A variable that rises to a preset value during inspiration and is held at that value until exhalation is termed a:

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Quizplus · Accepted Answer

A limit variable is what controls the maximum value that a variable (such as pressure, volume, or flow) can reach during inspiration. In this context, when a variable rises to a preset value and is maintained at that level until exhalation, it is acting as a limit variable, ensuring that the parameter does not exceed a certain threshold.

A Variable That Rises to a Preset Value During Inspiration