The Main Force That Causes Filtration in a Nephron Is

Question

The main force that causes filtration in a nephron is
A) blood colloid osmotic pressure.
B) glomerular hydrostatic pressure.
C) osmotic pressure of the urine.
D) capsular hydrostatic pressure.
E) reabsorption in proximal convoluted tubule pulls filtrate from blood.

Accepted Answer

Glomerular hydrostatic pressure is the main force that causes filtration in a nephron. It is the pressure exerted by the blood in the glomerular capillaries on the porous walls of the glomerular capsule, which pushes water and solutes out of the blood and into the Bowman's capsule.