Blood pressure in the pulmonary circulation and capillaries is:
A)always high, to get sufficient oxygen into the blood
B)always high, to get carbon dioxide out of the alveoli
C)always low, to prevent rupture
D)always low, to prevent filtration and accumulation of fluid in the alveoli

Question

Quizplus · Accepted Answer

Blood pressure in the pulmonary circulation and capillaries is kept low to prevent filtration and accumulation of fluid in the alveoli, which would impair gas exchange. High pressure would push fluid into the alveolar space, leading to pulmonary edema.

Blood Pressure in the Pulmonary Circulation and Capillaries Is