47.一位肺癌患者,Hb=10 g/dL、SaO2=98%、PaO2=100 mm Hg、SvO2=75%、PvO2=40 mm Hg,其氧氣提取率 (oxygen-extraction ratio)為多少?
(A)20%
(B)30%
(C)25%
(D)35%
答案:登入後查看
統計: A(41), B(66), C(251), D(30), E(0) #2971851
統計: A(41), B(66), C(251), D(30), E(0) #2971851