The soaking time needed to kill spores by a glutaraldehyde 2% extended sterilization is:

Study for the Sterile Processing Technician Exam. Review flashcards and multiple choice questions, with hints and explanations for each question. Prepare for your certification exam!

The correct response indicates that a soaking time of 8 hours is needed for glutaraldehyde at a 2% concentration to effectively kill spores in extended sterilization. Glutaraldehyde is a high-level disinfectant, and its sporicidal action requires a specific contact time at the appropriate concentration.

For sterilization purposes, particularly with resistant organisms like spores, longer exposure is critical. The 8-hour timeframe aligns with established guidelines from infection control protocols that ensure complete microbial destruction. It is key to note that while glutaraldehyde can be used for shorter disinfection periods under different conditions, achieving sterilization—especially concerning spore-formers—demands adherence to this extended duration.

In contrast, shorter soaking times would not be effective for sporicidal activity, and relying on them could compromise patient safety due to potential residual spores on instruments. Thus, the emphasis on an 8-hour duration underscores the importance of proper protocol in achieving thorough sterilization.

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