Evaluate the pulmonary pressures provided, and determine what portion of the respiratory cycle is represented. Transpulmonary pressure = 6 mmHg Intrapleural pressure = 667 mmHg Atmospheric pressure = 670 mmHg Intrapulmonary pressure = 673 mmHg
A. Thoracic volume increase with lung collapse
B. Normal expiration
C. Normal inspiration
D. Lung volume is unchanged
Answer: B
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