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Asepsis means ______.

  • A.chemical killing of microbes
  • B.physical killing of microbes
  • C.preventing entry of microbes
  • D.killing microbes by irradiation

Answer: C

Asepsis means preventing the entry of microbes. An aseptic technique keeps the work, the container and the product free of contamination from the beginning.

Killing microbes by chemicals is disinfection, by heat or other physical means is sterilisation, and by radiation is irradiation, so the other options describe other processes.

Asepsis is the absence of unwanted microbes in the work place and the product, and it is obtained by keeping them out. Sterilisation and disinfection kill microbes that are already present.

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