Enterobeacteriaceae

Descrição

Microbiology Quiz sobre Enterobeacteriaceae, criado por Pip Fraggle em 19-09-2016.
Pip Fraggle
Quiz por Pip Fraggle, atualizado more than 1 year ago
Pip Fraggle
Criado por Pip Fraggle quase 8 anos atrás
10
1

Resumo de Recurso

Questão 1

Questão
How are Enterobacteraceae classified according to a gram stain?
Responda
  • Gram negative bacilli
  • Gram negative coccobacilli
  • neither
  • both

Questão 2

Questão
All Enterobacteriaceae ferment glucose
Responda
  • True
  • False

Questão 3

Questão
Not all members of the Enterobacteriaceae family are cytochrom-oxidase negative.
Responda
  • True
  • False

Questão 4

Questão
Enterobacteriaceae are obligatory anaerobes
Responda
  • True
  • False

Questão 5

Questão
Match the Classification with the antigen Somatic [blank_start]O[blank_end] Envelope [blank_start]K[blank_end] Flagellar [blank_start]H[blank_end]
Responda
  • O
  • K
  • H
  • O
  • K
  • H
  • O
  • K
  • H

Questão 6

Questão
Match the Antigen with its description. Endotoxin, heat stable part of the outer cell wall [blank_start]O[blank_end] Heat Labile capsular polysaccharide surrounding the cell wall, covers the O antigen [blank_start]K[blank_end] Heat labile protein found in the flagellum of mobile Enterobacteriaceae [blank_start]H[blank_end]
Responda
  • O
  • K
  • H
  • O
  • K
  • H
  • O
  • K
  • H

Questão 7

Questão
Which Media are usually used for the isolation of Enterobacteriaceae?
Responda
  • Trypticase Soy Agar
  • Blood Agar
  • Chocolate Agar
  • MacConkey Agar/Eosin-Methylene Blue (EMB) agar
  • Thiglycolatte Broth
  • Hektoen Enteric(HE)/Salmonella-Shigella (SS)/Xylose-lysine-deoxycholate (XLD) agar
  • Colistin-Nalidixic Acd (CNA) agar
  • Martin Lewis medium

Questão 8

Questão
What reaction would one expect to see on a blood agar if the organism was positive for Hydrogen Sulfide?
Responda
  • subsurface greening
  • subsurface clearing
  • subsurface yellowing
  • subsurface browning

Questão 9

Questão
Match the IMViC test with the importance of the result it generates E. coli is always positive: If the bacteria is positive in this test it means that the bacteria contains tryptophanase to convert tryptophan to ammonia and indole [blank_start]Indole[blank_end] E. Coli is always positive: If the bacteria is positive in this test it means it is able to convert glucose to pyruvic acid [blank_start]Methyl Red[blank_end] E. Coli is negative/Klebsiella is Positive: If the bacteria is positive in this test it means that it is able to convert glucose to acetoin [blank_start]Voges-Prokauer[blank_end] E. Coli is negative/Kelbsiella is positive. If the bacteria is positive in this test it means that it uses citrate as its main source of carbon [blank_start]Citrate[blank_end]
Responda
  • Indole
  • Methyl Red
  • Voges-Prokauer
  • Citrate
  • Indole
  • Methyl Red
  • Voges-Prokauer
  • Citrate
  • Indole
  • Methyl Red
  • Voges-Prokauer
  • Citrate
  • Indole
  • Methyl Red
  • Voges-Prokauer
  • Citrate

Questão 10

Questão
Select the sugars present in Triple Sugar Iron (TSI) agar
Responda
  • glucose
  • lactose
  • sucrose
  • mannose
  • sorbitol
  • mannitol
  • trehalose

Questão 11

Questão
Which test is used to look for slow/late fermenters?
Responda
  • ONPG reaction
  • SIM
  • TSI
  • MIO

Questão 12

Questão
Which test is used to determine if an organism can convert urea into ammonia, carbon dioxide and water?
Responda
  • Urease
  • MIO
  • ONPG reaction
  • Deaminase

Questão 13

Questão
What colour will a Urease test change to if the organism is Urease positive?
Responda
  • hot pink
  • neon green
  • brown
  • Yellow

Questão 14

Questão
Match the urea producer will its speed of production Proetus [blank_start]fast producer[blank_end] Klebsiella [blank_start]slow producer[blank_end]
Responda
  • fast producer
  • slow producer
  • slow producer
  • fast producer

Questão 15

Questão
Which two organisms will test negative in a motility test?
Responda
  • Shigella
  • Klebsiella
  • Salmonella
  • Enterobacter
  • Serratia
  • Hafnia
  • Proteus
  • Citrobacter
  • Morganella
  • Providencia

Questão 16

Questão
Which organisms will test positive for a Deaminase/Phenylalanine Deaminsae (PAD) test?
Responda
  • Proteus
  • Morganella
  • Providencia
  • Shigella
  • Salmonella
  • Klebsiella
  • Enterobacter
  • Serratia
  • Hafnia
  • Citrobacter

Questão 17

Questão
Match the test colour result with its corresponding conclusion. Acid Production [blank_start]Yellow[blank_end] No Acid Production [blank_start]Red[blank_end] Base production due to use of peptone by organism [blank_start]Pink[blank_end]
Responda
  • Yellow
  • Red
  • Pink

Questão 18

Questão
Which test is a good choice when one wants to distinguish Enterobacteriaceae from gram negative rods that do NOT ferment glucose?
Responda
  • Triple Iron Sugar (TIS)
  • SIM agar
  • Motility Test

Questão 19

Questão
Match the colour result from a Triple Sugar Iron (TSI) test with the correct conclusion. Bacteria ferments glucose but not sucrose or lactose. Alkaline slant over acid deep (K/A). [blank_start]Red over Yellow[blank_end] Bacteria ferments glucose, lactose and/or sucrose. Acid slant over Acid deep (A/A). [blank_start]Yellow over Yellow[blank_end] Bacteria is not able to ferment glucose. Alkaline Slant over Alkaline deep (K/K) [blank_start]Red over Red[blank_end] Production of gas [blank_start]Cracks or medium pulling away[blank_end] Bacteria produces Hydrogen Sulfide (H2s) [blank_start]Black precipitate[blank_end]
Responda
  • Red over Yellow
  • Yellow over Yellow
  • Red over Red
  • Cracks or medium pulling away
  • Black precipitate

Questão 20

Questão
Which Species of Enterobacteriaceae will produce an acid slant and a deep acid (A/A) result with Gas production and no production of Hydrogen Sulfide in a Triple Sugar Iron (TSI) test.
Responda
  • E. Coli
  • Salmonella typhimurium
  • Shigella Flexneri
  • Pseudomonas aeruginiosa

Questão 21

Questão
Which species of Enterobacteriaceae will produce an Alkaline slant over a deep acid with positive gas production and positive hydrogen sulfide production in a Triple Sugar Iron (TSI) test?
Responda
  • Escherichia coli
  • Salmonella typhimurium
  • Shigella flexneri
  • Pseudomonas aeruginosa

Questão 22

Questão
Which species of Enterobacteriaceae will produce an Alkaline slant over a deep acid with negative gas production and negative hyrdogen sulfide production in a Triple Sugar Iron (TSI) test?
Responda
  • Escherichia coli
  • Salmonella typhimurium
  • Shigella flexneri
  • Pseudomonas aeruginosa

Questão 23

Questão
Which species of Enterobacteriaceae will produce an Alkaline slant over a deep alkalin with negative gas production and negative hyrdogen sulfide production in a Triple Sugar Iron (TSI) test?
Responda
  • Escherichia coli
  • Salmonella typhimurium
  • Shigella flexneri
  • Pseudomonas aeruginosa

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