2.3.3 Microscopic Examination Flashcards
1
Q
What is the characteristics of Legionella in microscope?
A
Pleomorphic and weakly gram negative bacilli
2
Q
This is used for easy detection and viewing for Legionella
A
Direct immunofluorescent antibody test
3
Q
Stain for Direct immunofluorescent antibody test
A
Silver or Giemsa stains
4
Q
What is the requirement for the growth of Legionella?
A
Iron and L-cysteine
5
Q
Culture media use for isolation?
A
CHOC and BCYE
6
Q
What is the appearance of Legionella pneumophila?
A
Ground glass appearance / Colony
7
Q
NOTE: Grayish -white or Blue green, Convex and glistening measuring 2-4 mm in diameter
A