Which of the Following Is Used to Help Protect the Lungs

question 32

Multiple Choice

Which of the following is used to help protect the lungs from infection?

• A)Turbulent airflow deposits airborne pathogens on sticky mucosal surfaces.
• B)The mucociliary escalator moves trapped organisms away from the lungs by ciliary action.
• C)Coughing and sneezing forcefully expel organisms away from the lungs.
• D)all of the choices

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Definitions:

Fixed Cost

Business expenses that remain constant regardless of the volume of goods or services produced, such as rent, salaries, and insurance premiums.

Switch Break-Even Point

This term refers to the point at which the cost savings or revenue from changing a system or product equals the costs associated with the change.

Variable Cost

Charges that fluctuate according to the volume of production.

Monthly Interest Rate

The interest rate for a period of one month, often used to calculate the interest on loans and financial products on a monthly basis.