GI generalities Flashcards Preview

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Flashcards in GI generalities Deck (15):
1

if the org produces ??? you'll have diarrhea

enterotoxin
LT, ST, Ctx, other Clostricium enterotoxin
ST: ETEC, Yersinia

2

if the org produces a ??? you'll have dysentery and fever

cytotoxin: Stx
EHEC, VTEC, STEC and entamoeba are exceptions-typ. no fever

3

all cytotoxin-producing orgs do what ??

invade
except C. diff and EHEC/STEC/VTEC

4

if bac invades past submucosa, possibility of ??

pseudoappendicitis (except Shig, EIEC)
reactive arthritis if HLA-B27
Guillain-Barre w. Campy

5

all invasives are facultative IC pathogens
EXCEPT

Shig, Yersi, Campy, Salmonella
NOT V. vulnificus or V. parahaemolyticus (invasive but not IC)

6

if org invades there will be ??? in feces
except for

RBCs and WBCs
entamoeba, no WBC

7

obligate IC pathogens are ???

viruses, Cryptospridium, microsporidia

8

of the bacteria, only ??? has soil as reservoir

Bacillus

9

only ?? and ?? are G+ spore formers and quantified

Bacillus and Clostridium

10

only ?? and ?? have winter seasonality

Yersinia and rotavirus

11

Fresh water:

Crypto, Giardia, Norwalk virus

12

Salt water:

vibrio spp., calicivirus, norovirus

13

peroson to person spread most important for ??

Shigella, Entamoeba, Enterobius, EHEC, rotavirus, norovirus
(Trichuris and Ascaris have to incubate in soil)

14

only ??? have humans as sole reservoir

Shigella
Entamoeba
Trichuris
Enterobius

15

Shellfish, think

Vibrio spp., Norwalk virus

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