What would you expect to happen to the lungs if intrapleural pressure were the same as...

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Medical Sciences

What would you expect to happen to the lungs if intrapleuralpressure were the same as atmospheric pressure?

a) The lungs would collapse.

b) The lungs would expand.

c) The lungs would maintain their normal volume.

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4.2 Ratings (504 Votes)
a The lungs would collapse Explanation At start of inspiration Intraalveolar pressure is 25 mmHg Inrapleural presssure becomes more negative during inspiration and at the end of inspiration it becomes 6 mmHg ie more negative During expiration it returns back to 25 mmHg when itrapleural    See Answer
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