Multiple choice

Which of these statements is true regarding the bullous skin diseases?

  1. In the bullous skin eruptions the edge of established bullae should be biopsied for direct immunofluorescent examination.

  2. Pemphigus vulgaris is the least serious of the bullous skin disorders.

  3. Pemphigus vulgaris is a disease of younger individuals, usually 20 - 40 years.

  4. Pemphigus vulgaris blisters occur within the dermis.

  5. The main antigenic target the autoantibodies in pemphigoid is the adhesion molecule, desmoglein 3.
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A Correct answer
Explanation

The edge of new bullae shows the immunopathogenic autoantibody in situ.

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