Infection Control · single question

A spore (biological) test checks sterilizer efficacy. Which statement is INCORRECT?

  1. Should be performed (at least) periodically/weekly
  2. Uses bacterial spores to test sterilizer efficacy
  3. Confirms complete sterilization after each cycle
  4. Helps prevent cross-contamination
Show answer and explanation

Correct answer: C. Confirms complete sterilization after each cycle

  • A. Performing it routinely (commonly weekly; at minimum periodically) is correct.
  • B. It does use highly resistant bacterial spores — correct.
  • C. Correct answer (the INCORRECT statement). Spore testing is periodic and results take time; it does NOT confirm sterility of each individual cycle.
  • D. Verifying sterilization helps prevent cross-contamination — a correct statement.

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