Physiological dead air space is anatomic dead space plus
A) the residual volume.
B) the volume of any alveoli where gas exchange is diminished.
C) the volume of blood flowing to the lungs.
D) the respiration rate.
E) tidal volume.

Question

Quizplus · Accepted Answer

Physiological dead space includes both the anatomic dead space (airways that do not participate in gas exchange) and the volume of any alveoli where gas exchange is diminished or absent, making choice B correct.

Physiological Dead Air Space Is Anatomic Dead Space Plus