53 由肺動脈導管抽血可測得混合靜脈血，若其氧分壓（PvO2）是 35mmHg，則為：
(A)adequate tissue perfusion
(B)low cardiac output
(C)hypoxemia
(D)chronic acidosis

答案：登入後查看
統計： A(22), B(13), C(33), D(5), E(0) #2277715