P2. Mc Conkey Agar Flashcards
1
Q
original color of MAC?
A
Light Pink
2
Q
MAC is selective for?
A
gram negative
Enteric bacilli
3
Q
Selective inhibitors?
A
crystal violet, bile salts, & citrate
4
Q
Differential indicators?
A
neutral red
(red/dark pink)
5
Q
Lactose fermenter color?
A
Dark Pink
Yellow
6
Q
Non-lactose fermenter
A
Colorless
no acid formed
Alkaline? Yellow.
7
Q
MAC’s
1. RLF bacteria
2. color
A
- E. coli & Enterobacter aerogenes
- Pink
8
Q
MAC’s
1. NLF bacteria
2. color
A
- Proteus & Salmonella
- Colorless
9
Q
____ does not ferment so the MAC remains the same + it will not grow since it is inhibited.
A
S. aureus
