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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
Q

USES 0.5% nA DEOXYCHOLATE

A

string test

26
Q

differentiates vibrio from aeromonas
+= vibrio

A

string test

27
Q

used to separate vibrios (SUSCEPTIBLE) from aeromonas (RESISTANT)

A

vibriostatic test

28
Q

differentiate v. cholerae 01 and non-O1 from other vibrio

A

vibriostatic test

29
Q

best method for vibrio spp

A

API 20E

30
Q

strains that resembles v.cholerae but fail to agglutinate in O1 antisera are reffered

A

v. cholerae non-01

31
Q

antigenic structure: O and K antigens

A

v. parahemolyticus

32
Q

fresh water, chlorinated water
BULLS EYE COLONIES, APRON-like patterns

A

aeromonas

33
Q

CA RED LEG diseases in frogs
CA traveler’s diarrhea similar to ETEC

A

aeromonas

34
Q

group of aermonas

a.salmonicida (fish pathogen)

A

psychrophilic group

35
Q

most common isolate (aeromonas)

A

a. caviae

36
Q

CAMPYLOBACTER requires 5-10% oxygen (microaerophilic) except for – ANAEROBE

A

c. rectus, c. carvus

37
Q

CA of guillan-barre syndrome
causing sterility and abortion

A

campylobacter

38
Q

SEAGULL-wing shaped
tailling effect along the streak line
runny spreading

A

campylobacter

39
Q

most common cause of bacterial gastroenteritis worldwide from contaminated chicken and turkey

A

c. jejuni

40
Q

causes septic arthritis
DARTING MOTILITY

A

c. jejuni

41
Q

recommended counterstain for campylobacter

A

carbolfuchsin

42
Q

used in direct detection of c. jejuni and c. coli

A

EIA

43
Q

S-shaped rods resembling campylobacter
STRONG UREASE ACTIVITY

A

helicobacter

44
Q

major cause of type B gastritis, peptic ulcer, gastric carcinoma

A

h. pylori

45
Q

neutralizes gastric acid

A

urease

46
Q

isolated from blood of patients with bacteremia and patients with HIV

A

h. cinaedi

47
Q

medium used for tissue biopsy material: helicobacter

A

stuarts

48
Q

presence of - stimulates further growth

A

hemin

49
Q

excellent sensitivity and specificity in helicobacter

A

urea breath test, PCR

50
Q

Enteric pathogens

A

YESS
yersinia, salmonella, shigella, e.coli O157:H7

PVAC
plesiomonas shigelloides, vibrio, aeromonas, campylobacter

CRAM SEMR (7 decks)

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