NEET Zoology Respiratory Organs MCQ Question
If the intra-pulmonary pressure decreases to 2 mm Hg below the atmospheric pressure during inspiration, and the atmospheric pressure is 760 mm Hg, what is the resulting intra-pulmonary pressure?
758 mm Hg
762 mm Hg
760 mm Hg
764 mm Hg
Correct Answer
Detailed Explanation
During inspiration, the intra-pulmonary pressure decreases to less than the atmospheric pressure, which is given as 760 mm Hg. A decrease of 2 mm Hg results in an intra-pulmonary pressure of 758 mm Hg.
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