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Anaerobic NonSpore-Forming Bacteria
BBD Lec 4/5 @11AM
17
Medical
Professional
04/05/2010

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Term
what more do you need to know if a patient has a anaerobe infection?
Definition
nothing. biochemical separation is not necessary. Knowledge of association with an infection is typically sufficient.
Term
T/F: All anaerobes are sensitive to aminoglycosides
Definition
False. They are resistant.
Term
where do anaerobic Gram positive rods normally colonize?
Definition
skin and mucosal surfaces
Term
Actinomyces vs. Nocardia: which is acid fast? which inhabits the oropharynx or intestinal tract?
Definition
nocardia are aerobic and acid fast. actinomyces inhabit the oropharynx or intestinal tract.
Term
good test question about previous flash card Nocardia vs Actinomyces
Definition
Mediasite time 11:15AM. ppt slide 9
Term
can you treat actinomyces with antibiotics?
Definition
yes. penicillin, erythromycin, clindamycin
Term
propionibacterium causes what skin condition in teenagers?
Definition
acne.
Term
how are propionnibacteria known as "trojan horses"
Definition
they release hydrolytic enzymes when phagocytosed
Term
Mobiluncus
Definition
lack endotoxin. Gram positive rods.
Term
lactobacillus
Definition
normal flora of mouth, stomach, intestines, genitourinary tract. Found in yogurt. Vancomycin resistant. Treat with penicilin+aminoglycoside
Term
Bacteroides fragilis
Definition
Gram Neg Rod. Found in upper resp., GI, genitourinary tract. Most important pathogen of group.
Term
what allows the B. fragilis to adhere to peritoneal surfaces?
Definition
fimbriae. this bug is also encapsulated to be antiphagocytic. TONS of cytolytic enzymes.what i
Term
what is a polymicrobic infection with anaerobes?
Definition
they all colonize the same site, multiple species.
Term
do most bacteria grow on 20% bile?
Definition
NO. but B. fragilis does.
Term
how do you treat B. fragilis?
Definition
metronidazole, carbapenems, and ß-lactam-ß-lactamase inhibitors.
Term
what non-anaerobic bugs can grow under anaerobic conditions?
Definition
Staphylococci and streptococci (so they can contaminate lab cultures).
Term
listen to mediasite at 11:45AM for summary and general points
Definition
funny guy!
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