What Is the Function of the Cilia in the Nose

question 45

Multiple Choice

What is the function of the cilia in the nose?

• A) They move mucus and trapped particles down toward the pharynx.
• B) They lubricate the lining of the respiratory tract.
• C) They cause the inhaled air to become turbulent.
• D) They facilitate the movement of mucus along the respiratory tract.
• E) They help increase the total surface area for gaseous exchange.

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Definitions:

Reticular Formation

A network of neurons in the brainstem involved in consciousness and alertness.

Clock Radio

An electronic device that combines the features of a clock with a radio, often used as an alarm.

Substantia Nigra

Black nuclear mass in the midbrain; involved in coordinating movement and maintaining muscle tone.

Basal Nuclei

A group of nuclei in the brain involved in the control of voluntary motor movements, procedural learning, and emotions.