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

Enterics/Anaerobes II Flashcards

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
Q

K-antigen –> neonatal meningitis

A

UPEC

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19
Q

phage encoded cytotoxin cleaves 28S RNA of ribosome

A

EHEC, Shigella

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20
Q

O1H57

20
Q

Large invasion plasmid (can get into lamina propria)

22
Q

Does not decarboxylate lysine

23
Q

Shiga toxin

A

EHEC, Shigella

23
Q

incr bacteremia risk w/ AIDS + Hodgkins

A

Salmonella enteritidis + S. typhimuium

25
Q

MDR

A

S. dysenteriae

26
Q

Vi capsule inh neutrophil uptake

A

Salmonella typhi

28
Q

Produces more Shigella toxin than others

A

S. dysenteriae

29
Q

Multiplies w.in epithelial cells of colon

30
Q

MC cause of Shigellosis in US

31
Q

Opportunistic cause of meningitis in neonates, brain abscesses, endocarditis

A

Citrobacter

32
Q

eggs

A

Salmonella enteritidis

34
Q

P fimbrae

35
Q

Moderately invasive + inflammatory response

35
Q

Live attenuated oral vaccine

A

Salmonella typhi

36
Q

MC cause of AKI in peds patients

37
Q

Sorbitol negative

38
Q

Pseudoappendicitis

A

Yersinia enterocolitica

40
Q

Non motile glu fermenter

41
Q

NV, abd cramps 20-72h after eating

A

Salmonella enteritidis + S. typhimuium

42
Q

Watery diarrhea + abd pain –> scant bloody diarrhea + mucus/pus + cramps + tenesmus

44
Q

Microthrombi –> HUS (anemia, acute renal failure)

A

EHEC, Shigella

45
Q

Insidious rising fever, HA, abd pain, conf, rosette spots

A

Salmonella typhi

46
Q

MC in gay men

A

S. flexneri

48
Q

Invades/destroys colonic tissue

49
Q

Siderophores

50
Q

PAI type III secretion (M cells)

A

Salmonella enteritidis + S. typhimuium

51
Q

Leading cause of infantile diarrhea (3rd world)

52
Q

Hemolysin (= forms pores)

54
Q

Glu fermenter w/ gas + H2S

A

Salmonella enteritidis + S. typhimuium

55
Q

Cattle, bad milk, contaminated water, daycares

56
Q

Enterocolitis, fever, diarrhea, abd pain (mesenteric lymphadenitis)

A

Yersinia enterocolitica

57
Q

MC in old/young

A

Salmonella enteritidis + S. typhimuium

58
Q

Indian subcontinent

60
Q

S + Central Am

A

S. dysenteriae

61
Q

aggressive abx (ceftriaxone)

A

Salmonella typhi

62
Q

Pigs + pets

A

Yersinia enterocolitica

63
Q

Non-lac fermenting E. coli

64
Q

MC cause of Traveler’s diarrhea + other causes

A

ETEC (MC), EIEC

66
Q

Glu fermentation w/o gas, H2S

A

Salmonella typhi

67
Q

EAF mediates localized binding

GI Micro (Quick) (3 decks)

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