A four-year-old boy attending day care was complaining of ear pain. His pediatrician suspects otitis media caused by Str
Posted: Sun Jul 10, 2022 4:23 pm
A four-year-old boy attending day care was complaining of earpain. His pediatrician suspects otitis media causedby Streptococcus pneumoniae anddecides to wait before starting the boy on antibiotics. S.pneumoniae can colonize the nasopharynx and cause aspectrum of diseases including otitis media. Which pneumococcalvirulence factor has anti-phagocytic functions invivo and contributes to the Quellung reaction invitro?
a.
Cell wall
b.
Capsule
c.
IgA protease
d.Pneumolysin
Pneumolysin
e.
Cell membrane
14
a.
Cell wall
b.
Capsule
c.
IgA protease
d.Pneumolysin
Pneumolysin
e.
Cell membrane
14