Of the normal tidal volume for the average 70-kg adult, what amount of air (in mL) is NOT available for gas exchange?
A) 50
B) 100
C) 150
D) 250

Question

Quizplus · Accepted Answer

The amount of air not available for gas exchange in the average 70-kg adult, also known as the anatomical dead space, is approximately 150 mL. This volume represents the air in the respiratory tract that does not participate in gas exchange because it does not reach the alveoli.

Of the Normal Tidal Volume for the Average 70-Kg Adult