Question

Assume that the total resistance, Pa and Pe are 100mmHg and 20mmHg, respectively. Calculate the relative...

Assume that the total resistance, Pa and Pe are 100mmHg and 20mmHg, respectively. Calculate the relative resistance of arterioles (Re/Ra) for a glomerular pressure of 80mmHg.
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Answer #1

Given,

Pa = 100mmHg

Pe = 20 mmHg

Glomerular pressure = 80 mmHg

Ra resistance between Pa and  glomerular pressure can be given by

is change in pressure between  Pa and  glomerular pressure

Q is flow rate

100 - 80 = Q x Ra

20 = Q x Ra ..............(1)

Re resistance between Pe and  glomerular pressure can be given by

is change in pressure between  Pe and  glomerular pressure

Q is flow rate

100 - 20 = Q x Re

80 = Q x Re ................(2)

Dividing equation (2) by (1) gives

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