In the kidneys, the glomerular filtration rate (GFR) remains nearly constant at 125 mL/min so long as the mean arterial blood pressure is maintained within the following range:(A) 40 to 120 mm Hg(B) 40 to 200 mm Hg(C) 80 to 180 mm Hg(D) 80 to 200 mm Hg(E) The mean arterial blood pressure must remain constant at 93 mm Hg Checking your answer...