KROK 1 Stomatology 2016 – Question 115 · KROK (Dentistry)

Routine investigation of microbiological sanitary condition of air in a hospital is performed once in 3 months. What microorganism is the sanitary indicator of air condition in an enclosed space?

  1. A. S.aureus
  2. B. E.faecalis
  3. C. C.perfringens
  4. D. P.aeruginosa
  5. E. E.coli
Hint

Think about which microbes are shed from the human respiratory tract into indoor air and survive well in droplets and dust.

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