When does glomerular filtration occur in Bowman's capsule?
(A)When hydrostatic pressure of blood in the glomerulus is 70 mm Hg and net filtrate pressure is -25 mm Hg
(B)When hydrostatic pressure of blood in the glomerulus is 70 mm Hg and net filtrate pressure is -35 mm Hg
(C)When hydrostatic pressure of blood in the glomerulus is 70 mm Hg and net filtrate pressure is 10 mm HgCorrect
(D)When hydrostatic pressure of blood in the glomerulus is 70 mm Hg and net filtrate pressure is -70 mm Hg
Answer: (C)
Solution
Filtration can occur only when the net filtration pressure is positive, i.e. the outward hydrostatic force exceeds the inward opposing colloidal osmotic and capsular
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