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CRAM SEMR > NON ENTERIC GI PATHOGEN > Flashcards

NON ENTERIC GI PATHOGEN Flashcards

1
Q

curved/comma bacillus
found in brackish, marine water, salt water
halophilic

A

vibrio

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2
Q

vibrio are all NLF except for

A

v. vulnificus

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3
Q

CA cholera, necrotizing faciitis

A

v. cholerae O1

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4
Q

all vibrio reduce nitrates to nitrites except for`

A

v. metschnikovii

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5
Q

v. cholerae 01 serotypes

A,B

A

ogawa

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6
Q

v. cholerae 01 serotypes

A,C

A

inaba

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7
Q

v. cholerae 01 serotypes

A,B,C

A

hikojima

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8
Q

v. cholerae biogroups

VP (-), do not agglutinate chicken RBC, susceptible

A

classical

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9
Q

v. cholerae biogroups

VP (+), agglutinates chicken RBC, resistant

A

el tor

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10
Q

enterotoxins:
cho9lera toxins
zot toxins
ace toxins

A

v. cholerae

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11
Q

+ string test
mucoid stringing reaction

A

v. cholerae

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12
Q

antigenic structure: somatic O, flagellar H

A

v. cholerae

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13
Q

acute diarrheal disease spread through contaminated water
hallmark: rice-watery stool

A

cholera

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14
Q

protein with enzymatic A subunit and intestinal receptor-binding B subunit

stimulate hypersecretion of water and chloride

A

choleragen

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15
Q

second most common vibrio implicated in gastroenteritis
SUMMER DIARRHEA in japan

A

v. parahemolyticus

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16
Q

pandemic strain; food borne outbreaks

A

v. parahemolyticus serotype O3:K6

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17
Q

hemolysis lyses human RBCs

A

kanagawa phenomenon

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18
Q

selective medium for v. parahemolyticus –
high salt mannitol medium

A

wagatsuma agar

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19
Q

lactose-positive vibrio
second to v. cholerae in producing serious type of vibrio

A

v. vulnificus

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20
Q

from eating raw oysters, fish and TILAPIA

A

v. vulnificus

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21
Q

least pathogenic vibrio- strictly halophile 1-10% NaCl

OCCUPATIONAL HAZARD fishermen and sailors

A

v. alginolyticus

22
Q

vibrio species should be collected and transported only to – medium

A

cary-blair

23
Q

yellow colonies on TCBS: CAM- v. cholerae, v. alginolyticus, v. metschnikovii

A

sucrose fermenters

24
Q

green colonies on TCBS:

A

non-sucrose fermenters

25
USES 0.5% nA DEOXYCHOLATE
string test
26
differentiates vibrio from aeromonas += vibrio
string test
27
used to separate vibrios (SUSCEPTIBLE) from aeromonas (RESISTANT)
vibriostatic test
28
differentiate v. cholerae 01 and non-O1 from other vibrio
vibriostatic test
29
best method for vibrio spp
API 20E
30
strains that resembles v.cholerae but fail to agglutinate in O1 antisera are reffered
v. cholerae non-01
31
antigenic structure: O and K antigens
v. parahemolyticus
32
fresh water, chlorinated water BULLS EYE COLONIES, APRON-like patterns
aeromonas
33
CA RED LEG diseases in frogs CA traveler's diarrhea similar to ETEC
aeromonas
34
group of aermonas a.salmonicida (fish pathogen)
psychrophilic group
35
most common isolate (aeromonas)
a. caviae
36
CAMPYLOBACTER requires 5-10% oxygen (microaerophilic) except for -- ANAEROBE
c. rectus, c. carvus
37
CA of guillan-barre syndrome causing sterility and abortion
campylobacter
38
SEAGULL-wing shaped tailling effect along the streak line runny spreading
campylobacter
39
most common cause of bacterial gastroenteritis worldwide from contaminated chicken and turkey
c. jejuni
40
causes septic arthritis DARTING MOTILITY
c. jejuni
41
recommended counterstain for campylobacter
carbolfuchsin
42
used in direct detection of c. jejuni and c. coli
EIA
43
S-shaped rods resembling campylobacter STRONG UREASE ACTIVITY
helicobacter
44
major cause of type B gastritis, peptic ulcer, gastric carcinoma
h. pylori
45
neutralizes gastric acid
urease
46
isolated from blood of patients with bacteremia and patients with HIV
h. cinaedi
47
medium used for tissue biopsy material: helicobacter
stuarts
48
presence of - stimulates further growth
hemin
49
excellent sensitivity and specificity in helicobacter
urea breath test, PCR
50
Enteric pathogens
YESS yersinia, salmonella, shigella, e.coli O157:H7 PVAC plesiomonas shigelloides, vibrio, aeromonas, campylobacter

CRAM SEMR (7 decks)

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