Bacte Lec - Entero Part 1

Question 1

appearance of enterobacteriaceae on BA

Answer 1

dull gray colonies

Question 2

swarming phenomenon exhibited by

Answer 2

proteus mirabilis

Question 3

appearance of E coli on emb

Answer 3

GMS

Question 4

appearance of enterobacter on emb

Answer 4

blue fish-eye

Question 5

mucoid colonies because of rich mucopolysaccharide capsule [what bacteria]

Answer 5

klebsiella

Question 6

test for klebsiella

Answer 6

string test

Question 7

appearance of salmonella producing H2S on bismuth sulfite

Answer 7

black colonies

Question 8

carrot like color colonies on HE meaning

Answer 8

LF

Question 9

blackening on HE meaning

Answer 9

H2S production

Question 10

prelim test whether organism is actually LF or NF

Answer 10

TSI

Question 11

TSI: yellow deep meaning

Answer 11

glucose fermenter

Question 12

TSI: yellow slant meaning

Answer 12

lactose/sucrose fermenter

Question 13

TSI: Black butt

Answer 13

H2S production

Question 14

TSI: What organism, similar to uninoculated control

Answer 14

P. aeruginosa

Question 15

TSI: yellow butt but red slant [organism]

Answer 15

Shigella sonnei, thus glucose fermenter only

Question 16

is P. aeruginosa LF or NF

Answer 16

NF

Question 17

TSI: yellow all with displacement organism

Answer 17

E. coli

Question 18

TSI: black butt

Answer 18

Salmonella typhi

Question 19

TSI: yellow slant black butt

Answer 19

P. mirabilis