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15 Cards in this Set
- Front
- Back
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What are the 3 genera of Gram + cocci?
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Staphylococcus
Streptococcus Enterococcus |
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What are the 3 medically important staphylococci?
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Staph aureus
Staph saphrophyticus Staph epidermitis |
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What are 2 sources of transmission of S. aureus?
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1. People (e.g., external nares, on skin, oropharynx, perineum, feces, person to person)
2. Fomites (survive well in extremes of heat, cold, and dried states) |
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Local staphylococcal infection leads to the formation of a collection of pus called an ______.
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Abscess
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What are some early events that are characteristic of acute inflammation?
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Red, inflamed appearance
Rapid and extensive infiltration of neutrophils (in response to host and bacterial factors) |
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What is the host response to focal inflammation?
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To surround the area within a fibrin capsule.
(The center of abscess is usually necrotic and consists of dead neutrophils, dead and live bacteria and fluid.) |
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What are some suppurative infections associated with S. aureus?
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Impetigo
Folliculitis Furuncles or boils Carbuncles Bacteremia and endocarditis Pneumonia and empyema Osteomyelitis Septic arthritis |
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What are some S. aureus toxin-mediated diseases?
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Food poisoning
Toxic shock syndrome Scalded skin syndrome Bullous impetigo |
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Infections containing pus are referred to as ______ infections
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Suppurative
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The most common type of food poisoning in the US results from what genera of bacteria?
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Staphylococcus
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In this type of food poisoning, heating of food may kill bacteria but not inactivate toxin.
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Staphyloccal Food Poisoning
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This syndrome is due to enterotoxins or TSST-1
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Toxic Shock Syndrome
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Toxins involved in this syndrome act as superantigens
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Toxic Shock Syndrome
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This syndrome is mediated by exfoliative toxins and is characterized by intense inflammation, desquamation, and superinfection can lead to death.
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Scalded skin syndrome
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This systemic infection often caused by S. aureus can occur on right side of heart in IDU.
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Endocarditis.
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