All of the following are categories of enforcement action that the FDA can use except

During CPR you notice that the patient's abdomen begins to swell. This is most likely due to:

A) forceful compressions. B) internal bleeding. C) ventilation that was too forceful. D) the patient choking.

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