Term
|
Definition
Staphylococcus
Streptococcus
Enterococcus |
|
|
Term
Staphylococcus
(General Characteristics) |
|
Definition
Gram positive
cocci in irregular clusters
facultative anaerobe
catalase positive
grows well in limited media |
|
|
Term
|
Definition
| S. aureus-makes superoxide dismutase |
|
|
Term
| Staphylococcal Species (3) |
|
Definition
S. aureus
S. epidermidis
S. saprophyticus |
|
|
Term
|
Definition
Coagulase positive
Grows in high salt
causes numerous skin lesions
food poisoning (gastroenteritis) |
|
|
Term
|
Definition
Break in skin defense
Ingestion
carried in the NARES 30% population |
|
|
Term
S. aureus
(Virulence Factors) |
|
Definition
Hyaluronidase
Coagulase (prothrombin activator)
Protein A
Protease
Super antigens
Toxins |
|
|
Term
|
Definition
Exfoliative toxin
Toxic Shock Syndrom toxin (TSST)
Enterotoxins
Hemolysin (alpha toxin)
Leukocidin |
|
|
Term
|
Definition
| breaks down hyaluronc acid (on surface of eukaryotic cells allowing it to spread through tissue) |
|
|
Term
|
Definition
| Prothrombin activator-makes itself a clot and avoids the immune system |
|
|
Term
|
Definition
|
|
Term
|
Definition
| non-specific stimulation of the immune response. 40-60% of lymphocytes are activated and all the damage that comes with it |
|
|
Term
|
Definition
| outer layer of skin falls off |
|
|
Term
| Toxic Shock Syndrome Toxin |
|
Definition
|
|
Term
|
Definition
| (6)-gastroenteritis-inflammation of the gastrointestinal tract |
|
|
Term
|
Definition
| Alpha toxin-lyses blood cells (lymphocytes) |
|
|
Term
|
Definition
|
|
Term
S. aureus
(Pathogenesis of skin infection) |
|
Definition
| evasion of immune system --> spread within the tissue --> potential systemic spread of toxin --> hyperactivation of the immune system |
|
|
Term
S. aureus
(Pathogenesis of Ingestion) |
|
Definition
| Stimulation of neural centers--> induces vomiting |
|
|
Term
S. aureus
(Clinical symptoms of skin infections) |
|
Definition
Purulent Lesions
Peeling Skin
Systemic Shock |
|
|
Term
S. aureus
(Clinical symptoms of food poisoning) |
|
Definition
| Vomiting- 2-4 hours after ingestion |
|
|
Term
|
Definition
Skin infection (furuncle (boil), Carbuncle
Impetigo
Soft tissue infection
Osteomyelitis
Pneumonia
TSS
Enterocolitis |
|
|
Term
|
Definition
bulbous watery infection
Ecthyma-deep impetigo-pus involvement with follicles |
|
|
Term
|
Definition
| Infected nail beds-use systemic antibiotics |
|
|
Term
|
Definition
|
|
Term
|
Definition
| consolidation of multiple furuncles |
|
|
Term
|
Definition
|
|
Term
|
Definition
| infants-toxin through umbilical cord |
|
|
Term
|
Definition
| gets into bone marrow which is resistant to high blood flow |
|
|
Term
|
Definition
| eating contaminated food with enterotoxins |
|
|
Term
|
Definition
| diarrhea, disorientation, fainting, high fever, kidney or liver problems, muscle pain, nausea and vomiting, peeling skin, shock (severely low blood pressure which affects body's functioning), sore throat, **sunburn-like rash on skin* (after one or two days) |
|
|
Term
S. aureus
(treatment of skin infection) |
|
Definition
|
|
Term
S. aureus
(treatment of ingestion) |
|
Definition
|
|
Term
|
Definition
normal human flora
generally non-pathogenic
may contaminate specimens/implants-forms biofilm |
|
|
Term
|
Definition
normal non-pathogenic environmental organism
10-20% of UTI's in young women
Coagulase NEGATIVE |
|
|
Term
|
Definition
S. epidermidis
S. saprophyticus |
|
|
