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9 Cards in this Set
- Front
- Back
Staphylococcus aureus |
Most pathogenic of the staphylococci Can infect the skin & many other tissues Can produce a wide range of harmful enzymes & toxins (among these enzymes & toxins that can kill WBCs, trigger a fibrin clot, or cause shock) |
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MRSA |
Methicillin-resistant Staphylococcus aureus Antibiotic-resistant strains of staphylococci |
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Mannitol salt agar |
Medium that is both selective & differential |
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Mannitol Salt agar |
Contains high concentration of salt (7.5% NaCl) |
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Mannitol Salt agar |
Inhibits the growth of most bacteria except staphylococci (halophilic) & micrococci |
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Mannitol Salt agar |
This medium contains the sugar mannitol & pH indicator phenol red |
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Staphylococcus aureus |
Pathogenic Grows on mannitol salt agar Garments mannitol Produces acid Changes the color of the pH indicator |
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Staphylococcus epidermis |
Nonpathogenic Grows Does not ferment mannitol Does not produce acid |
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Lack of growth |
Due to inhibition by the high level of salt in medium |