Exam questionKROK 1Medicine ยท 2011
Sanitary bacteriological research on water by the membrane filter method revealed two red colonies on a membrane filter (Endo agar) through which 500 ml of analyzed water were passed. Calculate the coli index and coli titer of the analyzed water:
Answer options
- 2 and 500
- 250 and 4
- 250 and 2
- 4 and 250
- 500 and 2
Correct answer
4 and 250
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