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According to ASTM regulations, what is the maximum allowable increase in vapor output during a flush?

  1. 5%

  2. 10%

  3. 15%

  4. 20%

The correct answer is: 10%

The maximum allowable increase in vapor output during a flush, as per ASTM regulations, is set at 10%. This standard is in place to ensure safety and efficacy in anesthetic delivery systems. During a flush, the increase in vapor output must be controlled to prevent overdose and maintain proper anesthesia management. Having this regulatory limit helps anesthesiologists and technologists to closely monitor and adjust the flow of anesthetic agents during procedures. A higher allowable increase could potentially lead to excessive levels of anesthetic being administered, which can pose risks to patient safety. Thus, adhering to this 10% threshold plays a crucial role in the effective and safe practice of anesthesia in the operating room.