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6557 Microbiology

A 47 – year – old man with chronic asthma who has been treated with steroids for many years develops a productive cough, weight loss, and night sweats. Imaging studies reveal the presence of abscesses in the lungs and brain. Cultures show gram – positive filaments that are weakly acid – fast Which of the following organ- isms is responsible for this patient’s condition?

AActinomyces israelii
BBacillus anthracis
CMycobacterium tuberculosis
DNocardia asteriods
Microbiology
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