What Size Particles Do Not Gain Entry to the Lower

question 4

Multiple Choice

What size particles do not gain entry to the lower airways due to the filtering capacity of the nose?

• A) >2 mm
• B) >3 mm
• C) >4 mm
• D) >5 mm

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Definitions:

Short Run

A time period in economics during which at least one input is fixed, typically considered to be within a few months to a year.

Aggregate Supply

The total supply of goods and services that firms in an economy are willing and able to sell at different price levels.

Short-Run

A period during which at least one input, such as plant size or capital, is fixed, allowing only some production variables to be adjusted.

Long-Run

A period in economics where all factors of production and costs are variable, and all market adjustments to changes have been completed.