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Flashcards in FA Gram Positive Algorithm Deck (31):
1

Gram positive branching filaments must be either

Actinomyces or Nocardia

2

gram + branching filaments, aerobe, acid fast

Nocardia

3

gram + branching filaments, anaerobe, NOT acid fast

Actinomyces

4

Gram + rod

Clostridium (anaerobe)
Corynebacterium
Listeria
Bacillus (aerobe)
Mycobacterium (acid fast)

5

Gram + cocci in clusters

Staph

6

Gram + cocci in chains or pairs

Strep

7

Gram + cocci, catalase +

Staph

8

Gram + cocci, catalase -

Strep

9

Gram +, catalase +, coagulase +

Staph aureus

10

Gram +, catalase+, coagulase -

S epidermidis (Novobiocin sensitive)
S saprophyticus (Novobiocin resistant

11

Novobiocin sensitive

S epidermidis

12

Novobiocin resistant

S saprophyticus

13

Novobiocin:

Saprophyticus is Resistant; Epidermidis is Sensitive
(on the office staph retreat, there was NO StRESs)

14

Optochin

Viridans is Resistant; Pneumo is sensitive (OVRPS)

15

Bacitracin

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

16

Form green ring around colonies on blood agar

alpha hemolytic bacteria

17

alpha hemolytic bacteria

Strep pneumo
Strep viridans

18

form clear area of hemolysis on blood agar

beta-hemolytic bacteria

19

beta hemolytic bacteria

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

20

tumbling motility

Listeria monocytogenes

21

meningitis in newborns

Listeria monocytogenes

22

unpasteurized milk

Listeria monocytogenes

23

catalase and coag positive

Staph aureus

24

catalase negative + bacitracin sensitive

strep pyogenes (A)

25

catalase negative + bacitracin resistant

Strep agalactiae (B)

26

catalase negative + optochin sensitive, + quellung

strep pneumo

27

catalase negaitve and optochin resistant

viridans

28

no hemolysis =

gamma hemolycsis

29

gamma hemolytic bacteria

Group B strep (enteroccocus)
Nonenteroccoccus

30

gamma hemolytic, growth in bile and 6.5% NaCl

E faecalis

31

gamma hemolytic, growth in bile but not 6.5% NaCl

Strep bovis