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32 Cards in this Set
- Front
- Back
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*Ferment Several Sugars producing acid
*Facultative Anaerobe *Lystostaphin: susceptible *Capsule inhibits phagocytosis and opsinization when present *Cell wall components are Peptidoglycan, Protein A, and Teichoic Acid. |
Genus Staphylococcus
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Provides Structural Stability and elicits an immune response.
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Peptidoglycan
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Inhibits opsinization and phagocytoses; binds IgG.
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Protein A.
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*Polymers of glycerol or robitol phosphate
*linked to peptidoglycan and are antigenic; *attachment site for mucosal surface receptors; *receptor for bacteriophages. |
Teichoic acid
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Staphylococcus aureus enzymes involved in tissue invasion(4)
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*Hyaluronidase
*Fibrinolysin (staphylokinase) *Coagulase *Lipase |
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Staphylococcus aureus toxins involved in pathogenesis(3)
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*Leukocidins
*Hemolysins *Enterotoxins |
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Toxins that cause food poisoning.
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Enterotoxins.
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*Facilitates adherence to catheters and other synthetic materials.
*Interferes with cellular immune response which may prevent ingestion by white cells. |
Slime Production
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Rapid Lactose Fermenters
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Esherichia
Klebsiella Enterobacter |
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Citrate Positive
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Serratia
Providencia Citrobacter Klebsiella |
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Mucoid Positive
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Klebsiella
Enterobacter |
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Swarms
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Proteus
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Urease Positive
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Proteus
Morganella |
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Motility Negative
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Shigella
Klebsiella Yersinia Pestis |
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H2S Positive
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Salmonella
Proteus Edwardsiella Citrobacter freundii |
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Indole Negative
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Enterobacter
Shigella Salmonella Proteus mirabilis |
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Aerobic & Facultative Cell Wall components
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Peptidoglycan
Protein A Teichoic Acid |
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Which component is responsible for stability of Aerobic & Facultative Cell
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Peptidoglycan
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Which component of Aerobic & Facultative Cell is the attachment site for mucosal surface receptor
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Teichoic Acid
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What pyogenic infection is a superficial staphylococcal skin infection primarily affecting children?
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Impetigo
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Bone and joing infection of Staphylococcus aureus has a high incidence in prepubital age group and adults w/rheumitoid Arthritis?
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Septic Arthritis
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What is the most common cause of food poisioning?
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Meats
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Sources of contamination
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*Live bacteria from skin abcess or nasopharynx carriers
*food storage temperature *enterotoxin is released *preformed toxin acts in small intestine causin severe diarrhea |
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GNB NPA
Oxidase Negative Motility by means of perittrichous flagella Ferments glucose w/or without gas production Facultative |
Enterobacteriacea
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Is Somatic antigen "O" thermostabile or thermolabile?
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Thermostable
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What is the gram stain for the Enterobacteriacea family?
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GNB NPA
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The most commonly known Enterobacteriacea species is _____positive and ____negative
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Lactose, H2S
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*Outbreaks occur in newborn nurseries and daycare centers.
*Cases are rarely seen in adults *Symptoms: Low fever, Vomiting, Diarrhea, contains large amounts of mucus, gross blood not present. |
Entereropathogenic Esherichia coli (EPEC)
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*Occurs in adults and children
*Fecal-oral transmission *Fever, Severe abdominal cramps *malaise *Watery Diarrhea followed by scanty stool w/pus, mucus, and blood. |
Enteroinvasice Escherichia coli (EIEC)
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*Produces a cholera like toxin
*Non-bloody, watery diarrhea *8-12 uniformed stools per day |
Enterotoxic Escherichia coli (ETEC)
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*Includes Escherichia coli 0157:H7 and hemolytic uremic syndrom (HUS)
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Enterohemorrhagic Escherichia coli (EHEC)
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What are two cholera like toxins that ETEC produces
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*Heat Labile Toxin (LT) which attaches to adenylate cyclase
*Heat Stable Toxin which attaches to guanylate cyclase |
