gram positive cocci Flashcards
what bacteria grow on bap or cna with medium sized, raised, creamy colonies with white, cream golden pigmentation
a. staphylococcus aureus
b. streptococcus pyogenes
c. streptococcus agalactiae
staphylococcus aureus
- medium sized, raised, creamy colonies with white, cream golden pigmentation
who is responsible for the golden pigmentation in staphylococcus
a. gram stain
b. streploxanthin
c. staphyloxanthin
staphyloxanthin
- responsible for the golden pigmentation or yellow pigmentation on s. aureus
resistant to bacitracin
a. staphyloccus
b. micrococcus
staphylococcus
resistant to benzidine
a. staphylococcus
b. micrococcus
micrococcus
resistant to lysostaphin
a. staphylococcus
b. micrococcus
micrococcus
glucose utilization fermenter
a. staphylococcus
b. micrococcus
staphylococcus - fermenter
micrococcus - oxidizer
the colonies will be used in catalase test should not be taken from ______ because of the presence of peroxidase, which creates a false effervescence
a. cap
b. bap
c. mac
d. chrom agar
the colonies will be used in catalase test should not be taken from BAP because of the presence of peroxidase, which creates a false effervescence
chrom agar - is for MRSA
how many percent h2o2 to be used in anaerobic catalase test
a. 30 % h2o2
b. 15 % h2o2
c. 3% h2o2
two types of catalase test
- aerobic catalase test - 3% h2o2
2, anaerobic catalase test - 15% h2o2
neisseria spp
SUPEROXOL TEST - 20 to 30 % h2o2
most common isolated species in viridans group
a. s. mutans
b. s. mitis
c. s. bovis
s. mutans group - most common isolated species
what species in viridans group is the common cause of SUBACUTE BACTERIAL ENDOCARDITIS (SBE)
a. s. mitis
b. s. mutans
c. s. bovis
S. mitis group - common cause of SBE
what species in viridans groups is the frequently isolated in dental carriers
a, s. mitis
b. s. mutans
c. s. bovis
s. mutans
mutans > mute > pipi
dental > mouth > pipe/ mute
bacterial meningitis in newborn
a. s. pyogenes
b. s. agalactiae
c. viridans groups
d. s. pneumoniae
bacterial meningitis in newborn - S. agalactiae
bacterial meningitis in adults - S. pneumoniae
test in s. pnuemoniae to detect the presence of antibodies against s. pneumoniae
a. neufeld quallung test
b. francis test
c. taxo p
francis test
