KROK 1 2023 – Question 35 · KROK (Medicine) · Microbiology, Virology, and Immunology
A 10-year-old child underwent a Mantoux test (with tuberculin). After 48 hours, a papule up to 8 mm in diameter appeared at the site of tuberculin injection. What type of hypersensitivity reaction developed after administration of tuberculin?
- A. Type IV hypersensitivity reaction
- B. Arthus reaction
- C. Atopic reaction
- D. Type II hypersensitivity reaction
- E. Serum sickness
Hint
Consider the timing of the response, which appears only after two days, and whether antibodies or sensitized T lymphocytes mediate a skin reaction to tuberculin.
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