Final answer:
Dermatosis papulosa nigra is a common skin condition characterized by small, smooth, dark brown or black bumps on the face, neck, and upper trunk.
Step-by-step explanation:
Dermatosis papulosa nigra is a common skin condition that primarily affects people of African or Asian descent. It is characterized by the presence of small, smooth, dark brown or black bumps on the face, neck, and upper trunk. These bumps are benign and usually do not cause any symptoms, but they can be cosmetically bothersome for some individuals.