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The green metallic sheen indicates _______ is able to ferment lactose to produce strong acid end-products.

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Pseudomonas aeruginosa

Staphylococcus aureus

86%

Escherichia coli

Enterobacter aerogenes

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Escherichia coli :
Microscopical appearance: Gram-positive
short rods. Most strains are motile

Anonymous Quiz

33%

67%

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INDOLE test , one of the following is true

Anonymous Quiz

13%

Escherichia coli -ve

23%

KLEBSIELLA pneumoniae +ve

42%

Proteus vulgaris +ve

22%

Citrobacter koseri -ve

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Enterobacter aerogenes : negative methyl red test

Anonymous Quiz

75%

25%

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_______ is the reagent in VOGES –PROSKAUER test

Anonymous Quiz

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Regarding to KLEBSIELLA one of the following is false

Anonymous Quiz

The most pathogenic species is K. pneumoniae that causes pneumonia

G -ve short rods, Non-motile

Colonies on MacConkey agar, are large, mucoid and show pink color (lactose fermenter)

89%

IMViC - - + -

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Regarding to ENTEROBACTER , one of the following is false

Anonymous Quiz

They are frequently isolated from urinary tract infections, septicemia

79%

G -ve short rods, and non motile

The most common species: E. cloaca, E.aerogenes

10%

Colonies on MacConkey agar, are large, pink in color (lactose fermented)

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SERRATIA MARCESCENS

Anonymous Quiz

15%

Cause pneumonia, bactermia, endocarditic, UTI, meningitis or wound infection

66%

Colonies on MacConkey agar are lactose fermenters, i.e give pink colonies after 4 hr

13%

IMViC - - + +

G -ve short rods and motile

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CITROBACTER : Can cause UTI & bacteremia. G-ve short rods, motile & late lactose fermenters on MacConky agar.

Anonymous Quiz

93%

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Growth on MacConkey agar: Non-lactose fermenter (colonies are pale colorless)

Anonymous Quiz

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SALMONELLA , one of the following is false

Anonymous Quiz

Motility test: motile

Urease test: negative

Citrate: positive

82%

Indole: positive

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Biochemical tests of Shigella

Anonymous Quiz

Motility test: motile

14%

Urease test: positive

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Growth of Proteus on blood agar: observe the swarming and smell the fishy odor

Anonymous Quiz

92%

140 voters203 views21:10

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Test your self 3rd stage pinned «محاضرة Enterobacteriaceae»

21:23

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👍5👏1

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❤4

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the infective stage in fasciola ssp. is

Anonymous Quiz

👎1

262 voters374 views06:32

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meracide is infective stage in snail

Anonymous Quiz

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nematode are bisexual

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239 voters190 views06:32

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the egg of S. haematobium contain cercaria

Anonymous Quiz

227 voters159 views06:32

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