Textbook Question
What is the significance of
(a) Boyle's law, to the process of respiration?
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22. The Respiratory System
Pressure in the Lungs and Pleural Cavity
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The transpulmonary pressure is the difference between the __________ and the __________ pressure.
A
atmospheric; intrapulmonary
B
intrapleural; alveolar
C
atmospheric; intrapleural
D
intrapulmonary; intrapleural
Verified step by step guidance1
Understand the concept of transpulmonary pressure: It is the pressure difference that keeps the lungs inflated and is crucial for breathing.
Identify the pressures involved: Transpulmonary pressure is the difference between the pressure inside the lungs (intrapulmonary) and the pressure in the pleural cavity (intrapleural).
Recognize the role of intrapulmonary pressure: This is the pressure within the alveoli of the lungs, which changes during breathing.
Recognize the role of intrapleural pressure: This is the pressure within the pleural cavity, which is usually negative relative to atmospheric pressure to keep the lungs expanded.
Conclude that the transpulmonary pressure is calculated as the difference between intrapulmonary pressure and intrapleural pressure, ensuring the lungs remain inflated.
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