The Respiratory System

at a Glance

Jeremy Ward, Jane Ward and Richard Leach

Multiple Choice: Chapter 3 Pressures and volumes during normal breathing

Question 3.1. Functional residual capacity

a is the volume left in the lungs after a maximum expiration
b is the sum of residual volume and tidal volume
c is affected by the elastic recoil of both the lungs and chest wall but not the strength of the inspiratory or expiratory muscles
d is the volume in the lungs when intrapleural pressure is about 0.5 kPa above atmospheric.