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Microbiology > Coliform Opportunistic Enterobacteriaceae > Flashcards

Coliform Opportunistic Enterobacteriaceae Flashcards

1
Q

Coliform Opportunistic Enterobacteriaceae

A

Klebsiella
Escherichia
Enterobacter
Serratia

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2
Q

Escherichia and Shigella Antigens

A

O Antigens

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3
Q

Escherichia and Klebsiella Antigen

A

K Antigen

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4
Q

Escherichia and Salmonella Antigen

A

H Antigen

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5
Q

Klebsiella pneumonia characteristics

A

Rapid fermenter of Lactose
Non-motile
NF: Resp. and Enteric tract
Colonies: Mucoid growth
Capsule: K Antigen

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6
Q

K. pneumoniae has emerging resistance to

A

Carbapenems
Imipenem
Meropenem

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6
Q

Treatment of K. pneumoniae

A

High dose of carbapenem
Colistin, Tigecycline, Fosfomycin, Gentamicin
Ceftazidin, Avibactam

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7
Q

Klebsiella pneumoniae causes Nosocomial infections in Immunocompromised patients

A

HAP
Meningitis
UTI
Wound or Surgical Infections

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8
Q

Characteristics of E. coli

A

NF: Intestine
Rapid lactose fermenter
Peritrichous

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9
Q

Diseases caused by E. coli

A

UTI
Gastroenteritis
Sepsis
Meningitis

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10
Q

Pathovars of gastroenteritis caused by E. coli

A

Enterotoxigenic E. coli
Enteropathogenic E. coli
Enteroinvasive E. coli
Enteroaggregative E. coli
Enterohemorrhagic E. coli

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11
Q

Cause of diarrhea in infants and Traveler’s Diarrhea

A

Enterotoxigenic E. coli

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12
Q

Traveler’s Diarrhea

A

Montezuma’s Revenge

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13
Q

Two toxins produced by ETEC

A

Heat labile toxin
Heat stable toxin

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14
Q

Heat stable toxin

A

Toxin that stimulates fluid secretion

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15
Q

Heat labile toxin

A

Increase local concentration of cAMP
Cholera-like toxin
Hypersecretion of water and chlorides
inhibition of Na absorption

16
Q

Treatment for ETEC

A

Azithromycin

17
Q

Causes infantile diarrhea

A

Enteropathogenic E. coli

18
Q

Cause Shigella-like diarrhea

A

Enteroinvasive E. coli

19
Q

Cause “stacked-brick” pattern on tissue culture cell

A

Enteroaggregative E. coli

20
Q

Cause watery diarrhea, acute and chronic diarrhea

A

Enteroaggregative E. coli

21
Q

Shiga toxin producing E. coli

A

Enterohemorrhagic E. coli

22
Q

Diseases caused by EHEC

A

Hemorrhagic colitis
Hemolytic uremic syndrome

23
Q

Most common serotype of EHEC

A

017:H7

24
Q

Source of EHEC

A

Ground beef
Apple cider

25
Q

Leading cause if meningitis in infants

A

E. coli and Group B streptococci

26
Q

Common opportunistic pathogen in hospitalized patients

A

Serratia marsescens

27
Q

Diseases caused by Serratia marcescens

A

Pneumonia
Bacteremia
Endocarditis

28
Q

Colonies produced by Serratia marcescens

A

Red pigment (Prodigiosin)

Microbiology (17 decks)

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