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Exam questionKROK 1Medicine ยท 2007

From pharynx of a child with suspected diphtheria a pure culture of microorganisms was isolated. Their morphological, tinctorial, cultural and biochemical properties appeared to be typical for diphtheria causative agents. What study should be conducted in order to drow a conclusion that this is a pathogenic diphtheria bacillus?

Answer options

  1. Estimation of proteolytic properties
  2. Estimation of cystinous activity
  3. Estimation of urease activity
  4. Estimation of ability to decompose starch
  5. Estimation of toxigenic properties
Correct answer

Estimation of toxigenic properties

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