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During the initial part of inspiration, which of the following does not occur ?

/ Medical Mcqs, Physiology Mcqs, Respiratory System / By
During the initial part of inspiration, which of the following does not occur ?

A. Intrapulmonary pressure falls
B. Intra thoracic pressure rises
C. Intra-abdominal pressure rises
D. The partial pressure of O2 in dead space rises