(Part 2) 2.20.1 Enterobacteriaceae Flashcards
Enterics are gram?
Negative
What is the atm requirements for Enterics?
Facultative
ALL Enterics do not produce Cytocrome oxidase
T or F
F
Plesiomonas is the only Oxidase +
All Enterics ferments Lactose
T or F
F
All of them ferment glucose
All Enterics are motile except?
SKY
Shigella
Klebsiella
Yersinia
Selective-differential agar includes:
MAC
Eosin Methylene blue agar
Hektoen Enteric agar
Salmonella Shigella Agar
Which of the followig does not belong
None
Antigen ID:
O antigen is also known as?
Somatic antigen
Antigen ID:
H antigen is also known as?
Flagella antigen
Antigen ID:
K antigen is also known as?
Capsule antigen
Antigen ID that is located on cell wall
O antigen
Antigen ID that is located on flagella
H antigen
Antigen ID that is located in polysaccharide in certain encapsulated spp.
K
Which among the Antigen ID is Heat stable?
O antigen
(Isipin mo na ung O ay Shield sa heat)
All enterics reside in GI tract
T or F
F
Except for SSY (Salmonella, Shigella, Yersinia which they reside in natural environment)
Most significant genus in Escherichia
E. coli
E. coli contains all Antigen ID?
T or F
T
Contains O, H, K
E. coli is an important human pathogen causing _____(90%), cNS infection and diarrheal diseases
UTI
E coli remains one of the most common causes of septicemia and meningitis among Adults
T or F
F
Neonates
What are the 5 major Categories of Diarrheagenic E. coli?
EnteroToxigenic
EnteroInvasive
EnteroPathogenic
EnteroHemorragic
EnteroAdherent
(TIP HA)
Which among the E.coli causes Dysentery (Pus Diarrhea) similar to that produced by Shigella
Enteroinvasive E. coli
Which among the E.coli causes infantile Diarrhea which usually cause in Nurseries and Daycare center
Enteropathogenic E.coli
Which among the E.coli causes diarrhea when people visit tropics?
Enterotoxigenic E.coli
(Tropics = Toxigenic)
Enterotoxigenic E. coli causes a diarrhea which is known as?
Traveller’s diarrhea
(Traveller’s = Toxigenic)
Which among the E.coli causes a Bloody diarrhea
Enterohemorrhagic E. coli
What is the E.coli Strain specific for EHEC?
E.coli O157:H7
In EHEC, the stool contains leukocytes, which distinguish it from dysentery caused by Shigella or EIEC
T or F
F
No leukocytes
What are the 2 Cytotoxin produce by E.coli O157:H7?
Verotoxin 1 and 2
Type of E. coli that is generally associated with 2 kings of human disease: Diarrheal syndromes and UTIs
Enteroadherent E.coli
