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Exam questionKROK 1Dentistry · 2008

A 2 y.o. child has catarrhal effects and skin eruption. A doctor suspected scarlet fever. The child was injected intracutaneously with some serum to the erythrogenic streptococcus toxin, on the spot of injection the eruption disappeared. What do the reaction results mean?

Answer options

  1. They confirm the clinical diagnosis
  2. The child’s immune system is very weakened
  3. The disease was caused by nonhemolytic streptococcus
  4. The child has hypersensitivity to the erythrogenic toxin
  5. The complete dose of serum could be introduced intravenously
Correct answer

They confirm the clinical diagnosis

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