Q: Which pressure is responsible for facilitating filtration during urine formation?

A Filtrate hydrostatic pressure
B Osmotic blood pressure
C Capillary hydrostatic pressure
D All of the above

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Answer: A

Explanation:

Filtrate hydrostatic pressure is the pressure exerted by the fluid within Bowman's capsule on the glomerular capillaries. This pressure facilitates the filtration of blood as it passes through the glomerular capillaries and into the renal tubules. Osmotic blood pressure refers to the pressure created by the presence of solutes in the blood, while capillary hydrostatic pressure is the pressure exerted by the blood on the walls of the capillaries. Although osmotic blood pressure and capillary hydrostatic pressure also play a role in the formation of urine, they do not directly facilitate filtration like filtrate hydrostatic pressure.

Q: Which pressure is responsible for facilitating filtration during urine formation?

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