The inhalation of cigarette smoke and similar pollutants has a gradual effect on cilia lining the respiratory tract,first causing the beating to slow and eventually stop.How does this change in cilia most directly impact the resistance mechanisms of the host?

Question

Quizplus · Accepted Answer

The slowing and eventual cessation of ciliary function would result in a loss of the mechanical barrier protection provided by the cilia, which helps to remove potentially harmful particles and microorganisms from the respiratory tract. This would weaken the host's innate immune defenses and make them more susceptible to respiratory infections and other diseases. The loss of acquired immunity or antibody response is not directly related to changes in cilia function.

The Inhalation of Cigarette Smoke and Similar Pollutants Has a Gradual