Normal Biota of the Upper Respiratory Tract Include ________

Question

Normal biota of the upper respiratory tract include ________.
A)Streptococcus pyogenes
B)Streptococcus pneumoniae
C)Neisseria meningitidis
D)alpha-hemolytic streptococci
E)All of the choices are correct.

Accepted Answer

The upper respiratory tract normally harbors a variety of microorganisms, including Streptococcus pneumoniae, Neisseria meningitidis, and alpha-hemolytic streptococci, among others.