NEET Zoology Respiratory Organs MCQ Question
If the atmospheric pressure is 760 mm Hg, and during inspiration, the intra-pulmonary pressure drops by 2 mm Hg, what is the intra-pulmonary pressure during inspiration?
758 mm Hg
760 mm Hg
762 mm Hg
756 mm Hg
Correct Answer
Detailed Explanation
During inspiration, the increase in pulmonary volume decreases the intra-pulmonary pressure to less than the atmospheric pressure. If it drops by 2 mm Hg, the intra-pulmonary pressure is 758 mm Hg.
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