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
|
|
Term
| how are propionnibacteria known as "trojan horses" |
|
Definition
| they release hydrolytic enzymes when phagocytosed |
|
|
Term
|
Definition
| lack endotoxin. Gram positive rods. |
|
|
Term
|
Definition
| normal flora of mouth, stomach, intestines, genitourinary tract. Found in yogurt. Vancomycin resistant. Treat with penicilin+aminoglycoside |
|
|
Term
|
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
|
|
