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2ndYr bacteriology > F, lec (enterobacteriaceae19) > Flashcards

F, lec (enterobacteriaceae19) Flashcards

(88 cards)

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1
Q

family enterobaceriaceae is also called

A

enterics

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2
Q

enterobacteriaceae do not produce cytochrome oxidase except for

A

plesiomonas

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3
Q

all enterobacteriaceae ferment

A

glucose

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4
Q

enterobacteriaceae reduce nitrate to nitrite except for

A

photorhabdus and xenorhabduls

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5
Q

all enterobacteriaceae are motile in body temp except for

A

kleibsiella, shigella, yersinia

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6
Q

characteristics microscopically

A

gram neg, non spore forming, facultatively anaerobic, coccobacilli or straigh rods

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7
Q

many isolates of e coli are what hemolytic

A

beta

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8
Q

e coli, k pneumoniae, kleibsiella oxytoca clinical strains produce

A

plasmid-mediated extended spectrum bete lactamase

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9
Q

somatic antigen

A

o antigen

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10
Q

flagellar antigen

A

h antigen

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11
Q

capsular antigen

A

k antigen

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12
Q

reside where

A

GI tract

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13
Q

only spp that arent normal flora

A

salmonella, shigella, yersinia

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14
Q

most significant species

A

e coli

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15
Q

harmless member of yhe colon

A

e coli

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16
Q

used as primary marker of fecal contamination in water quality testing

A

e coli

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17
Q

t or f: e coli containes all antigens

A

true

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18
Q

e coli has cross reactivity with

A

o antigen

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19
Q

lactose positive (pink) colony with surrounding area of precipitated bile salts on MAC agar

A

e coli

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20
Q

e coli on MAC what color

A

pink

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21
Q

e coli on EMB what color

A

green metallic sheen

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22
Q

• Fermentation of glucose, lactose, trehalose, and xylose
• Production of indole from tryptophan
• Glucose fermentation by the mixed acid pathway: methyl red-positive and Voges-Proskauer-negative
• Does not produce HaS, DNase, urease, or phenylalanine deaminase
• Cannot use citrate as a sole carbon source

A

e coli

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23
Q

most common cause of UTI

A

e coli

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24
Q

kills immune effector cells

A

cytolysins

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25
ability of e coli to cause UTI is due to
production of pili
26
toxin causes diarrhea of adults and especially children, causes TRAVELERS DIARRHE
enterotoxigenic e coli ETEC
27
travelers diarrhea
e coli
28
ETEC produces these toxin
heat labile toxin and heat stable toxin
29
causes infertile diarrhea, nosocomial, stool with mucus
enteropathogenic e coli EPEC
30
toxin that is very similar with shigella spp
enteroinvasive e coli EIEC
31
detects invasiveness of EIEC
human epithelial-2 cells
32
enterogemorrhagic e coli is also known as
O157:H7 strain
33
toxin hemorrhagic diarrhea, colitis, hemolytic uremic syndrome. STOOL HAS NO LEUKOCYTE.
enterohemorrhagic e coli
34
e coli O157:H7 two cytotoxin
verotoxin I and II
35
phage incoded similar to shiga toxin
verotoxin I
36
enteroadherant e coli associated with UTI and diarrhe
DAEC
37
enteroadherant e coli associated with diarrheo only
EAEC
38
yellow, CSF
e hermannii
39
isolated from humans with infected wounds
e vulneris
40
e spp associatied with diarrheal dissesse in children
e albertii
41
frequent cause of lower respiratory tract infrctions among hospital and immunocompromised patients
k pneumoniae
42
similar to k pneumoniae but is indole +
k oxytoca
43
isolated from patients wuth rhinoscleroma
k pneumoniae subp. rhinoscleromatis
44
motile and resembles kleibsiella
enterobacter
45
produces orinthine decarboxylase
klebsiella and enterobacter spp
46
lysine decarboxylase is produces by most enterobacter spp except for
e gergoviae and e cloacae
47
caused nationwide outbreaks of septicemia due to intravenous fluid
pantoea agglomerans
48
yellow pigment, pathogen in neonates causing meningitis and bacteremia POWDERED INFANT FORMULA
cronobacter sakazakii
49
ferment lactose slowly and are positive for the o-nitrophenyl-ß-D-galactopyranoside (ONG) test. to produce extracellular DNase. PINK TO RED PIGMENT
serratia
50
grows on beer wort of breweries
hafnia alvei biogroup 1
51
delated positive citrate reaction
hafnia
52
most common proteus
p mirabilis
53
proteus that are recognized worldwide
p mirabilis and p vulgaris
54
swarming colonies
p mirabilis
55
documented case of UTI
m morganii
56
documented PATHOGEN of UTI. diarrheal disease among travelers
providencia rettgeri
57
implicated outbreaks in burn units
providencia stuartii
58
found in feces of children with diarrhe
providencia alcalifaciens
59
negative for urea and positive for lysine decarboxylase, H2S, and indole
edwardsiella
60
plant pathogen
erwinia and pectobacterium
61
hydrolyze urea slowly and ferment lactose. grow on SIMMONS CITRATE medium. POSITIVE METHYL RED test. isolated in diarrheal stool cultures. ENDOCARDITIS IN DRUG ABUSERS. mistaken for SALMONELLA
citrobacter freundii
62
primary intestinal pathogens
salmonella, shigella, yersinia
63
- no ferment lactose - negative indole, voges-proskauer, phenylalanine deaminase, urease - produce H - does not grow in medium with POTASSIUN CYANIDE
salmonella
64
salmonella virulence
fimbrae, enterotoxin, traverse intestinal mucosa, gastroenteritis
65
antigen of salmonella
o and h antigen few k antigens
66
important for identifying salmonella serotyoe typhi
vi antigen
67
cause typhoid fevere
salmonella
68
causes acute gastroenteritis or food poisoning
salmonella
69
linked to calves and poultry
gastroenteritis
70
prolonged fever, bacteremia, involvement of reticuloendothelial system, dissemination to multiple organs
enteric fevers
71
caused by nontyphoidal salmonella
bacteremia
72
individuals who recover from infection and become chronic carrier
carrier state
73
not normal flora of GI and causes BACILLARY DYSENTERY
shigella
74
- non motile - no gas from glucose - no hydrolyze urea - no produce H2S - no decarboxylate lysine
shigella
75
shigella that can decarboxylate ornithine
shigella sonnei
76
shigella antigens
all spp O, some K
77
causative agent of the ancient disease plague
yersinia pestis
78
three forms of yersinia pestis
bubonic, glandular, pneumonic
79
safety pin appearance
y pestis
80
yersinia from pets
y enterolytica
81
gram neg coccobacilli with bipolar staining
y enterolytica
82
yersinia that grows well in cold
y enterolytica
83
selective media for y enterolytica
cefsulodin-irgasan-novobiocin
84
pathogen of rodents, guinea pigs, birds are reservoirs
yersinia pseudotuberculosis
85
swelling cause by y pseudotuberculosis is called
pseudotubercles
86
family of enterobacterceae grows well at what temp
35-37 1-5 serratia and yersinia 45-50 e coli
87
88
fecal pathogen are usually
nonlactose fermenting

2ndYr bacteriology (9 decks)

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