שאלה משלב א׳ בכירורגיה של בית החזה · מועד 2022 (Sep), שאלה 143

Correct: C — with pH-stat management cerebral blood flow is higher and becomes uncoupled from cerebral oxygen demand, which is both its proposed advantage in infants and its hazard, since luxuriant flow delivers more emboli. It has not been proven superior for neurological protection in adults undergoing deep hypothermic arrest (option A), it *requires* added CO2 during cooling (option B), and it is alpha-stat, not pH-stat, in which the measured pH rises on cooling (option D).

מקור: P315