Physiology The major pressures that determine filtration and absorption of fluid by capillaries are the: A Capillary hydrostatic pressure and plasma colloid osmotic pressure B Plasma colloid osmotic pressure and interstitial hydrostatic pressure C Interstitial hydrostatic pressure and tissue colloid osmotic pressure D Capillary hydrostatic pressure and tissue colloid osmotic pressure π‘ Explanation The major pressures that determine filtration and absorption of fluid by capillaries are the: β Correct Answer: A. Capillary hydrostatic pressure and plasma colloid osmotic pressure