A patient is suffering from pneumonia. Laboratory study shows acid-fast filamentous bacterium. The causative organism is ?: (A) M. tuberculosis, (B) Actinomyces, (C) Nocardia, (D) Mycobacterium Avium intracellulare
Answer is C. Ans. is 'c' i.e., Nocardia Symptoms of pneumonia by a filamentous acid fast bacterium suggest the diagnosis of Nocardia.