Practice Quiz 1 (Agar and Hemolysis) Flashcards
HEMOLYSIS PATTERN
“RBCs are lysed and there is a complete discoloration of the agar surrounding the colony”
Beta Hemolysis
HEMOLYSIS PATTERN
“Partial hemolysis of RBCs with Greenish discoloration of the agar”
Alpha Hemolysis
HEMOLYSIS PATTERN
“No hemolysis around the colony”
Gamma Hemolysis
Identify the Bacteria based on Colony Morphology
“Greenish metallic sheen”
“Eosin-Methylene Blue agar”
E. coli
Identify the Bacteria based on Colony Morphology
“Fish Eye appearance”
“Eosin-Methylene Blue agar”
Enterobacter
Identify the Bacteria based on Colony Morphology
“Bull’s Eye appearance”
“Cefsulodin-Irgasan-Novobiocin agar”
Yersinia enterocolitica
Identify the Bacteria based on Colony Morphology
“Medusa Head appearance”
“Blood Agar Plate (BAP)”
Bacillus anthracis
What is the other name of the Cefsulodin-Irgasan-Novobiocin (CIN) agar?
Yersinia Selective Agar
What is not observed when looking at the “Gram-stain” of bacteria?
Colony appearance
The sample collected from a vaginal secretion shows a gram-positive organism with budding characteristic. Which of the following organism is best described by this description?
Candida albicans
Which bacteria only has a variable Indole test?
Yersinia
Which bacteria only has a variable Methyl Red test?
Serratia
Which bacteria only has a negative Voges Proskauer and positive for all in IMVC?
Providencia
Which 3 bacteria has both negative in Indole and Methyl Red and both positive in Voges Proskauer and Citrate Test? ( - , - , + , + )
Enterobacter
Klebsiella
H. alvei
Which 4 bacteria has both positive Indole and Methyl Red and both negative Voges Proskauer and Citrate Test? (+,+, - , - )
Edwardsiella
E. coli
Morganella
Proteus
