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1 MICROBIOLOGY SECOND YEAR > Bacteria > Flashcards

Bacteria Flashcards

1
Q

What do you see on a gram film for staphylococci?

A

Gram positive cocci in clusters

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2
Q

What do you see on a gram film for Neisseria?

A

Gram negative cocci

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3
Q

What do you see on a gram film for Bacillus.anthrancis?

A

Gram positive bacilli

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4
Q

What do you see on a gram film for E.coli?

A

Gram negative bascilli

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5
Q

What do you see on a gram film for streptococci?

A

Gram positive cocci in chains

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6
Q

What do you see on a gram film for Moraxella?

A

Gram negative cocci

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7
Q

What do you see on a gram film for listeria monocytogenes?

A

Gram positive bacilli

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8
Q

What do you see on a gram film for campylobacter?

A

Gram negative bacilli

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9
Q

What do you see on a gram film for enterococci?

A

Gram positive cocci

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10
Q

What do you see on a gram film for veilonella spp

A

Gram negative cocci

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11
Q

What do you see on a gram film for Corynebacteria.diptheriae?

A

Gram positive bacilli

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12
Q

What do you see on a gram film for pseudomonas?

A

Gram negative bacilli

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13
Q

What do you see on a gram film for salmonella?

A

Gram negative bacilli

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14
Q

What do you see on a gram film for shigella?

A

Gram negative bacilli

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15
Q

What do you see on a gram film for proteus?

A

Gram negative bacilli

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16
Q

What organism does gram positive cocci in clusters suggest?

A

Staphylococcus

17
Q

What organism does gram positive cocci in chains suggest?

A

Streptococcus

18
Q

What type of organism would I use a coagulase test on and what would this show?

A

Staphylococcus

positive = staph.aureus
negative = staph.epidermidis or staph.saprophiticus
19
Q

What type of organism would I use a haemolysis test on and what would this show

A

Streptococcus

Partial = alpha haemolysis
Complete = beta haemolysis
None = non-haemolytic
20
Q

What type of organism would you do Lancefield group testing for and what would this show

A

Test = beta haemolytic streptococcus AND non-haemolytic

Group A = S.pyogenes
Group B = S.agalactiae
Group G = S.dysgalactiae

non-haemolytic Group D = S.bovis or enterococcus spp.

21
Q

Give an example of a group A beta haemolytic streptococcus?

A

S.pyogenes

22
Q

Give an example of a group B beta haemolytic streptococcus?

A

S.agalactiae

23
Q

Give an example of a group G beta haemolytic streptococcus?

A

S.dysgalactiae

24
Q

Give 2 examples of group D non-haemolytic streptococcus?

A

S.bovis

Enterococcus spp.

25
Q

Give an example of a coagulase positive staphylococcus?

A

Staphylococcus aureus

26
Q

Give 2 examples of coagulase negative staphylococcus?

A

Staph.epidermidis

Staphy.saprophiticus

27
Q

On what would you use an optocin test and what would this show?

A

Test = alpha haemolytic streptococcus

Sensitive = s.pneumoniae
Resistant = s.viridans
28
Q

What test would you do on a gram negative bacillus and what would this show?

A

Test = MacConkey or CLED or XLD

Lactose fermenting = E.coli, klebsiella

Non-lactose fermenting = salmonella, shigella, pseudomonas, proteus

29
Q

On what type of organism would you use on oxidase test and what would this show?

A

Test = non-lactose fermenting gram negative bacilli

Positive = peudomonas
Negative = proteus, shigella, salmonella
30
Q

Give 2 examples of lactose fermenting gram negative bacilli:

A

E.coli

Klebsiella

31
Q

Give 3 examples of oxidase negative non-lactose fermenting gram negative bacilli:

A

Salmonella
Shigella
Proteus

32
Q

Give 4 examples of non-lactose fermenting gram negative bacilli:

A

Salmonella
Shigella
Proteus
Pseudomonas

1 MICROBIOLOGY SECOND YEAR (8 decks)

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