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Anaerobes
Anaerobes
26
Microbiology
Graduate
12/08/2011

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Cards

Term
What are the ABC's of Anerobes?
Definition
Actinomyces, Bacteroides, Clostridia
Term
Most important species of Actinomyces?
Definition
A. israelii
Term
When does Actinomyces cause an infection?
Definition
When the mucosa membranes are disrupted (surgery, trama, dental work...)
Term
BUZZWORD: Lumpy Jaw
Definition
Actinomyces
Term
BUZZWORD: Sulfergranules & Molar tooth colonies
Definition
Actinomyces
Term
What important type of disease does Bacteroides fragilis cause?
Definition
Intrabdominal infections.
Term
What is special about Bacteroides Bile Esculin Agar?
Definition
It is used to inhibit growth of the other enterobacteroides.
Term
Which important anaerobe forms spores?
Definition
Clostridia
Term
What causes Gas Gangrene?
Definition
C. perfingens
Term
Which toxins of C. perfingens will kill cells?
Definition
alpha, beta, epsilon, and Iota
Term
BUZZWORD: Bronze-colored Blisters
Definition
Gas Gangrene (filled with CO2 and H2)
Term
What special agar does C. perfingens grow on?
Definition
Egg Yolk Agar
Term
BUZZWORD: Drum Stick appearance
Definition
C. tetani
Term
What is the main toxin that is responsible for the symptoms of tetanus?
Definition
Tetanospasmin (if you break it down it may help you remember: tetan-o-spasm, it cases tetnus so your muscles spasm)
Term
What does the VF of C.tetani prevent the release of?
Definition
inhibitory muscle transmitters.
Term
Whats the Target organ of Tetanospasmin (C. tetani's toxin)?
Definition
Spinal Cord
Term
BUZZWORD: Lock Jaw
Definition
C. tetani
Term
BUZZWORD: Home/Canned Goods
Definition
C. botulinum
Term
Toxin of C. botulinum?
Definition
Heat-labile neurotoxin
Term
Receptor for toxin of C. botulinum?
Definition
beta-gangliosides
Term
What anerobe causes constipation
Definition
C. botulinum
Term
What disease are babies susceptible to if they eat honey?
Definition
Floppy baby syndrome/infant botulism
Term
BUZZWORD: Infection after treating with CLINDAMYCIN
Definition
C. difficile
Term
Whats the toxin of C. difficile?
Definition
Toxin A (increases permeability of GI wall --> watery diarrhea)
Term
If you find C. difficile in the stool, are you infected?
Definition
No, C. difficile is part of the normal flora of the gut.
Term
What do you look for in the stool of a possible C. diff patient?
Definition
The toxin (Toxin A).
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