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Micro, Lab 41
Micro 204, Normal Flora of the Human Throat lab 41
Question | Answer |
---|---|
"Strep throat" may be cause by ___ and is ____- hemolytic. | Streptococcus Pyrogenes / Beta |
The ______ are the most prominent organisms of normal flora throughout life and they are _____- hemolytic. | Viridans Group / Alpha |
If a throat swab cannot be cultures immediately, it should be placed ina tube of ________ to prevent drying. | Transport Medium |
The numerical predominance of a specific organism in a throat culture usually indicates that it ____ responsible for a pathogenic condition in the throat. | is not |
Name 4 indicators useful in the identification of an organism from a throat culture | Size, Gram Reaction, Chromogenesis, Hemolysis Type |
Hemolysis is produced as a result of changes in the | color |
Pathogenic streptococci are generally _____- hemolytic | Beta |
List 4 organisms or genra that are a part of the normal flora of the human throat | Staphylococcus, Streptococcus, Proteus, Moraxella Catarrhalis |
_______ is the differential medium used to culture the throat specimen with incubation at ____ degrees Celsius for ____ hours. | Blood Agar/ 37 degrees C/ 24 hours |
Medium used: | 5% sheep blood agar |