Which of the following is anaerobic non - acid fast bacilli:: (A) Tuberculosis, (B) Listeria, (C) Nocardia, (D) Actinomyces
Answer is D. Actinomyces is an obligate anaerobe & Non acid fast Tuberculosis- it is Gram positive acid fast 20% (depends on mycolic acid content) Listeria-it is Gram positive coccobacilli Nocardia -it is Obligate aerobe , acid fast (1%)