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Question

Between breaths the intrapleural pressure is approximately.....................mm of Hg.

A
1
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B
-4
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C
-8
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D
10
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Solution

The correct option is A -4
Intrapleural pressure is the pressure within the pleural space. It is also called as intrathoracic pressure. Between breaths the intrapleural pressure is approximately -4 mm of Hg throughout the breathing cycle.
Thus, the correct answer is option B.

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