/2011

Additional Microbiology Flashcards

 


 

Cards

Term
Intestinal pathogens in the family Enterobacteriaceae are Gram-negative bacilli.
Definition
True
Term
All intestinal pathogens are motile.
Definition
False
Term
EMB or MacConkey agar is more useful than SS agar or enrichment broth to isolate Shigella.
Definition
True
Term
A streak plate after incubation should bear isolated colonies.
Definition
True
Term
An innoculating loop is used to pick a pure colony.
Definition
False
Term
If a pure colony does not ferment lactose on selective differential media and produce H2S on a TSI slant, it is one of the salmonella species.
Definition
False
Term
Enrichment broth enhances the growth of salmonellas.
Definition
True
Term
Enrichment broth, when subcultured to SS agar, in the case of carriers, yields more uncolored colonies than direct plating of the patient's stool specimen.
Definition
True
Term
A positive urease test is manifested by a black precitate.
Definition
False
Term
A TSI slant inoculated with an enteric pathogen will have an acid slant and an alkaline butt after incubation.
Definition
False
Term
When urea is hydrolyzed by a bacterium, enteric pathogens have been ruled out.
Definition
True
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