5-1: Microbiology: Diagnosis Of Bacterial Infections Flashcards
1
Q
Q: What is gram stain used for?
A
A: distinguishes between 2 different groups of bacteria
Gram negative= red
Gram positive= purple
2
Q
Q: In terms of bacterial shape, what is bacillus and coccus?
A
A: rod-like, spherical
3
Q
Q: In terms of grouping, what are they if they are in clusters/chains? Or single?
A
A: lactose fermenter
lactose non fermenter
4
Q
Q: What is the catalase test?
A
A: catalase is a common E
if you place loop of bacteria in hydrogen peroxide and it bubble-> catalase positive
5
Q
Q: What is the coagulase test?
A
A: checks for presence of E coagulase
loop of bacteria and drop of test reagent and mix -> if clotting/ clumping = positive
