The diagnosis of lichen planus is made on the basis of

Which condition is NOT considered a variant of normal?

The dorsal tongue lesions marked by the arrows are best diagnosed as:

In 3 sentences or less, explain the differences between primary and secondary immunodeficiency (2 points) and give one example of each (2 points).

Sarcoidosis is characterized by which of the following features observed on biopsy?

A separation between epithelium and the underlying connective tissue is a microscopic feature of

Which of the following is the first line of treatment for managing oral lesions caused by pemphigus vulgaris?

Which is NOT a specific component of immunity?

The most characteristic skin lesion in systemic lupus erythematosus is a:

Which autoimmune disease primarily affects salivary and lacrimal glands?