Which chemical indicator is a process indicator

CRCST practice question · Preparation & Packaging

Which chemical indicator category is designed to tell processed from unprocessed items, such as indicator tape on the outside of a package?

  • A. Type 2 (specific-test indicator)
  • B. Type 5 (integrating indicator)
  • C. Type 6 (emulating indicator)
  • D. Type 1 (process indicator)

Answer

D. Type 1 (process indicator)

Type 1 process indicators, like external tape, show that a package went through a sterilization process. They don't show that the cycle parameters were met inside the package. A Type 2 is used for specific tests such as the Bowie-Dick, and Types 5 and 6 respond to all critical variables.

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