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MIDTERMS_BACT211 > WEEK 7 > Flashcards

WEEK 7 Flashcards

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

A

S. pyogens

18
Q

COMMON TERMS: Group B Streptococcus

A

S.agalactiae

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

A

S.pneumoniae

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
Q

Lancefield Group Antigen D

A

S.faecalis, E.faecium

26
Q

Lancefield Group Antigen D

A

S.bovis group

27
Q

Lancefield Group Antigen C

A

S.dysgalactiae, S.equi

28
Q

Lancefield Group Antigen B (acid stable)

A

S.agalactiae

29
Q

Lancefield Group Antigen A

A

S.pyogens

30
Q

8 Virulence Factors

A
  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

MIDTERMS_BACT211 (3 decks)

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