02-22-2009, 11:50 AM
You are seeing a 14-year-old boy in your office who complains of fever, facial pain, and cough at night. His mother states that he has had problems with sinusitis for the past few months and has required repeated antimicrobial therapy during this period. Physical examination reveals a temperature of 101°F (38.3°C), yellow-green nasal discharge, and tenderness to palpation of the maxillary and frontal sinus regions. Of the following, the MOST likely pathogen associated with chronic sinusitis is
A) Moraxella catarrhalis
B) nontypeable Haemophilus influenzae
C) Staphylococcus aureus
D) Streptococcus pneumoniae
E) Streptococcus pyogenes
A) Moraxella catarrhalis
B) nontypeable Haemophilus influenzae
C) Staphylococcus aureus
D) Streptococcus pneumoniae
E) Streptococcus pyogenes