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.

Question

Quizplus · Accepted Answer

Nicotine from smoking can paralyze the cilia in the airways, which are responsible for trapping foreign particles and moving them out of the airways. Without the assistance of cilia, coughing becomes necessary to remove these trapped particles.

Explain Why Smokers Cough to Remove Foreign Particles from Their