Two Opposing Mechanisms Determine Alveolar Expansion: ________ Leads to Alveolar

question 32

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

---

Definitions:

Alarm Calls

Vocal sounds made by animals to warn others in the group of impending danger, a component of social communication among many species.

Potential Threats

Possible sources of danger or harm that could lead to negative outcomes if not recognized, avoided, or addressed properly.

Polygynous

A mating system in which a male has more than one female partner at the same time.