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Prosthodontics & Occlusion · single question

Which statement about biological (spore) tests for sterilizer monitoring is NOT true?

  1. They should be performed only once per year
  2. They use highly resistant bacterial spores to verify sterilization
  3. They should be performed at least weekly
  4. A positive spore test requires recall of the sterilizer and corrective action
Show answer and explanation

Correct answer: A. They should be performed only once per year

Spore testing should be done at least weekly (and with every implant load), not once per year, so the once-yearly statement is false.Other options: Using resistant spores, weekly testing, and acting on positive results are all correct.Key exam takeaway: Biologic (spore) monitoring of sterilizers: at least weekly, and with every implantable-load.

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