WEEK 7 Flashcards

(30 cards)

1
Q

What is the family name of Streptococcus?

A

STREPTOCOCACCEAE

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2
Q

What catalase is Streptococcus?

A

Catalase (-)

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3
Q

Streptococcus is ______ in media w/ blood (___)

A

Weak false (+) catalase in media w/ blood (peroxidase activity of hemoglobin)

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4
Q

What is the gram of Streptococcus?

A

Gram (+) in cocci in pairs and in chains

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5
Q

Gram (+) cocci Streptococcus appear?

A

More elongated

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6
Q

Gram (+) cocci Streptococcus in chains?

A

Growth in broth cultures

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7
Q

The Colonies of Streptococcus appear?

A

Small and transparent

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8
Q

Who created the Lancefield Classification?

A

Rebecca Lancefield (1930)

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9
Q

Lancefield Classification is ___

A

C carbohydrate (polysaccharide) in the cell wall

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10
Q

Disease Association of S. pyogens (5)

A

Rheumatic Fever
Scarlet fever
Pharyngitis
Glomerulonephritis
Pyogenic infections

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11
Q

Disease Association of S. agalactiae (4)

A

Neonatal sepsis
Meningitis
Pueperal fever
Pyogenic infections

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12
Q

Disease Association of S. dysgalactiae, S. equinus (3)

A

Pharyngitis
Impetigo
Pyogenic infections

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13
Q

Disease Association of S.bovis group (3)

A

Endocarditis
UTI’s
Pyogenic infections

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14
Q

Disease Association of S.faecalis, E.faecium (2)

A

UTI’s
Pyogenic infections

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15
Q

Disease Association of S.pneumoniae (3)

A

Pneumonia
Meningitis
Pyogenic infections

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16
Q

Anginosus groups, mutans group, mitis group, salivarius group (4)

A

Endocarditis
Dental caries
Abscesses in various tissue
Pyogenic infections

17
Q

COMMON TERMS: Group A Streptococcus

18
Q

COMMON TERMS: Group B Streptococcus

19
Q

COMMON TERMS: Group C Streptococcus

A

S.dysgalactiae, S.equi

20
Q

COMMON TERMS: Nonenterococcus member of viridans streptococci

A

S.bovis group

21
Q

COMMON TERMS: Enterococcus

A

S.faecalis, E.faecium

22
Q

COMMON TERMS: Pneumococcus

23
Q

COMMON TERMS: viridans streptococcus

A

Anginosus groups, mutans group, mitis group, salivarius group

24
Q

Lancefield Group A,C, F, G, .N, or —

A

Anginosus groups, mutans group, mitis group, salivarius group

25
Lancefield Group Antigen D
S.faecalis, E.faecium
26
Lancefield Group Antigen D
S.bovis group
27
Lancefield Group Antigen C
S.dysgalactiae, S.equi
28
Lancefield Group Antigen B (acid stable)
S.agalactiae
29
Lancefield Group Antigen A
S.pyogens
30
8 Virulence Factors
1. M protein 2. Protein F & Lipoteichoic acid 3. Hyaluronic acid capsule 4. Streptolysis O (SLO) and Streptolysin S 5. Deoxyribonuclease (DNase) 6. Streptokinase 7. Hyaluronidase 8. Streptococcal Pyrogenic Exotoxins