Which of the Following Is Used to Help Protect the Lungs

question 22

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 are correct.

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Definitions:

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