A.10%~20% B.24%~28% C.30%~40% D.45%~50% E.40%~60%
A.使PaCO2降至完全正常 B.使PaCO2降至55mmHg~60mmHg C.使PaCO2降至70mmHg D.使PaCO2維持現(xiàn)狀 E.使PaCO2降至30mmHg以下
A.7 B.10 C.15 D.20 E.25