Question

which statement describes the trachea?
multiple choice
it is lined with simple squamous epithelium
it is a passageway for food and for air.
it contains no air - filtering mechanisms.
it is comprised of c - shaped cartilage rings

Explanation:

• The trachea is lined with ciliated pseudostratified columnar epithelium, not simple squamous epithelium.
• The pharynx is a passageway for food and air, not the trachea.
• The trachea has mucus - producing goblet cells and cilia which act as air - filtering mechanisms.
• The trachea is made up of C - shaped cartilage rings. These rings provide structural support to keep the trachea open during breathing.

Answer:

It is comprised of C - shaped cartilage rings.