Microorganisms Flashcards
1
Q
What colour do gram positive and negative bacteria stain?
A
Negative- red
Positive-purple
2
Q
Examples of gram negative cocci
A
Neisseria meningitides
Neisseria gonnorhoaea
Moraxella catarrhalis
3
Q
Examples of gram negative bacilli
A
Enterobacteriaceae 'coliforms' Shigella Campylobacter E.coli Salmonella Pseudomonad aeruginosa
4
Q
Fastidious gram negative bacteria
A
Thin layer of peptidoglycan
Eg. Helicobacter pylori (gastric pathogen, 4-6 flagellum)
Eg. Legionella pneumophila (causes legionnaires disease and Pontiac fever, waterborne)
Eg. Haemophilia influenzae
5
Q
Gram negative anaerobes
A
Bacteroids fragilis
Fusobacterium necrophorum
6
Q
Acid fast bacilli
A
Mycobacterium tuberculosis
H pylori
Legionella?