P2. Enrichment broth examples.

Question 1

examples of EB:

Answer 1

1. APW - Alkaline Peptone Water
2. Selenite F Broth
3. THIO -Thioglycolate Broth
4. GN Broth
5. Todd-Hewitt Broth

Question 2

• watery specimen
• selectively favor the growth of Vibrio while inhibiting other normal intestinal flora
• high pH & high salt concentration

Answer 2

APW - Alkaline Peptone Water

Vibrio can tolerate high pH & high salt concentration

Question 3

selectively favor the growth of Salmonella while inhibiting all other normal intestinal flora.

Answer 3

Selenite F Broth

Question 4

• EB for ANAEROBIC BACTERIA
• ISOLATION anaerobic bacteria

Answer 4

THIO broth

bacteria usually growns at the bottom of THIO broth

Question 5

selectively favor the growth of SALMONELLA & SHIGELLA while inhibiting all other intestinal flora.

Answer 5

GN Broth

Question 6

liquid enrichment recommended for the production of STREPTOCOCCAL HEMOLYSIN & the cultivation of STREPTOCOCCI prior to serological grouping

Answer 6

Todd-Hewitt Broth

Question 7

VIRULENCE factor of Streptococcus…

Answer 7

Hemolysin