23.無效腔與潮氣容積比(dead space/tidal volume ratio),如高於多少就不易成功脫離呼吸器?
(A)0.6
(B)0.5
(C)0.4
(D)0.3

答案:登入後查看
統計: A(73), B(8), C(11), D(2), E(0) #1057698