KROK 1 2017 – Question 155 · KROK (Medicine) · Microbiology, Virology, and Immunology
A 22-year-old woman ate some seafood. 5 hours later her torso and distal parts of her limbs developed small itchy papules which were partially fused together. One day later the rash disappeared spontaneously. Specify the hypersensitivity mechanism underlying these changes:
- A. Antibody-dependent cell-mediated cytolysis
- B. Systemic anaphylaxis
- C. Atopy (local anaphylaxis)
- D. Cellular cytotoxicity
- E. Immune complex hypersensitivity
Hint
Think about how soon the rash followed the meal, how long it lasted, and which class of immune reaction produces transient itchy wheals.
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