Multiple Choice
What is the best method to assess a client for dyspnea?
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22. The Respiratory System
Introduction to Lung Physiology
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Which of the following best describes the respiratory cycle?
A
The process of inhaling oxygen and exhaling carbon dioxide.
B
The movement of air through the trachea and bronchi.
C
The regulation of breathing rate by the medulla oblongata.
D
The exchange of gases between the blood and tissues.
Verified step by step guidance1
Identify the key components of the respiratory cycle, which involves the process of inhalation and exhalation.
Understand that inhalation involves taking in oxygen from the environment into the lungs, while exhalation involves expelling carbon dioxide from the lungs to the environment.
Recognize that the respiratory cycle is primarily concerned with the exchange of gases, specifically oxygen and carbon dioxide, between the lungs and the external environment.
Consider the role of the trachea and bronchi as pathways for air movement during the respiratory cycle, but note that they are not the complete description of the cycle.
Acknowledge the role of the medulla oblongata in regulating the breathing rate, but understand that it is a part of the control mechanism rather than the cycle itself.
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