Which of the following are functions of the upper airway?
I. Conduction of gas to lower airway
II. Prevent foreign materials from entering lower airway
III. Warm, filter, and humidify inspired gas
IV. Aid in speech and smell

Question

Quizplus · Accepted Answer

The upper airway performs all of these functions: it conducts gas to the lower airway, prevents foreign materials from entering the lower airway, warms, filters, and humidifies inspired gas, and aids in speech and smell.

Which of the Following Are Functions of the Upper Airway