A decrease in blood-colloid osmotic pressure will decrease ultrafiltration and increase reabsorption at the capillary level.

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A decrease in blood-colloid osmotic pressure would lead to decrease in reabsorption and increase in ultrafiltration at the capillary level. This is because blood-colloid osmotic pressure is generated by the presence of large molecules such as proteins in the blood, which tend to draw water into the blood vessels and oppose the movement of fluids out of the capillaries. When blood-colloid osmotic pressure is reduced, this opposing force is also reduced, allowing more of the fluid to be filtered out of the capillaries and less to be reabsorbed.

A Decrease in Blood-Colloid Osmotic Pressure Will Decrease Ultrafiltration and Increase