Enterobact 3-1

Characteristic/s of Enterobacteriaceae is/are:

• Gram-positive bacilli

• facultative anaerobe

• catalase-positive

• cytochrome oxidase-neagtive

Serological characteristics of Salmonella spp. is/are:

• O (somatic) antigen - cell wall Ag

• K (envelope) antigen -capsular A

• H (flagellar) Ag

• Vi Ag - capsular Ag of S. typhi

Give an example of a Rapid Lactose Fermenter (RLF)

Give an example of a Late Lactose Fermenter (LLF)

Give an example of a Rapid Urease Fermenter (RUF)

Give an example of a Slow Urease Fermenter (SUF)

The following is/are pathogenic species of Yersinia:

• Y. pestis

• Y. enterocolitica

• Y. pseudotuberculosis

• Y. gergoviae

The following is/are strains of Escherichia coli:

• ETEC

• EPEC

• EIEC

• EAEC

• EHEC

Biochemical tests for Enterobacteriaceae differentiation:

• Urease test

• IMViC

• GFT

• TSHFT

• Motility test

Shigella, Klebsiella & Yersinia are non-motile Enterobacteriaceae at 37 degreeC

• True

• False

• Maybe