question
Staphylococcus aureus
answer
staphylococcus
gram +, cocci, cluster
growth not inhibited by NaCl
ferments mannitol with production of acid
growth on CNA
beta hemolysis
no amylase
does not grow in the presence of bile
ferments lactose and sucrose
coagulase +, catalase +, oxidase -
gram +, cocci, cluster
growth not inhibited by NaCl
ferments mannitol with production of acid
growth on CNA
beta hemolysis
no amylase
does not grow in the presence of bile
ferments lactose and sucrose
coagulase +, catalase +, oxidase -
question
Bacillus cereus
answer
streptobacillus
gram +
bacillus, chains, beige, circular, flat, entire
growth inhibited by NaCl
does not ferment mannitol
no growth on CNA
beta hemolysis
amylase present
does not grow in the presence of bile
ferments sucrose
coagulase -, catalase +, oxidase +
gram +
bacillus, chains, beige, circular, flat, entire
growth inhibited by NaCl
does not ferment mannitol
no growth on CNA
beta hemolysis
amylase present
does not grow in the presence of bile
ferments sucrose
coagulase -, catalase +, oxidase +
question
Enterococcus durans
answer
streptococcus
gram +
cocci, chains
growth inhibited by NaCl
does not ferment mannitol
growth on CNA
alpha hemolysis
no amylase
grows in the presence of bile
produces esculinase
ferments lactose
coagulase -, oxidase -
gram +
cocci, chains
growth inhibited by NaCl
does not ferment mannitol
growth on CNA
alpha hemolysis
no amylase
grows in the presence of bile
produces esculinase
ferments lactose
coagulase -, oxidase -
question
Streptococcus salivarius
answer
streptococcus, cocci, chains
gram +
not inhibited by NaCl
does not ferment mannitol
growth on CNA
alpha hemolysis
no amylase
grows in the presence of bile
produces esculinase
ferments lactose and sucrose
coagulase-, catalase-, oxidase-
gram +
not inhibited by NaCl
does not ferment mannitol
growth on CNA
alpha hemolysis
no amylase
grows in the presence of bile
produces esculinase
ferments lactose and sucrose
coagulase-, catalase-, oxidase-
question
Streptococcus pyogenes
answer
streptococcus, cocci, chains
gram +
gram +
question
Enterobactor aerogenes
answer
bacillus, single
gram -
produces acid from lactose fermentation
coliform
production of acid from lactose fermentation
mixed acid fermentation
glucose fermentation with acid production
peptone catabolized aerobically with alkaline end products
citrate utilized
sulfur not reduced
motile
catalase +, oxidase +
gram -
produces acid from lactose fermentation
coliform
production of acid from lactose fermentation
mixed acid fermentation
glucose fermentation with acid production
peptone catabolized aerobically with alkaline end products
citrate utilized
sulfur not reduced
motile
catalase +, oxidase +
question
Escherichia coli
answer
bacillus, single/pairs
gram -
produces acid from lactose fermentation
coliform
mixed acid fermentation
glucose, lactose, and or sucrose fermentation
citrate not utilized
sulfur not reduced
motile
catalase +, oxidase +
gram -
produces acid from lactose fermentation
coliform
mixed acid fermentation
glucose, lactose, and or sucrose fermentation
citrate not utilized
sulfur not reduced
motile
catalase +, oxidase +
question
Serratia marcescens
answer
bacillus, single
gram -
pink, circular, flat, entire
production from lactose fermentation
no mixed acid fermentation
glucose fermentation with acid end products
peptone catabolized aerobically with alkaline end products
citrate is utilized
sulfur not reduced
tryptophan broken down into indole and pyruvic acid
nonmotile
catalase +, oxidase +
gram -
pink, circular, flat, entire
production from lactose fermentation
no mixed acid fermentation
glucose fermentation with acid end products
peptone catabolized aerobically with alkaline end products
citrate is utilized
sulfur not reduced
tryptophan broken down into indole and pyruvic acid
nonmotile
catalase +, oxidase +
question
Klebsiella pneumonia
answer
bacillus, single
gram -
produces acid from lactose fermentation
coliform
production of acid from lactose fermentation
no mixed acid fermentation
glucose, lactose, and or sucrose fermentation
citrate is utilized
sulfur not reduced
nonmotile
catalase +, oxidase +
gram -
produces acid from lactose fermentation
coliform
production of acid from lactose fermentation
no mixed acid fermentation
glucose, lactose, and or sucrose fermentation
citrate is utilized
sulfur not reduced
nonmotile
catalase +, oxidase +
question
Salmonella enteritidis
answer
bacillus, single
gram -
no lactose fermentation
non coliform
does not ferment lactose or reduce sulfur
mixed acid fermentation
glucose fermentation with acid fermentation
peptone catabolized aerobically with alkaline end products
citrate utilized
sulfur reduced
motile
catalase +, oxidase +
gram -
no lactose fermentation
non coliform
does not ferment lactose or reduce sulfur
mixed acid fermentation
glucose fermentation with acid fermentation
peptone catabolized aerobically with alkaline end products
citrate utilized
sulfur reduced
motile
catalase +, oxidase +
question
shigella sonnei
answer
bacillus, single
gram -
no lactose fermentation
noncoliform
does not ferment lactose or reduce sulfur
mixed acid fermentation
glucose fermentation with acid production
peptone catabolized aerobically with alkaline end products
citrate not utilized
sulfur not reduced
nonmotile
catalase +, oxidase -
gram -
no lactose fermentation
noncoliform
does not ferment lactose or reduce sulfur
mixed acid fermentation
glucose fermentation with acid production
peptone catabolized aerobically with alkaline end products
citrate not utilized
sulfur not reduced
nonmotile
catalase +, oxidase -
question
micrococcus luteus
answer
tetrad, cocci, yellow, circular, raised, entire
gram +
growth not inhibited by NaCl
does not ferment mannitol
growth on CNA
Gamma hemolysis
no amylase
does not grow in the presence of bile
catalase +, coagulase -, oxidase -
gram +
growth not inhibited by NaCl
does not ferment mannitol
growth on CNA
Gamma hemolysis
no amylase
does not grow in the presence of bile
catalase +, coagulase -, oxidase -
question
staphylococcus epidermidis
answer
staphylococcus, cluster, beige, circular, raised, entire
gram +
not inhibited by NaCl
does not ferment mannitol
growth on CNA
gamma hemolysis
no amylase
does not grow in the presence of bile
ferments lactose and sucrose
catalase +, coagulase -, oxidase -
gram +
not inhibited by NaCl
does not ferment mannitol
growth on CNA
gamma hemolysis
no amylase
does not grow in the presence of bile
ferments lactose and sucrose
catalase +, coagulase -, oxidase -
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