BACTE LAB - Finals Practicals

Question 1

Urease +

Answer 1

pink to red

Question 2

XLD Yellow colonies without black center ferments what sugar

Answer 2

xylose

Question 3

XLD Yellow colonies without black center ferments what organism

Answer 3

Escherichia coli
Serratia marcescens
Klebsiella pneumoniae

Question 4

XLD red colonies without black center ferments what organism

Answer 4

Shigella dysenteriae

Question 5

Appearance of Serratia marcescens on XLD

Answer 5

Yellow colonies without black center

Question 6

Appearance of Escherichia coli on XLD

Answer 6

Yellow colonies without black center

Question 7

Appearance of Klebsiella pneumoniae on XLD

Answer 7

Yellow colonies without black center

Question 8

Appearance of Shigella dysenteriae on XLD

Answer 8

red colonies without black center

Question 9

XLD red colonies without black center ferments what sugar

Answer 9

not xylose

Question 10

SSA pink to red colonies w/o black center

Answer 10

Shigella sonnei

Question 11

SSA yellow to colorless colonies

Answer 11

Shigella dysenteriae
Shigella flexneri
Shigella boydii

Question 12

Appearance of Shigella sonnei on SSA

Answer 12

pink to red colonies w/o black center

Question 13

Appearance of Shigella boydii on SSA

Answer 13

yellow to colorless colonies

Question 14

Appearance of Shigella dysenteriae on SSA

Answer 14

yellow to colorless colonies

Question 15

TCBS

Yellow colonies

Answer 15

Vibrio cholerae

Vibrio alginolyticus

Question 16

TCBS

Green colonies

Answer 16

Vibrio parahaemolyticus

Question 17

appearance of Vibrio cholerae in TCBS

Answer 17

Yellow colonies

Question 18

appearance of Vibrio alginolyticus in TCBS

Answer 18

Yellow colonies

Question 19

appearance of Vibrio parahaemolyticus in TCBS

Answer 19

Green colonies

Question 20

BSA Black metallic sheen colonies

Answer 20

Salmonella typhi

Question 21

BSA appearance of Salmonella typhi

Answer 21

Black metallic sheen colonies

Question 22

MSA yellow colonies ferments what sugar

Answer 22

mannitol

Question 23

appearance of staphylococcus aureus on MSA

Answer 23

Yellow colonies

Question 24

MSA yellow colonies

Answer 24

S. aureus

Question 25

Beta hemolysis shown by what organism

Answer 25

P. aeruginosa

Question 26

MSA pink colonies

Answer 26

non mannitol fermenter | S. epidermidis

Question 27

Non mannitol fermenter

Answer 27

S. epidermidis

Question 28

Appearance of S. epidermidis on MSA

Answer 28

pink colonies

Question 29

EMB GMS

Answer 29

Escherichia coli

Question 30

EMB Large pink mucoid colonies

Answer 30

Klebsiella pneumoniae

Question 31

EMB appearance of Klebsiella pneumoniae

Answer 31

large pink mucoid colonies

Question 32

EMB appearance of Escherichia coli

Answer 32

Green metallic sheen colonies

Question 33

HEA Blue to green colonies w/ black center

Answer 33

Providencia rettgeri Morganella morganii Shigella dysenteriae

Question 34

HEA Yellow to orange colonies w/o black center

Answer 34

Escherichia coli Klebsiella pneumoniae Enterobacter aerogenes

Question 35

MAC Pink to red colonies

Answer 35

Escherichia coli

Question 36

MAC Yellow to colorless colonies

Answer 36

Non-lactose fermenters

Question 37

MAC Pink to red colonies ferment what sugar

Answer 37

lactose

Question 38

Appearance of E. coli on MAC

Answer 38

Pink to red colonies

Question 39

Appearance of yellow to colorless colonies on MAC

Answer 39

lactose

Question 40

HEA appearance of Escherichia coli

Answer 40

yellow to orange colonies without black center

Question 41

HEA appearance of Klebsiella pneumoniae

Answer 41

yellow to orange colonies without black center

Question 42

HEA appearance of Enterobacter aerogenes

Answer 42

yellow to orange colonies without black center

Question 43

HEA appearance of Providencia rettgeri

Answer 43

blue to green colonies without black center

Question 44

HEA appearance of Morganella morganii

Answer 44

blue to green colonies without black center

Question 45

HEA appearance of Shigella dysenteriae

Answer 45

blue to green colonies without black center