What is the point in the respiratory track where inspired gas reaches body temperature, ambient pressure, saturated (BTPS) conditions?

Question

Quizplus · Accepted Answer

The point in the respiratory tract where inspired gas reaches body temperature, ambient pressure, and fully saturated conditions is known as the isothermic saturation boundary, or ISB. At this point, the inspired gas has reached BTPS conditions, which is important to consider when performing pulmonary function testing or delivering inhaled medications. The other options (A, B, and C) are not accurate descriptions of this point in the respiratory tract.

What Is the Point in the Respiratory Track Where Inspired