Physiology Respiratory System Pa 1 152be853 Pulmonary capillary pressure is: A 5 mm Hg B 10 mm Hg C 20 mm Hg D 32 mm Hg High-Yield Explanation The average pulmonary capillary pressure is 10 mm Hg. Pulmonary capillary wedge pressure (which reflects LA pressure) is 5 mm Hg.