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GI Micro (Quick) > Enterics/Anaerobes II > Flashcards

Enterics/Anaerobes II Flashcards

(67 cards)

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1
Q

Dysentery + fever

A

EIEC

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1
Q

Rearranges cytoskeleton (actin) to move

A

EIEC

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1
Q

Intracellular infection –> loss of nml cell signaling transduction

A

EPEC

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1
Q

Watery +/- bloody diarrhea, no fever

A

EPEC

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1
Q

incr osteomyelitis risk w/ SCD

A

Salmonella enteritidis + S. typhimuium

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1
Q

Migrates ro RES

A

Salmonella typhi

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1
Q

May cause Reiter’s

A

Yersinia enterocolitica

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2
Q

Humans = only reservoir

A

EIEC, Shigella

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2
Q

2 types of type III (inj into M cells + macrophages)

A

Salmonella typhi

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2
Q

Perforation of GIT at necrotic peyer’s patches –> hemorrhage

A

Salmonella typhi

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3
Q

Sudden-onset of abd cramps, watery diarrhea –> bloody diarrhea in 24h (+/- fever)

A

EHEC

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5
Q

Fecal leukocytes

A

Shigella

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7
Q

LEE from PAI mediates attachment and effacement

A

EHEC, EPEC

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7
Q

3rd world inf

A

EIEC

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8
Q

Secretes LT (binds GM1 gangliosides, ADP ribosylase) + ST (binds guanylyl cyclase receptor)

A

ETEC

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8
Q

Loss of microvilli –> osmotic diarrhea

A

EPEC

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9
Q

Localized inf of macrophages in lamina propria -> gastroenteritis

A

Salmonella enteritidis + S. typhimuium

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10
Q

Non-motile E. coli

A

EIEC

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11
Q

meat, dairy, poultry, reptiles, turtles

A

Salmonella enteritidis + S. typhimuium

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13
Q

Abx contraindicated due to lysogenic phase

A

EHEC

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14
Q

Contaminated food/water –> watery diarrhea

A

ETEC

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15
Q

Enter gut M cell –> escape phagocytic vesicle –> affects neighboring enterocytes

A

Shigella

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16
Q

colonizes SI via fimbriae

A

ETEC

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17
Q

Tir secreted to bridge intimin w/ enterocyte

A

EHEC

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17
K-antigen --\> neonatal meningitis
UPEC
19
phage encoded cytotoxin cleaves 28S RNA of ribosome
EHEC, Shigella
20
O1H57
EHEC
20
Large invasion plasmid (can get into lamina propria)
Shigella
22
Does not decarboxylate lysine
EIEC
23
Shiga toxin
EHEC, Shigella
23
incr bacteremia risk w/ AIDS + Hodgkins
Salmonella enteritidis + S. typhimuium
25
MDR
S. dysenteriae
26
Vi capsule inh neutrophil uptake
Salmonella typhi
28
Produces more Shigella toxin than others
S. dysenteriae
29
Multiplies w.in epithelial cells of colon
EIEC
30
MC cause of Shigellosis in US
S. sonnei
31
Opportunistic cause of meningitis in neonates, brain abscesses, endocarditis
Citrobacter
32
eggs
Salmonella enteritidis
34
P fimbrae
UPEC
35
Moderately invasive + inflammatory response
EPEC
35
Live attenuated oral vaccine
Salmonella typhi
36
MC cause of AKI in peds patients
EHEC
37
Sorbitol negative
EHEC
38
Pseudoappendicitis
Yersinia enterocolitica
40
Non motile glu fermenter
Shigella
41
NV, abd cramps 20-72h after eating
Salmonella enteritidis + S. typhimuium
42
Watery diarrhea + abd pain --\> scant bloody diarrhea + mucus/pus + cramps + tenesmus
Shigella
44
Microthrombi --\> HUS (anemia, acute renal failure)
EHEC, Shigella
45
Insidious rising fever, HA, abd pain, conf, rosette spots
Salmonella typhi
46
MC in gay men
S. flexneri
48
Invades/destroys colonic tissue
EIEC
49
Siderophores
UPEC
50
PAI type III secretion (M cells)
Salmonella enteritidis + S. typhimuium
51
Leading cause of infantile diarrhea (3rd world)
EPEC
52
Hemolysin (= forms pores)
UPEC
54
Glu fermenter w/ gas + H2S
Salmonella enteritidis + S. typhimuium
55
Cattle, bad milk, contaminated water, daycares
EHEC
56
Enterocolitis, fever, diarrhea, abd pain (mesenteric lymphadenitis)
Yersinia enterocolitica
57
MC in old/young
Salmonella enteritidis + S. typhimuium
58
Indian subcontinent
S. boydii
60
S + Central Am
S. dysenteriae
61
aggressive abx (ceftriaxone)
Salmonella typhi
62
Pigs + pets
Yersinia enterocolitica
63
Non-lac fermenting E. coli
EIEC
64
MC cause of Traveler's diarrhea + other causes
ETEC (MC), EIEC
66
Glu fermentation w/o gas, H2S
Salmonella typhi
67
EAF mediates localized binding
EPEC

GI Micro (Quick) (3 decks)

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