Fascia is what type of tissue?

The cells that are believed to mediate the destructive basal cell changes seen microscopically in lichen planus are:

a. Plasma cells b. T lymphocytes c. B lymphocytes d. Langerhans cells e. Keratinocytes

A biopsy that involves removing the complete lesion and a border of normal tissue is ____________

a. incisional b. excisional c. smear d. none of the above