The Pseudostratified Ciliated Columnar Epithelium of the Trachea _

question 19

Multiple Choice

The pseudostratified ciliated columnar epithelium of the trachea _ .

• A) lines the airway that is held open by C-shaped cartilaginous rings
• B) sweeps the mucus toward the throat, where it can be expelled or swallowed
• C) produces mucus to trap dust particles, bacteria, and other debris
• D) produces mucus to trap dust particles, bacteria, and other debris; sweeps the mucus toward the throat, where it can be expelled or swallowed; and lines the airway that is held open by C-shaped cartilaginous rings

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