人体正常体温的恒定依赖气的
A.气化作用B.固摄作用C.防御作用D.温煦作用E.推动作用
参考答案:D
Remember that there is still one point ___ we must make clear at the conference tomorrow. [ ]
A. where
B. why
C. when
D. that
应用人工呼吸机患儿,哪项情况说明平均气道压过高()
A.自主呼吸无法打断
B.CO2仍有潴留
C.两肺通气不佳
D.血压下降,脉压差减少
E.氧分压下降