Reticular lichen planus is located most frequently on the:

A characteristic clinical feature of herpes zoster is:

Measles is a highly contagious disease. Early in the disease, you can find oral lesions, which are small red macules with a white center. These are called:

What type of lymphocyte matures in the lymph nodes, and is ultimately responsible for the development of plasma cells?

Which of the following cells is known as a “helper” cell because it sends out lymphokines to stimulate the immunologic response?

Looking at this picture, this patient presented for a routine examination, with no chief complaint. The periapical radiograph viewed here is most representative of a:

Why do intraepithelial blisters due to separation between epithelial cells occur with Pemphigus Vulgaris?

In the immune system, antibodies (also known as immunoglobulins) are proteins that are:

A condition usually found on the lateral borders of the tongue in which the Epstein-Barr virus is found is called:

Autoimmune diseases are also known as connective tissue diseases. Autoimmune diseases are a result of a decrease in our antibody production to certain connective tissue components.