Non-Ent 3-3

Virulence factor(s) of Helicobacter pylori is/are

• urease

• adhesins

• flagellin

• All

• None

It is also known as "lactose-positive" Vibrio spp

• V. cholerae

• V. vulnificus

• V. parahemolyticus

• V. mimicus

Sucrose-fermenter Vibrio spp produce what type of colonies on TCBS?

• Red

• Yellow

• Green

• Blue

What serological group of Vibrio that causes "cholera"

• V. cholerae 01

• V. cholerae 00

• V. cholerae 02

• V. cholerae 0139

Which of the following composition/s of TCBS inhibits the growth of Gram (+) organisms

• Sucrose

• 1% NaCl and Bile salts

• Bromthylmol blue & thymol blue

• All

• None

It is an enrichment broth for Vibrio spp.

• Selenite F

• Alkaline Peptone Water

• Both

• Neither

Aeromonas spp. has the following biochemical reactions EXCEPT:

• Catalase - negative

• Oxidase - positive

• DNAse - positive

• Esculin hydrolysis - positive

Which microorganism/s is/are identified as curved "seagull-winged", S-shaped or spiral bacilli

• Helicobacter

• Campylobacter

• Enterobacter

• Citrobacter

Which causes peptic ulcer & duodenal ulcers?

• Helicobacter pylori

• Campylobacter jejuni

• Both

• Neither

It is the etiologic agent of "summer diarrhea"

• V. cholerae

• V. vulnificus

• V. parahemolyticus

• V. mimicus