What Happens to a Dust Particle That Is Too Small

question 65

Multiple Choice

What happens to a dust particle that is too small to fall from the inspired air and land in the alveoli?

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

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Definitions:

Decrease

A reduction in quantity, size, or intensity of a specific variable or condition, often used in economic contexts to describe trends in markets or metrics.

Budget Deficit

The financial situation where a government's expenditures exceed its revenues over a specified period, leading to borrowing or debt accumulation.

Investment

The allocation of resources, such as capital, time, or assets, to a project or asset with the expectation of generating future profits.

Households' Decision

The choices made by households regarding consumption, savings, and labor supply based on income, preferences, and economic conditions.