Question

A 45-year-old with HIV has a low CD4 count and presents with a productive cough and fever. Sputum stain shows acid-fast bacilli. Which organism is most likely?

Accepted Answer

Mycobacterium tuberculosis

Answer

Mycobacterium avium complex (MAC)

Answer

Mycobacterium leprae

Answer

Nocardia asteroides

Answer

Mycobacterium kansasii

Practice question

A 45-year-old with HIV has a low CD4 count and presents with a productive cough and fever. Sputum stain shows acid-fast bacilli. Which organism is most likely?