A 5-year-old boy is brought to the physician, because of a 10-day history of cough, bilateral nasal discharge, and nasal congestion. He has also been febrile, with a temperature ranging between 38.5°C (101.3°F) and 39.0°C (102.2°F). There has not been any vomiting, diarrhea, or earache. He has been otherwise well and has received all recommended vaccinations. Vital signs are as follows: blood pressure (BP), 96/65 mm Hg; pulse, 110 beats/minute; temperature, 39.0°C (102.2°F); and respirations, 24 breaths/minute. There is a thick, purulent nasal discharge bilaterally, along with a mild erythema of the nasal mucosa. Otoscopic examination demonstrates a translucent, pearly grey tympanic membrane and presence of the light reflex. What organism is a sinus aspirate culture is most likely to grow ?
A. Aspergillus species
B. Haemophilus influenzae
C. Moraxella catarrhalis
D. Staphylococcus aureus
E. Streptococcus pneumoniae
A. Aspergillus species
B. Haemophilus influenzae
C. Moraxella catarrhalis
D. Staphylococcus aureus
E. Streptococcus pneumoniae