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Which of the following is a confirmatory test of blood?

Question and options

Which of the following is a confirmatory test of blood?
  1. Kastle-Meyer test
  2. Leucomalachite Green test
  3. Adler test
  4. Teichmann test

Answer and explanation

Correct answer: D - Teichmann test
The Teichmann (haemin crystal) test is a confirmatory test for blood. Kastle-Meyer (phenolphthalein), leucomalachite green and similar peroxidase tests are presumptive.

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