<prompt> A 32-year-old patient has a pulmonary vascular resistance of 4 mm HgL per minute and a cardiac output of 5 Lmin. What is her driving pressure for moving blood through the pulmonary circula on?10 mm Hg15 mm Hg20 mm Hg30 mm Hg  <response>: 20 mm Hg DP R xQ . 4 mm HgLmin x 5 Lmin 20 mm Hg. 