What Keeps the Trachea from Collapsing

question 39

Multiple Choice

What keeps the trachea from collapsing?

• A) Surface tension of water
• B) Surfactant
• C) Semicircular rings of cartilage
• D) Cilia

---

Definitions:

Wage Increases

An upward adjustment in the amount of compensation employees receive for their work, often in response to inflation, productivity, or market demand.

Leisure

Time available for ease and relaxation where no work is done.

Income Effect

The income effect describes how changes in consumer income influence purchasing decisions, typically leading to increased spending with higher income.

Wages Increase

An upward adjustment in the amount of compensation workers receive for their labor, influencing purchasing power and cost of living.