2.使用人工呼吸机时呼吸频率及潮气量应分别调节为
A.8~9次/分,400~600ml
B.10~16次/分,600~800ml
C.17~18次/分,400~500ml
D.19~20次/分,200~300ml
E.21~22次/分,900~1000ml
A.8~9次/分,400~600ml
B.10~16次/分,600~800ml
C.17~18次/分,400~500ml
D.19~20次/分,200~300ml
E.21~22次/分,900~1000ml