Bacteriology Flashcards

1
Q

Identify:
Gram positive cocci
Spherical, in pairs or clusters
Catalase positive
Cream/yellow on agar
Coagulase positive

A

Staphylococcus aureus

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2
Q

Identify
Gram positive cocci
Spherical or ovoid in pairs or chains
Catalase negative
Complete haemolysis (β-haemolysis)

A

Streptococcus pyogenes

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3
Q

Identify
Gram positive cocci
Spherical, in pairs or clusters
Catalase positive
White on agar
Coagulase negative

A

Staphylococcal epidermidis

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4
Q

Identify
Gram positive cocci
Spherical or ovoid, in pairs or chains
Catalase negative
Incompete haemolysis (α-haemolysis)
Tiny colonies

A

viridians Streptococcus

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5
Q

Identify
Gram positive cocci
Spherical or ovoid, in pairs or chains
Catalase negative
Incomplate haemolysis (α-haemolysis)
Sunken centres

A

Streptococcus pneumoniae

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6
Q

Identify
Gram positive
Very large cells

A

Candida albicans

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7
Q

Identify
Gram positive bacilli
Aerobic
Green stain with Albert’s method

A

Corynebacterium diptheriae

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8
Q

Identify
Gram positive bacilli
Anaerobic
Small, irregular

A

Clostridium sporogenes

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9
Q

Identify
Gram positive bacilli
Anaerobic
Wispy

A

Clostridium tetani

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10
Q

Identify
Gram positive bacilli
Anaerobic
Rough ended, volcano shaped

A

Clostridium perfringens

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11
Q

Identify
Gram negative cocci

A

Neisseria pharyngis or Neiserria gonorrhoeae

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12
Q

Identify
Gram negative bacilli
MacConkey red
Faculative anaerobe
Large, creamy colony with watery edges

A

Escherichia coli

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13
Q

Identify
Gram negative bacilli
MacConkey pale
Faculative anaerobe

A

Salmonella

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14
Q

Identify
Gram negative bacilli
Green
Obligate aerobe

A

Pseudomonas aeruginosa

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15
Q

Identify
Gram negative bacilli
Anaerobic

A

Bacteroides fragilis

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