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Microbiology > Streptococcaceae and Related Genera PART 2 > Flashcards

Streptococcaceae and Related Genera PART 2 Flashcards

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Biology 101 flashcards
1
Q

Who is/are PYR positive?

A
  • Group A

- Enterococcus spp.

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2
Q

Who is/are NaHippurate positive?

A
  • Group B
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3
Q

Who is Bacitracin susceptible?

A

Group A

Strep. pyogenes

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4
Q

What Strep are LAP positive?

A

All of them we work with in the lab

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5
Q

What test did we use Coaggulation on in the lab? (not specific to this group)

A
  • Group B
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6
Q

Who is/ are Quelling test positive?

A

Strep. pneumoniae

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7
Q

Name all of the ALPHA and gamma hemolytic Strep.

A

Strep. pneumoniae
Enterococcus sp.
Alpha Streptococci (Group D)
Alpha Streptococci (Not Group D)

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8
Q

Who is/are CAMP positive?

A

Group B

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9
Q

Tests to run on when you have catalase negative GPCs that are Alpha/Gamma hemolytic

A
  • Optochin
  • PYR
  • Esculin
  • NaCl
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10
Q

Name all of the BETA hemolytic strep.

A 
Enterococcus sp. (rare)
Beta streptococci (Group D) (rare) 
Beta streptococci (Group A) 
Beta streptococci (Group B) 
Beta streptococci ( Not Group A, B, or D)
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11
Q

Who is/are Bile Solubility positive?

A

Strep pneumoniae

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12
Q

Tests to run on when you have catalase negative GPCs that are Beta hemolytic

A
  • PYR
  • Esculin
  • NaCl
  • Bacitracin
  • CAMP or NaHip
  • Coaggultination (not specific for Group B but thats what we used it for)
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13
Q

Who can be a pseudocatalase (weak catalase +)?

A

Enterococcus species

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14
Q

Who is/are positive for Esculin

A
  • Enterococcus

- Group D

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15
Q

Who is/are Optochin susceptible?

A

Strep. pneumoniae

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16
Q

Who is/are NaCl positive?

A
  • Group B

- Enterococcus spp.

17
Q

Group A / Strep. pyogenes

  • hemolysis
  • and two positive/sus tests
A
  • Beta
  • Bacitracin susceptible
  • PYR positive
18
Q

Group B / Strep. agalactiae

  • hemolysis
  • 3 positive tests
A
  • Beta hemolytic
  • CAMP pos
  • NaCl pos
  • NaHippurate pos
19
Q

Not Group A, B, or D are otherwise known as…?

A

Groups C, G

20
Q

Group D/ Strep. bovis

  • Hemolysis
  • 1 positive test
A
  • Usually alpha or gamma (rarely beta)

- Esculin pos

21
Q

Strep. pneumoniae

  • Hemolysis
  • 3 positive tests
A
  • Alpha
  • Optochin Susceptible
  • Bile Solubility positive
  • Quelling test positive
22
Q

Enterocuccus spp.

  • Hemolysis
  • 3 positive tests
A
  • Alpha (rarely beta)
  • Esculin positive
  • NaCl positive
  • PYR positive

Microbiology (13 decks)

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