1. The differential diagnosis of mucous membrane pemphigoid (MMP) includes all of the following except:

1. Bullous pemphigoid
2. Dermatitis herpetiformis
3. Pemphigus vulgaris
4. Linear IgA bullous dermatosis
5. Paraneoplastic pemphigoid

2. Which of the following is the most frequently involved mucosal surface in MMP?

1. Nasal
2. Anal
3. Laryngeal
4. Oral
5. Esophageal