Multiple Choice
Which of the following occurs during inhalation?
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22. The Respiratory System
Introduction to Lung Physiology
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Which of the following is not a function of the conducting zone in the respiratory system?
A
Gas exchange
B
Humidifying the air
C
Warming the air
D
Filtering particles from the air
Verified step by step guidance1
Understand the role of the conducting zone in the respiratory system. The conducting zone includes structures such as the trachea, bronchi, and bronchioles, which primarily serve to transport air to the lungs.
Identify the primary functions of the conducting zone. These functions include humidifying the air, warming the air, and filtering particles from the air, all of which prepare the air before it reaches the respiratory zone.
Recognize the function of gas exchange. Gas exchange occurs in the respiratory zone, specifically in the alveoli, where oxygen is absorbed into the blood and carbon dioxide is expelled.
Compare the functions listed in the problem with the known functions of the conducting zone. Gas exchange is not a function of the conducting zone; it is a function of the respiratory zone.
Conclude that the function not associated with the conducting zone is gas exchange, as it occurs in the respiratory zone, not the conducting zone.
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