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Kyla's Phase 2a Flashcards > Microbiology > Flashcards

Microbiology Flashcards

1
Q

Which group of bacteria is gram positive, cocci and catalase positive?
(Example)

A

Staphylococcus
(Staph aureus)

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2
Q

Which group of bacteria is gram positive, cocci and catalase negative?
(Example)

A

Streptococcus
(Strep. epidermidis)

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3
Q

What 2 tests separate catalase negative gram positive cocci?

A

Haemolytic test and Lancefield grouping

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4
Q

Give an example of gram positive alpha-haemolytic cocci bacteria

A

Strep Pneumoniae
Strep Viridins

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5
Q

Give an example of gram positive cocci that is beta-haemolytic

A

Strep. pyogenes

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6
Q

Give an example of gram positive cocci bacteria that is gamma-haemolytic (stays red)

A

Enterococci

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7
Q

What colour are the zones for alpha and beta haemolysis

A

Alpha (green)
Beta (clear)

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8
Q

What is the first test/agar used on gram negative bacteria? What does it show?

A

MacConkey agar
(Lactose fermenting - red/pink)
(Non-lactose fermenting - yellow/transparent)

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9
Q

What test separates non-lactose fermenting gram-negative bacteria?

A

Oxidase

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10
Q

What bacteria is gram negative and turns red (positive/pink) on MacConkey agar

A

E. coli
Kleibsella

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11
Q

What test/agar separates the oxidase negative gram negative bacteria?

A

XLD agar

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12
Q

What bacteria is red with black centre on XLD agar?

A

Salmonella

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13
Q

What bacteria is red only XLD agar?

A

Shigella

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14
Q

What bacteria is responsible for wound infections + toxic shock syndrome?

A

Staph aureus

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15
Q

What bacteria is responsible for throat and skin infections?

A

Strep pyogenes

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16
Q

What bacteria is responsible for CAP?

A

Strep. pneumoniae

17
Q

What bacteria is responsible for dental infection and subsequent infective endocarditis?

A

Strep. Viridans

18
Q

Describe strep. viridans characteristics

A

Gram positive
Cocci
Catalase -ive
Alpha-haemolytic

19
Q

What conditions is E. coli responsible for?

A

UTIs
Gastroenteritis
Travellers diarrhoea

20
Q

What does a shigella infection cause?

A

Dysentery

21
Q

What conditons does salmonella infection cause?

A
  • Salmonella enteritidis: common cause of food poisoning
  • Salmonellaa typhi: faecal oral spread
22
Q

What does a Proteus Mirabilis infection cause?

A

UTIs
Kidney stones

23
Q

What does klebsiella pneumonia infection cause?

A

UTI
Pneumonia

24
Q

What condition does Vibrio Cholerae cause?

A

Cholera (severe diarrhoea)

25
Q

What complications can Helicobacter Pylori cause?

A

Peptic ulcers of GORD

26
Q

What is the bacteria is responsible for whooping cough?

A

Bordetella Pertussis

27
Q

What does Legionella bacteria cause?

A

Legionnaires disease
Notifiable disease
Cause of atypical pneumonia

28
Q

What does a campylobacter infection cause?

A

Food poisoning (BBQs)
Guillian Barre

29
Q

What is Neisseria spp responsible for?

A

Meningitis
Gonorrhoea

Kyla's Phase 2a Flashcards (11 decks)

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