Explain Why Smokers Cough to Remove Foreign Particles from Their

question 52

Multiple Choice

Explain why smokers cough to remove foreign particles from their airways.

• A) Deposits of carbon in the epiglottis obstruct expectoration of trapped particles.
• B) The cilia are paralyzed by nicotine and are unable to help in the expulsion of trapped particles.
• C) The air turbulence created by the act of coughing prevents cilia from trapping the foreign particles.
• D) An increase in the periciliary fluid by nicotine causes mucus to thicken.
• E) The presence of nicotine causes cilia to entangle and inhibits their ability to trap foreign particles.

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