4.7.2.1 Vibrio cholerae

Question 1

3 major subgroups in antigenic structure for vibrio?

Answer 1

V. cholerae O1, V. cholerae O139 , V. cholerae non-O1

Question 2

The 3 major subgroups share what common antigen?

Answer 2

H and O

Question 3

Milder disease without cholera toxin and usually fail to agglutinate in O1 antigen?

Answer 3

Non-O1

Question 4

Antigenic structure that has the causative agent of cholera

Answer 4

V. cholerae O1

Question 5

Other name for cholera?

Answer 5

Asiatic cholera or epidemic cholera

Question 6

What antigenic structure is associated with epidemic cholera?

Answer 6

O1 and O139

Question 7

What are the subtypes of V. cholerae O1?

Answer 7

Ogawa
Inaba
Hikojima

Question 8

What are the biogroups of V. cholerae O1?

Answer 8

Classic

El tor

Question 9

Virulence factor of V. cholerae?

Answer 9

Cholera toxin (Choleragen)

Question 10

What stool is created in Cholera toxin?

Answer 10

Rice water stools

Question 11

MOT of V. cholerae?

Answer 11

Drinking tainted water
Improper preservation of foods

Question 12

Polymxyxin B Susceptibility = Susceptible
Chicken RBC agglutination (-)
Hemolysis of Sheep RBC (-)
VP (-)

Answer 12

Classical

Question 13

Polymxyxin B Susceptibility = Resistant
Chicken RBC agglutination (+)
Hemolysis of Sheep RBC (+)
VP (+)

Answer 13

El tor

Question 14

V. cholerae is what CHO fermenter?

Answer 14

sucrose