Great job! You are right. Some unsuspecting person inhales the droplets and they travel down into their alveoli to start some trouble. Where do we go from here?

tb03.gif (12170 bytes) What happens if the T-cells start an immune response?

A. The tubercle becomes necrotic and dies

B. Immunity develops.

C. The macrophages secrete an antibody that keeps the tubercle in the alveoli.