A Tour de France rider has the following values underresting conditions:Oxygen consumption = 250 ml O2/minHemoglobin concentration = 15 gm Hg/dlArterial partial pressure of oxygen (Po2) = 100mm...

A Tour de France rider has the following values underresting conditions:Oxygen consumption = 250 ml O2/minHemoglobin concentration = 15 gm Hg/dlArterial partial pressure of oxygen (Po2) = 100mm HgMixed venous saturation = 75 percentWhen exercising, he has the following values:Oxygen consumption = 3000 ml O2/minHemoglobin concentration = 15 gm Hg/dlArterial Po2 = 100 mm HgMixed venous saturation = 25 percentWhat is the absolute increase in cardiac output withexercise?