Sterilization Methods and Monitoring Flashcards
6 cards from real SPD practice questions. Tap to flip, then mark Knew It or Still Learning — missed cards come back until you master them.
Read the first 6 Sterilization Methods and Monitoring flashcards as text
What factors can cause a steam sterilization cycle to fail?
Answer: Air leaks, inadequate steam quality, overloading, improper packaging, or equipment malfunction
Multiple factors can compromise sterilization, all related to preventing steam from adequately contacting all surfaces at the correct conditions.
What is the role of steam quality in effective sterilization?
Answer: Steam quality (dryness fraction, superheat level, and non-condensable gas content) directly determines sterilization effectiveness
Steam quality parameters directly impact the steam's ability to deliver lethal energy to all surfaces.
How does vaporized hydrogen peroxide (VHP) sterilization differ from hydrogen peroxide gas plasma?
Answer: VHP uses hydrogen peroxide vapor without the plasma phase, operating at different temperatures and parameters with different material compatibility
VHP relies on vapor-phase killing without plasma activation, resulting in different operating parameters and device compatibility.
What is parametric release and under what conditions might it be applied?
Answer: Releasing sterilized items based solely on verified physical cycle parameters without waiting for biological indicator results
Parametric release allows items to be used based on verified cycle parameters alone, but requires extremely stringent validation that most healthcare facilities do not maintain.
What is ozone sterilization and what are its characteristics?
Answer: A low-temperature method using ozone gas generated from oxygen and water, leaving no toxic residuals
Ozone sterilization generates its sterilant on-site from basic utilities and produces only harmless water and oxygen byproducts.
How should sterilizer printouts and electronic records be reviewed and maintained?
Answer: Every cycle printout must be reviewed for correct parameters, signed by the operator, and retained as part of the permanent quality record
Cycle documentation must be reviewed for every load to verify correct parameters, providing evidence of proper sterilization.
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