What Happens to a Dust Particle That Is Too Large

question 43

Multiple Choice

What happens to a dust particle that is too large to stay airborne and land in the alveoli?

• A)It lands in the bronchi, where it is absorbed.
• B)It lands in the mucociliary ladder, where it is moved to the trachea to be exhaled.
• C)It lands in the respiratory bronchiole, where it is coughed out.
• D)It lands in the mucociliary ladder, where type II macrophages phagocytize them.
• E)It lands in the mucociliary ladder and moves to the pharynx to be swallowed.

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Definitions:

Total Surplus

The total net gains for society represented by the combined amount of consumer surplus and producer surplus in a market.

Producer Surplus

This is an economic measure of the difference between the amount producers are willing to supply a good for and the amount they actually receive.

Consumer Surplus

The difference between the maximum price consumers are willing to pay for a product and the actual market price they pay.

Producer Surplus

The difference between the amount producers are willing to accept for a good or service and the actual amount they receive due to market price.