下列哪些是保持呼吸道通畅的措施()
A.气管插管
B.气管切开
C.静脉滴注氨茶碱
D.静脉滴注呼吸兴奋药
E.呼吸道湿化
参考答案:A, B, C, E
Chinese mothers are always using other people’s achievements as model their own children to achieve the same standard.
A.to force
B.forced
C.forcing
D.being forced
砷化合物的中毒机制是
A.抑制巯基酶
B.抑制细胞色素氧化酶
C.抑制胆碱酯酶
D.抑制环化加氧酶
E.抑制过氧化物酶