Two Opposing Mechanisms Determine Alveolar Expansion: ________ Leads to Alveolar

Multiple Choice

Two opposing mechanisms determine alveolar expansion: ________ leads to alveolar expansion, while ________ opposes alveolar expansion.

A) lung recoil; positive pleural pressure
B) positive pleural pressure; lung recoil
C) lung recoil; negative pleural pressure
D) negative pleural pressure; lung recoil