mediocre
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In Kaplan physiology the prof says
Lung Recoil(LR) = IPP(INtra plrl pr.)---------->static lung
IPP >LR---------->expands
IPP< LR------------->collapses
He also says that
at the Lung apex----decrs IPP(-10)----->expanded alveolus/stiffer
at base---------------incrs IPP(-2.5) ------->smaller alveolus/compliant
so at one place High Ipp collapses at the other place it expands
Can any one make sense out of all this,thanx
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| mediocre
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Let me try ,
the way out ,is to think of IPP as a Sucking force ,trying to suck in air to expand lungs(negative force)
mathematically, -10 < -2 ,so -10 is a lower IPP but a larger suking
force or in comparing force we can just consider magnitude witout the sign(10)
IPP>LR----means ipp = -(10) ie large force--expands
at apex a decrs in ipp d/t less gravity is mathematical from -2 to -10
but it is still a large suking force so ---expansion
For the time being I will move along with this(as i get stuck with things dat dont make sense )Better xplainations are most welcome!!!
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"Do not worry if you have built your castles in the air. They are where they should be. Now put the foundations under them." - Henry David Thoreau
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| ssrpk
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buddy u're confusing the terminologies!
as mentioned by mediocre, more negative IPP exerts more force expanding the lungs....don't mix it up with the magnitude and signs!
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