Bacte lec - TSI Reactions

Question 1

A/ encircled A

Answer 1

Escherichia Klebsiella Enterobacter

Question 2

A/encircled A+

Answer 2

Citrobacter freundii

Question 3

A/ encircled A interpretation

Answer 3

glucose/lactose/sucrose with acid

with gas production

Question 4

A/encircled A+

Answer 4

glucose/lactose/sucrose with acid

with gas production with H2S production

Question 5

Glucose w/ acid & gas

Lactose &/or sucrose w/ acid & gas organism/s

Answer 5

Escherichia Klebsiella Enterobacter

Question 6

Glucose w/ acid & gas

Lactose or sucrose not fermented

Answer 6

Salmonella, Proteus, Citrobacter

Question 7

K/ encircled A +

Answer 7

Salmonella, Proteus, Citrobacter

Question 8

Glucose w/ acid; no gas
Lactose or sucrose not fermented
No H2S production

Answer 8

Shigella, Serratia, Salmonella, Proteus, Providencia

Question 9

Glucose not fermented
Lactose or sucrose not fermented
No H2S production

Answer 9

Pseudomonas

Alcaligenes

Question 10

Glucose fermented w/ gas Lactose or sucrose fermented

W/ H2S production

Answer 10

Citrobacter freundii

Question 11

K/encircled A +

Answer 11

Salmonella, Proteus, Citrobacter

Question 12

K/A -

Answer 12

Shigella, Serratia, Salmonella, Proteus, Providencia

Question 13

K/K -

Answer 13

Pseudomonas

Alcaligenes