Lab Exam 1 Flashcards

1
Q

Identification of Streptococcus pneumoniae

A

Optochin (Sensitive)

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2
Q

Identification of Viridans Streptococcus group

A

Optochin (Resistant)
Bile Esculin (negative)
Sodium Chloride (negative)

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3
Q

Identification of Group D Streptococcus

A

Optochin (Resistant)
Bile Esculin (positive)
Sodium Chloride (negative)
PYR (negative)

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4
Q

Identification of Enterococcus species

A

Optochin (Resistant)
Bile Esculin (positive)
Sodium Chloride (positive)
PYR (positive)

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5
Q

Identification of Gamma Streptococci

A

No hemolysis (gamma hemolytic)
Bile Esculin (negative)
Sodium Chloride (negative)

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6
Q

Identification of Group B Streptococci

A

Beta Hemolytic
Bacitracin (Resistant)
SXT (Resistant)
Hippurate hydrolysis (positive)
CAMP test (positive)

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7
Q

Identification of Group A Streptococci

A

Beta Hemolytic
Bacitracin (Sensitive)
SXT (Resistant)
PYR (positive)

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8
Q

Identification of Groups C, F, and G Streptococci

A

Beta Hemolytic
Bacitracin (Resistant)
SXT (Sensitive)
Latex agglutination for differentiation

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9
Q

What Streptococcus Species can be Beta Hemolytic?

A

Group A
Group B
Groups C, F, and G
Group D
Enterococcus spp.

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10
Q

Which Streptococcus species can be Alpha Hemolytic?

A

Streptococcus Pneumoniae
Enterococcus spp.
Viridans Streptococcus
Group D

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11
Q

Which Streptococcus species can be Gamma Hemolytic?

A

Gamma Streptococcus
Group D
Enterococcus spp.

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12
Q

What percent of bile is in Bile Esculin

A

40%

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13
Q

Clinical name for optochin

A

ethylhydrocuprein hydrochloride

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14
Q

genus and species of Group B Streptococcus

A

Streptococcus agalactiae

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15
Q

genus and species for Group A Streptococcus

A

Streptococcus pyogenes

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16
Q

Reagent in catalase test

A

3% H2O2

17
Q

Products during catalase test

A

O2 + H2O