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At the end of normal inspiration, which of these pressures is the most negative? 1. alveolar 2. barometric 3. partial 4. pleural

At the end of normal inspiration, which of these pressures is the most negative?
1. alveolar
2. barometric
3. partial
4. pleural

Grade:12

2 Answers

Arun
25750 Points
5 years ago
At the end of normal inspiration, pleural pressure is the most negative, typically -7 cm H2O.
hence option D is correct.
Apurva Sharma
220 Points
5 years ago
The correct answer is D. The pleural pressute is most negative i.e about -7 cm H2O.
At the end of inspiration(when flow stops temporarily) the alveolar preasure is equal to the barometric pressure =0 (same as the atmospheric pressure)
 
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