Dermatopathology

Bullous Diseases Practice Questions

20 free Bullous Diseases practice questions for the Pathology, each with the correct answer and a detailed explanation. Open any question below, or take the full set as an interactive quiz.

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All Bullous Diseases questions

20 questions
  1. Q1. Which of the following proteins is the primary autoantibody target in Pemphigus Vulgaris?
  2. Q2. A skin biopsy shows a subepidermal blister with a dense infiltrate of eosinophils. Direct immunofluorescence (DIF) reveals linear IgG and C3 along the basement…
  3. Q3. Which histological feature is referred to as the 'tombstone' appearance in Pemphigus Vulgaris?
  4. Q4. Dermatitis herpetiformis is pathologically characterized by the presence of which of the following?
  5. Q5. Which bullous disease is characterized by a 'fishnet' or 'chicken-wire' pattern on direct immunofluorescence?
  6. Q6. A patient presents with fragile blisters on the sun-exposed skin of the hands. Histology shows a subepidermal blister with 'caterpillar bodies' and minimal inf…
  7. Q7. Pemphigus foliaceus differs from Pemphigus vulgaris histologically because the acantholysis occurs at which level?
  8. Q8. Which of the following best describes 'acantholysis'?
  9. Q9. In the Salt-Split Skin technique, the autoantibodies in Bullous Pemphigoid bind to which side of the split?
  10. Q10. What is the primary histological finding in Bullous Impetigo?
  11. Q11. Which molecule is the target of autoantibodies in Cicatricial (Mucous Membrane) Pemphigoid?
  12. Q12. Direct immunofluorescence of Dermatitis Herpetiformis typically shows which pattern?
  13. Q13. Which bullous disease is characterized by 'festooning' of the dermal papillae into the blister cavity?
  14. Q14. Hailey-Hailey disease (Familial Benign Pemphigus) is caused by a defect in which of the following?
  15. Q15. Which bullous disease is often associated with an underlying thymoma or Myasthenia Gravis?
  16. Q16. A 30-year-old pregnant woman in her third trimester develops extremely pruritic bullae starting at the umbilicus. What is the most likely diagnosis?
  17. Q17. Epidermolysis Bullosa Simplex is primarily caused by mutations in which genes?
  18. Q18. Which of the following conditions presents with 'Nikolsky sign' positivity?
  19. Q19. In Epidermolysis Bullosa Acquisita (EBA), the autoantibodies are directed against:
  20. Q20. What is the classic histological description of the acantholysis in Hailey-Hailey disease?