Exam questionKROK 1Medicine · 2009
In a 2-year-old child with catarrhal presentations and skin rash a pediatrician suspected scarlet fever. The child was given intracutaneously a small dose of serum antibody to the streptococcal erythrogenic toxin; on the site of injection the rash disappeared. What do the reaction results mean?
Answer options
- The child has hypersensitivity to the erythrogenic toxin
- The child has very weak immune system
- The clinical diagnosis was confirmed
- The whole serum dose may be injected intravenously
- The disease wasn’t caused by haemolytic streptococcus
Correct answer
The clinical diagnosis was confirmed
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