KROK 1 2011 – Question 85 · KROK (Medicine) · Microbiology, Virology, and Immunology
A 10-year-old child had the mantoux tuberculin test administered. 48 hours later a papule up to 8 mm in diameter appeared on the site of the injection. What type of hypersensitivity reaction developed after the tuberculin injection?
- A. Type II hypersensitivity reaction
- B. Seroreaction
- C. Arthus phenomenon
- D. Atopic reaction
- E. Type IV hypersensitivity reaction
Hint
Note the delay of about two days before the skin reaction appears and consider which arm of the immune response needs that long to develop.
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