Flashcards in BACTE LEC - Strep Deck (54)
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1
morphology of strep
cocci in chains or pairs
2
metabolism of strep
lactic acid fermentation
3
normal habitat of strep
throat, upper RT
4
catalase rxn
-
5
growth of strep more pronounced on which agar
enriched agar [blood agar]
6
appearance of colonies
pinpoint, transparent colonies
7
strep requires increased ___for growth
CO2
8
pigment of serrati
prodigiosin [red]
9
pigment of aeruginosa
thiocyanin [blue green]
10
classif based on physiologic characteristics
pus producing
pyogenic
11
type of hemolysis of pyogenic strep
beta
12
type of hemolysis of viridans
alpha or non
13
type of hemolysis of lactic acid --
non-hemolytic/gamma
14
classif based on physiologic characteristics
elevation of wbc
pyogenic
15
classif based on physiologic characteristics
opportunistic patho
viridans
16
not part of lancefield group
viridans
17
classif based on physiologic characteristics
non hemolytic, dairy products, Lancefield group N
Lactic acid
18
classif based on physiologic characteristics
flora of intestine
resistant to vancomycin
enterococci
19
strep Grp A susceptible to
Bacitracin
20
group a and group b RESISTANT TO
Sulfomethoxazole and Trimethoprim (SXT)
21
for accuracy of group a identification
Sulfomethoxazole and Trimethoprim (SXT)
22
resistant to bacitracin and sxt
s agalactiae
23
group a strep classified accdg to
cell wall structure
24
pathogenic determinants of group a strep
M protein
Antiphagocytic substance/enzyme
adherence to mucosal cells
25
two hemolysin
SLO and SLS
26
prevents phagocytosis, adheres to cell wall
M protein
27
type of hemolysin
oxygen labile
slo
28
type of hemolysin
active on reduced form [anaerobic]
-highly antigenic
slo
29
type of hemolysin
-oxygen stable
SLS
30
