Question

what is the function of the ciliated epithelium of the bronchiobronchial tree? multiple choice to cause coughing a mucus - cilia escalator move dirt toward the alveoli all of the choices are correct.

Explanation:

The ciliated epithelium in the tracheobronchial tree forms a mucus - cilia escalator. It moves mucus and trapped particles (like dirt) away from the alveoli, not towards them. Coughing can be a secondary response related to irritation but not the main function of ciliated epithelium. The mucus - cilia escalator is the primary function mechanism.

Answer:

B. A mucus - cilia escalator