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Micro > FA Gram Positive Algorithm > Flashcards

FA Gram Positive Algorithm Flashcards

1
Q

Gram positive branching filaments must be either

A

Actinomyces or Nocardia

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2
Q

gram + branching filaments, aerobe, acid fast

A

Nocardia

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3
Q

gram + branching filaments, anaerobe, NOT acid fast

A

Actinomyces

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4
Q

Gram + rod

A 
Clostridium (anaerobe)
Corynebacterium
Listeria
Bacillus (aerobe)
Mycobacterium (acid fast)
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5
Q

Gram + cocci in clusters

A

Staph

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6
Q

Gram + cocci in chains or pairs

A

Strep

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7
Q

Gram + cocci, catalase +

A

Staph

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8
Q

Gram + cocci, catalase -

A

Strep

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9
Q

Gram +, catalase +, coagulase +

A

Staph aureus

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10
Q

Gram +, catalase+, coagulase -

A 
S epidermidis (Novobiocin sensitive)
S saprophyticus (Novobiocin resistant
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11
Q

Novobiocin sensitive

A

S epidermidis

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12
Q

Novobiocin resistant

A

S saprophyticus

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13
Q

Novobiocin:

A

Saprophyticus is Resistant; Epidermidis is Sensitive

on the office staph retreat, there was NO StRESs

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14
Q

Optochin

A

Viridans is Resistant; Pneumo is sensitive (OVRPS)

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15
Q

Bacitracin

A

group B strep are Resistant; group A strep are Sensitive (B-BRAS)

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16
Q

Form green ring around colonies on blood agar

A

alpha hemolytic bacteria

17
Q

alpha hemolytic bacteria

A

Strep pneumo

Strep viridans

18
Q

form clear area of hemolysis on blood agar

A

beta-hemolytic bacteria

19
Q

beta hemolytic bacteria

A

Staph auresu
Strep pyogenes (group A)
Strep agalatiae (group B)
Listeria monocytogenes

20
Q

tumbling motility

A

Listeria monocytogenes

21
Q

meningitis in newborns

A

Listeria monocytogenes

22
Q

unpasteurized milk

A

Listeria monocytogenes

23
Q

catalase and coag positive

A

Staph aureus

24
Q

catalase negative + bacitracin sensitive

A

strep pyogenes (A)

25
Q

catalase negative + bacitracin resistant

A

Strep agalactiae (B)

26
Q

catalase negative + optochin sensitive, + quellung

A

strep pneumo

27
Q

catalase negaitve and optochin resistant

A

viridans

28
Q

no hemolysis =

A

gamma hemolycsis

29
Q

gamma hemolytic bacteria

A

Group B strep (enteroccocus)

Nonenteroccoccus

30
Q

gamma hemolytic, growth in bile and 6.5% NaCl

A

E faecalis

31
Q

gamma hemolytic, growth in bile but not 6.5% NaCl

A

Strep bovis

Micro (21 decks)

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