Which of the following can impair or inhibit ciliary activity?
1) Drying of the respiratory tract mucosa
2) Exposure to smoke
3) Parasympatholytic drugs
A)1 and 2 only
B)1 only
C)1, 2, and 3
D)2 and 3 only

Question

Quizplus · Accepted Answer

1) Drying of the respiratory tract mucosa can impair ciliary function by reducing the effectiveness of the mucociliary escalator, a critical defense mechanism of the respiratory system. 2) Exposure to smoke can damage cilia and impair their ability to move mucus out of the respiratory tract. 3) Parasympatholytic drugs (anticholinergics) can inhibit the action of the neurotransmitter acetylcholine, leading to reduced ciliary movement.

Which of the Following Can Impair or Inhibit Ciliary Activity