Moraxella

Question 1

What is the feature that is used to identify moraxella in culture.

Answer 1

Hockey stick sign

Question 2

List the biochemical positives of moraxella

Answer 2

Oxidase positive
Catalase positive
Butyrate esterase positive.
Dnase positive

Question 3

List the clinical features of moraxella catarrhalis

Answer 3

Otitis media.
Lower respiratory tract infections in copd pts.
Nosocomical tract infections.
Sinusitis.

Question 4

Virulence important in moraxella pathogenesis are;

Answer 4

Outer membrane proteins
Lipooligosaccharide.
Pilli

Question 5

What’s the treatment for moraxella catarrhalis

Answer 5

Co-amoxiclave.
Cephalosporin.
Fluroquninolones.
Tetracyclines

Question 6

Example of an anaerobic gram negative bacteria

Answer 6

Veillonella specie

Question 7

Habitat of veillonella spp

Answer 7

Normal flora G.I tract of humans and animals

And microflora of the tongue

Question 8

What are the clinical manifestation of veillonella spp

Answer 8

Supragingiva dental plaques.

Question 9

List other aerobic gram negative cocci found in the human gut:

Answer 9

Acidominococcus and megosphora spp