The portion of total ventilation that participates in gas exchange is known as

Question

Quizplus · Accepted Answer

The portion of total ventilation that participates in gas exchange is known as alveolar ventilation.The areas in the lungs that are ventilated but in which no gas exchange occurs are known as dead space regions.The conducting airways are referred to as anatomic dead space because they are ventilated but not perfused and therefore not able to participate in gas exchange.These unperfused alveoli are known as alveolar dead space.Anatomic dead space plus alveolar dead space is called physiologic dead space.

The Portion of Total Ventilation That Participates in Gas Exchange