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Exam questionKROK 1Dentistry · 2019

In order to accurately identify etiology of peptic ulcer disease,polymerase chain reaction (PCR)analysis was performed on gastric biopsy specimen taken from 47-year-old patient ,eventually the test result was positive for H. pylori which of the following was mostly likely detected in PCR analysis?

Answer options

  1. Bacterial DNA
  2. Bacterial antigen
  3. Bacterial toxin
  4. Hpylori bacterium itself
  5. Bacterial enzymes –urease and catalase
Correct answer

Bacterial DNA

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