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15 Cards in this Set
- Front
- Back
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Staphylococcus epidermidis |
ubiquitous on human skin |
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Staphylococcus aureus |
moist skin folds MRSA - treat with vancomycin |
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Streptococcus pyogenes |
Causes necrotizing fasciitis, pyoderma, erysipelas, strep throat, scarlet fever, toxic shock syndrome, rheumatic fever, glomerulonephritis |
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Enterococcus faecalis |
no capsule, opportunistic, difficult to treat
found in human colon |
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Alpha-hemolytic Streptococci - Viridans |
Dental caries and plaques
Green pigment on blood medium meningitis and endocarditis if in blood |
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Clostridium perfringens |
Endospores cause gas gangrene Food poisoning (self limited) |
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Clostridium difficile |
opportunistic, normally in GI tract
Explosive diarrhea pseudomembranous colitis
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Clostridium botulinum |
Toxin prevents muscle contractions
Food - toxin consumed Infant - ingestions of endospores Wound - endospores |
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Clostridium tetani |
lollipop vegetative cell + endospore
tetanospasmin released when cells die Continuous muscle contraction "lockjaw" |
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Listeria monocytogenes |
grows at 4 C - in refrigerated foods facultative intracellular parasite (phagocytes) Meningitis, pass to fetus Treat with ampicillin |
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Mycoplasma pneumoniae |
lack cytochromes for krebs cycle, cell walls
Sterols in membrane Walking pneumonia "fried egg" |
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Corynebacterium diphtheriae |
ubiquitous on plants, humans, animals Palisade arrangement "snapping division" Pseudomembrane - suffocation |
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Mycobacterium tuberculosis |
Mycolic acid
Cord Factor Tuberculosis |
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Propionibacterium acnes |
Acne, also opportunistic
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Nocardia asteroides |
Common in soil, opportunistic Causes black skin with holes Pulmonary, cutaneous, CNS "cord factor" Sulfonamides |
