Lecture 3 Flashcards
1
Q
Wild cultures
A
Organisms that are fully identified and isolated from patients.
2
Q
Nutrient Agar
A
A general purpose medium which may be enriched with 10% blood or other biological fluid.
3
Q
Use of nutrient agar
A
- To cultivate organisms which are not exacting in their food requirements.
- To grow organisms and perform identification tests.
4
Q
Blood Agar
A
A blood agar base possessing enhanced nutritional properties for the cultivation of fastidious pathogens and other micro-organisms.
5
Q
Use of blood agar
A
Permits maximum recovery without interfering with haemolytic reactions
6
Q
Stiff Blood Agar
A
Single layer. Used to prevent swarming of Proteus Species
7
Q
Special Media for anaerobes
A
- Wilkens-Chalgren Agar
- Supplement for non-sporing anaerobes
- Supplement for Gram Negative anaerobes
8
Q
Use of Wilkens-Chalgren Agar
A
- Susceptibility testing for anaerobes
- Non-selective medium for anaerobes
9
Q
Supplement for non-sporing anaerobes
A
Prevotella loescheii
10
Q
Supplement for gram negative anaerobes
A
Bacteroides fragilis
