The pulmonary defense mechanism that propels a mucous blanket entrapping particles moving towards the oropharynx are the:
A)nasal turbinates.
B)alveolar macrophages.
C)cilia.
D)irritant receptors on the nares.

Question

Quizplus · Accepted Answer

The submucosal glands of the bronchial lining also produce mucus, contributing to the mucous blanket that covers the bronchial epithelium. The ciliated epithelial cells rhythmically beat this mucous blanket toward the trachea and pharynx, where it can be swallowed or expectorated by coughing.

The Pulmonary Defense Mechanism That Propels a Mucous Blanket Entrapping