On exam, there is mild conjunctivitis and pharyngitis. Tympanic membranes are inflamed, and one bullous lesion is seen. Chest exam shows few basilar rales.
Laboratory findings are as follows:
Hct: 38
WBC: 12,000/μL
Lymphocytes: 50%
Mean corpuscular volume (MCV): 83 nL
Reticulocytes: 3% of red cells
CXR: bilateral patchy lower lobe infiltrates
The sputum Gram stain is likely to show
a. Gram-positive diplococci
b. Tiny gram-negative coccobacilli
c. White blood cells without organisms
d. Acid-fast bacilli
This patient is likely to have
a. High titers of adenovirus
b. High titers of IgM cold agglutinins
c. A positive silver methenamine stain
d. A positive blood culture for Streptococcus pneumoniae
Treatment of choice is
a. Erythromycin
b. Supportive therapy
c. Trimethoprim-sulfamethoxazole
d. Cefuroxime