GNR

Question 1

What genera are lac pos

Answer 1

CEEKS:
Citrobacter
Enterobacter
Escherichia
Klebsiella
Serratia

Question 2

What genera are lac neg

Answer 2

EMPPSSY:
Edwardsiella
Morganella
Proteus
Providencia
Yersinia

Question 3

What are the characteristics for lac pos

Answer 3

facultative anaerobes
non fastidious
most normal fecal flora
ubiqutious in nature
reduced nitrates to nitrites
oxidase neg
all ferment glucose
G- rods pleomorphic
large grey mucoid colonies
differentiates into lac pos or neg

Question 4

what species are in Escherichia

Answer 4

E coli O157H7

Question 5

what species are in Enterobacter

Answer 5

3 AAC
aerogenes
cloaecae
agglomerans

Question 6

what species are in Citrobacter

Answer 6

3 FAK
freundii
koseri
amalonaticus

Question 7

what secies are in Klebsiella

Answer 7

2 OP
pnemoniae
oxytoca

Question 8

what species are serratia

Answer 8

2 ML
Marcescens
liquefaciens

Question 9

what would a tests for Escherichia look like

Answer 9

Indole- pos
Citrate- neg
Motility- pos

Question 10

what would a tests for Enterobacter look like

Answer 10

Morph:moderate mucoid
MAC:lac pos
Indole: neg
Ornithine: pos
Citrate: pos
Motility: pos

Question 10

what would a tests for Citrobacter look like

Answer 10

Morph:
MAC: lac pos/ delayed
C. fruendii: I-, H2S+, O-
C. koseri: I+, H2S-, O+
Indole:
Ornithine:
Citrate:

Question 11

what would a tests for Klebsiella look like

Answer 11

Morph:very mucoid
MAC:
Indole:
-Pneumoniae:neg
-Oxytoca: pos
Ornithine:neg
Citrate:pos
Motility: neg

Question 12

what would tests for Serratia look like

Answer 12

MAC:delayed lac pos
Indole:neg
Ornithine:pos
Citrate:pos
DNase: pos

Question 13

what would tests for E coli O157H7 look like on stool sample

Answer 13

SMAC:-
MUG:-
LAT:+
Chromagar: mauve

Question 14

What are the types of pathogenic e coli

Answer 14

ETEC
EAEC
EPEC
EIEC
EHEC/ STEC

Question 15

tribe proteeae has what 3 genera in it

Answer 15

proteu, provendencia, morganella

Question 16

what species are in the proteus genera

Answer 16

vulgaris
mirabilis

Question 17

what species are in the morganella genera

Answer 17

morganii

Question 18

what species are in the providencia genera

Answer 18

stuartii
rettgeri
alcalificans

Question 19

what species are in the Salmonella genera

Answer 19

enterica
ser. typhi

Question 20

what species are in the Shigella genera

Answer 20

sonnei
flexneri
boydii
dysenteriae

Question 21

what species are in the Yersinia genera

Answer 21

enterocolitica
pestis

Question 22

what would tests for Proteus look like

Answer 22

H2S: pos
PAd: pos
Urease: pos
motility:pos
- vulgaris: Indole pos, ornithine neg
- mirabilis: indole neg, ornithine pos

Question 23

what would tests for Morganella look like

Answer 23

H2S: neg
PAD: pos
Urease: pos
Ornithine: pos
Citrate: neg

Question 24

what would tests for Providencia look like

Answer 24

H2S: neg PAD: pos Urease:variable Ornithine: neg Citrate: pos

Question 25

what would tests for Salmonella look like

Answer 25

H2S: pos PAD: neg Urease: neg Ornithine: pos Citrate: pos

Question 26

what would tests for Shigella look like

Answer 26

H2S: neg PAD: neg Urease: neg Ornithine: neg Citrate: neg -sonnei: ONPG pos, Ornithine pos

Question 27

what would tests for Serratia look like