KROK 1 2009 – Question 120 · KROK (Medicine) · Pathomorphology

After the prior sensibilization an experimental animal was given a subcutaneous injection of an antigen. The place of injection exhibited a fibrinous inflammation with alteration of the vessel walls, basal substance and fibrous structures of the connective tissue in form of mucoid and fibrinoid swelling and necrosis. What immunological reaction is it?

  1. A. Granulomatosis
  2. B. Normergic reaction
  3. C. Immediate hypersensitivity
  4. D. Reaction of transplantation immunity
  5. E. Delayed-type hypersensitivity
Hint

Combine what the sensitisation implies with the timing and the fibrinoid change in the vessel walls to decide which type of immune injury this is.

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