(Part 2) 2.2.2 Streptococcus pyogenes Flashcards
1
Q
S. pyogenes may be carried in the lower respiratory tract of humans
T or F
A
F
Upper
2
Q
Virulence factor that causes Scarlet fever
A
Streptococcal pyrogenic exotoxin
3
Q
Virulence factor that is antiphagocytice that mediates the post-streptococcal sequelae
A
M protein
4
Q
Virulence factor that is known as the spreading factor
A
Hyaluronidase
5
Q
How does hyaluronidase spread?
A
It solubilizes connective tissue
6
Q
O2 stable, non immunogenic
A
Streptolysin S
7
Q
O2 labile, Immunogenic
A
Streptolysin O
8
Q
Immunogenic can activate innate immune system
T or F
A
F
Adaptive
9
Q
NOTE: Other Virulence factor
A
Protein F
Hyaluronic Acid capsule
DNase
Streptokinas
