To help a person who is severely dehydrated fluids can be administered intraveno

Question

To   help   a   person   who   is   severely   dehydrated   fluids   can   be   administered

intravenously.   To   do   this   a flexible   plastic   bag   of   fluid   is   connected   via   a  

tube   to   a   needle.   The   container   is   then   raised   above   the   needle   and   the  

needle   is   inserted   into   a   vein.   If   the   pressure   of   blood   in   the   vein   is  

1400 N/m^2 above   atmospheric   pressure,   how   high   should   the   bag   be  

raised   so   that   the   fluid   will flow   through the   needle   into   the   vein?

Explain.

Explanation / Answer

we have, P = hpg

13900 = h x 1040 x 9.8

height = h = 1.364 meter

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