Part 8 - Infectious Diseases Flashcards
1
Q
Serotyping of Salmonella is based on what antigens?
A
Somatic O antigen (lipopolysaccharide cell wall components)
Surface Vi antigen
Flagellar H antigen
(p. 1049)
2
Q
All salmonella except ______ are motile by means of peritrichous flagella.
A
Salmonella gallinarum-pullorum
p. 1049
3
Q
All but Salmonella ______ produce gas (H2S) on sugar fermentation.
A
Typhi
p. 1049
4
Q
Factors that increase susceptibility to Salmonella infection
A
1) Conditions that decrease stomach acidity
2) Conditions that decrease intestinal integrity
(p. 1049)
5
Q
Salmonella penetrate the mucus layer of the gut and traverse the intestinal layer through what cells?
A
M cells
p. 1049