Staph and Micrococcus (Exam 3) Flashcards
Which species of this group is known to have a GPC gram stain with tetrads?
Micrococcus
What are the distinguishing factors of Micrococcus colony morphology?
Yellow color and no hemolysis
What are the distinguishing factors of Rothia colony morphology?
STICKY, Grey/white, no hemolysis
What are the distinguishing factors of S. saprophyticus colony morphology?
Bright white, no hemolysis
What are the distinguishing factors of S. aureus colony morphology?
Cream to golden colonies with beta or gamma hemolysis
Which of the staph species is coagulase positive and can be identified using the staph latex (clumping factor) test?
S. aureus
What are two other tests that can be used to ID S. aureus?
DNase test and Manitol Salt agar
Which organisms in this group can be identified by a positive Microdase test?
Micrococcus
Which of the CNS will most likely be found in a urine sample?
S. saprophyticus
Which of the CNS is notably PYR positive?
S. lugdunensis
What is the slime producing CNS that is known to acquire antibiotic resistance?
S. epidemidis
What is the catalase negative/anaerobic staph?
S. sacchrolyticus
What organism is the number one cause of sepsis?
S. aureus
Organisms ID: Yellow, GPC in tetrads, microdase positive
Micrococcus
Organisms ID: Negative for glucose fermentation, SS to Bacitracin and R to Furalozidone
Micrococcus