1. A 50-year-old male smoker with COPD presents to the clinic complaining of several days of fever, loss of appetite, coughing, and chest pain. The cough is productive of purulent sputum. Physical examination reveals a temperature of 102.0°F, pulse of 88, respiratory rate of 24. The lung exam reveals crackles on the lower right lobe and wheezing on the upper airways. Which of the following bacteria is more likely to be the infectious agent?
A) oral clarithromycin