Gross Colony Char Flashcards
Smooth, glistening and clay like
A. S. aureus
B. N-elongata
C. Nocardia spp
B. N-elongata
Buttery and creamy yellow
A. S. aureus
B. N-elongata
C. Nocardia spp
S. Aureus
Brittle, crumbly, wrinkled
A. S. aureus
B. N-elongata
C. Nocardia spp
Nocardia
fried egg on BAP
A. Mycoplasma
B.b. pertusis
A. my coplasma
Shiny Half pearls on BAP
COLONIES appearing like “Mercury droplets
A. P. Aeroginosa
B. B. Pertusis
B. Pertusi s
Greenish metallic Sheen on Bap
A. E.coli
B.p.aeruginosa
p-aeruginosa
Serrated confluent growth on Cetrimide
p. aeruginosa
Swarming on SBA /choc Agar
Gram neg
A. C. tetani and C. Septicum
B .Proteus
B. Proteus spp
fastidious
S. pneumoniae
young - colonies of S. pneumoniae 24 hrs)
A) coin with raised rim or Flat with penny edge
B.) domed shaped
c.)head appearing, checker appearanced
B
Semi-opaque colonies -“bull’s eye” appearing, gram(+)
A. S. agalactiae
B. M. catarrhalis
C. B. anthracis
D. C. diphtheriae
A.
Tenacious colonies with beaten egg white consistency
Colonies with “swirling projections” appearing like MEDUSA HEAD, LION HEAD, Colonies with comet tail appearance
A. S. agalactiae
B. M. catarrhalis
C. B. anthracis
D. C. diphtheriae
C. B. anthracis
HOCKEY PUCK COLONIES
Colonies remaining intact when pushed across the plate using inoculating loop; colonies with WAGON WHEEL APPEARANCE
A. S. agalactiae
B. M. catarrhalis
C. B. anthracis
D. C. diphtheriae
B. M. Catarhallis
Gray to black on CTBA and
Black colonies with Brown halo on Tinsdale
A. S. agalactiae
B. M. catarrhalis
C. B. anthracis
D. C. diphtheriae
D. C. diphtheriae
Cauli flower like growth
A. Rhodococcus egui
B. M. tuberculosis
C. M. Xenopi
D. M. bovis
B. M. Tuberculosis
Salmon pink pigmentation on BAP
A. Rhodococcus egui
B. M. tuberculosis
C. M. Xenopi
D. M. bovis
A. Rhodococcus equi
Bird’s nest appearing colonies on Corn meal agar
A. Rhodococcus egui
B. M. tuberculosis
C. M. Xenopi
D. M. bovis
C. M. Xenopi
Water droplet appearing colonies
A. Rhodococcus egui
B. M. tuberculosis
C. M. Xenopi
D. M. bovis
D. M. Bovis
oxidase( -)
Bull’s eye appearing colonies on CIN
Gram(-)
A. Aeromonas spp.
B. Y enterolitica
A. Aeromonas spp.
oxidase(+)
Bull’s eye appearing colonies on CIN
Gram(-)
A. Aeromonas spp.
B. Y enterolitica
A. Aeromonas spp.
Hammered copper colonies on BAP
y. Pestis
Non Fermenter wrinkled Colonies
P. Stutscri
Non-fermenter - Wrinkled colonies with earthy Odor
A. B. pseudomallaei
B. H. influenzae
C. Actinomyces israeli
D. Clostridium septicum
E. F. nucleatum
A. B. pseudomallaei
Molar tooth - appearly colonies
A. Actinomyces israeli
B. Clostridium septicum
C. F. nucleatum
A. Actinomyces
Shows Sattelitism - luxuriant growth near the source of the incorporated V factor
A. H. influenzae
B. Actinomyces israeli
C, Clostridium septicum
A. H. influenzae
Colonies with rhizoid margins appearing like “medusa head” (+) swarming
A. H. influenzae
B. Actinomyces israeli
C,Clostridium septicum
D. F. Nucleatum
C, Clostridium septicum
colony types
Speckled and smooth
Bread crumb like salt Grains
Greening on agar on exposure to air
A. H. influenzae
B. Actinomyces israeli
C,Clostridium septicum
D. F. Nucleatum
D. F. Nucleatum
Sweet, fetid odor
A. Peptostreptococcus anaerobius
B.Fusobacterium varium
A. Peptostreptococcus anaerobius
Colonies appearing like “fried egg”
A. Leptotrichia
B. Fusobacterium varium
B. Fusobacterium varium
Raspberry Like colonies, Brick Red
A.Prevotella, Porphyromonas
B. Lepto trichia
C.C. ureolyticus
B. Lepto trichia
Anaerobes showing red fluorescence
A.Prevotella, Porphyromonas
B. Lepto trichia
C.C. ureolyticus
A-Prevotella , porphyromonas
Pits and corrode agar with typical bleach like odor
A. C. ureolyticus
B.Eikenella Corrodense
C. S. Areus
B.Eikenella Corrodense
Colonies with an odor similar to an OLD SOCK on MSA
A. C. ureolyticus
B.Eikenella Corrodense
C. S. Areus
C. S. Areus
Inverted Fir tree or inverted pine tree appearance on Gelatin media
A.C. difficile
B. B. anthracis
C. S. Areus
B. B. anthracis
on BAP - it fluoresces CHARTREUSE
on CCFA- Horse stable or barn yard odor
A.C. difficile
B. B. anthracis
C. S. Areus
A.C. difficile
Umbrella Like growth on agar surface
L. monocytogenes
Bottle brush like/ test tube brush like/ pipe cleaner pattern of growth
A.E. rhusiopathiae
B.L. monocytogenes
A.E. rhusiopathiae
Burnt chocolate or Burnt Gun powder odor
Proteus spp
Gram (-) yellow pigment that intensifies at RT
A. C. Violaceum
B. p. aeruginosa
C. C.Sakazaki
C. Sakazaki
Colonies with dirty, musty odor like potatoes
Serratia odorifera
Produces Prodigiosin - Brick Red Pigment
A.Serratia marcescens & Serratia Rubidea
B.L. monocytogenes
C.Serratia Rubidea
A.Serratia marcescens & Serratia Rubidea
Colonies with an odor similar to overripe grapes
P. aeruginosa
Produces violet pigment- VIOLACEIN, colony odor: ammonium cyanide odor
C. violaceum
Brown black pigmentation
A. Kluyvera.
B. Prevotella melaninogenica
C. p. mirabilis
d. Nocardia
e Legionella
B. Prevotella melaninogenica
Blue
A. Kluyvera.
B. Prevotella melaninogenica
C. p. mirabilis
d. Nocardia
e Legionella
A. Kluyvera.
Putrid
A. p. mirabilis
d. Nocardia
e. Legionella
P.mirabilis
Freshly plowed field odor
Nocardia
Ground glass appearance
Legionella
Non culturable but can be maintained alive using mice foot pads or foot pads of Armadillo
M. Leprae
Non cultivable but viability can be maintained using testicular chance of rabbits
T. pallidium
Breadcrumbs Puff bans/Fluff balls growth on broth
A. F. Nucleatum
B. Y. Pestis
C. S. Angionosus
D. S. Moniliformis
s.moniliforms
Speckled colonies
A. F. Nucleatum
B. Y. Pestis
C. S. Angionosus
D. S. Moniliformis
A. F nucleatum
stalactite growth on Broth/Flocculent Broth
B. Y. Pestis
C. S. Angionosus
D. S. Moniliformis
.B. Y. Pestis
colonies with Butter Scotch Odor
B. P. Aeruginosa
C. S. Angionosus
D. S. Moniliformis
C. S. Angionosus
pyocyanin and pyoverdin positive
B. P. Aeruginosa
C. S. Angionosus
D. S. Moniliformis
B. P. Aeruginosa
