Font size
WorksheetsMicrococcaceae
Total questions: 22
Worksheet time: 11mins
Micrococcaceae genus emerging as rare opportunistic pathogens
Micrococcus
Staphylococcus
Planococcus
Rothia
TRUE about Micrococcus (more than 1 answer required)
glucose non-fermenters
lysostaphin sensitive
furazolidone sensitive
microdase positive
Expected result of Staphylococcus aureus in lysostaphin test
turbidity
clearing
blue color
bubble formation
TRUE about Furazolidone test (more than 1 answer required)
disk contains 100 ug
Staphylococci is susceptible
zone of inhibition >10mm is resistant
agent degrades peptidoglycan
Most Staphylococcus aureus on CNA
golden yellow colonies
golden yellow colonies with beta hemolysis
golden yellow colonies with alpha hemolysis
golden yellow colonies with gamma hemolysis
Micrococcaceae isolation media for stool samples (more than 1 answer required)
BAP
CNA
MSA
PEA
Hemagglutination techniques detect
bound coagulase only
bound coagulase and protein A
free coagulase only
free coagulase and protein A
Methods used to detect MRSA (more than 1 answer required)
FISH
PCR
Latex Agglutination
CHROMagar
Expected observation for Staphylococcus aureus in Thermostable Nuclease test
pink halos around wells
blue color around wells
clearing around wells
yellow halos around wells
Destroy tissue to facilitate spread of S. aureus (more than 1 answer required)
Coagulase
Fibrinolysin
Hyaluronidase
DNase
Spreading factor
coagulase
fibrinolysin
lipase
hyaluronidase
Exfoliatins are implicated in
scalded skin syndrom
toxic shock syndrome
food poisoning
endocarditis secondary to bacteremia
TSST-1 is also known as
Enterotoxin F
Exfolation A
Hemolysin Alpha
Staphylokinase
TRUE about enterotoxins (more than 1 answer required)
endotoxins
exotoxins
heat stable
heat labile
Hemolytic pattern seen on BAP is due to hemolysin
alpha
delta
beta
gamma
Virulence factor associated with MRSA
PVL
TSST-1
Beta-lactamase
Alpha-hemolysin
mecA gene is responsible for resistance to
vancomycin
oxacillin
beta-lactam
erythromycin
Antimicrobial agent in CHROMagar
oxacillin
cloxacillin
cephalosporin
cefoxitin
Expected result of S. saprophyticus in Novobion test
susceptible
resistant
variable
S. saprophyticus may be similar with S. aureus in (more than 1 answer required)
hemolytic pattern
mannitol fermentation
DNase test
coagulase test
CONS resistant to vancomycin
S. simulans
S. xylosus
S. haemolyticus
S. lugdunensis
Opportunistic CONS
S. haemolyticus
S. hominis
S. lugdunensis
S. auricularis
