COPD病人机械通气时，合理的通气参数调节是() ["A．CPAP","B．增加呼吸频率","C．进行限压通气","D．进行负压通气","E．I:E比值达1:2.5"]
骨盆腔
呼吸功能不全病人开胸术后如需镇痛治疗宜选用() ["A．肌注吗啡","B．静点吗啡","C．硬膜外低浓度局麻药","D．硬膜外低浓度局麻药+吗啡","E．肌注哌替啶"]
泌尿生殖膈
急性呼吸性酸中毒的治疗原则，下述哪项正确() ["A．静注5%NaHC0，纠正pH至正常范围","B．增加吸入氧浓度，改善低氧血症","C．使用麻黄碱，纠正低血压","D．通畅气道，缓慢增加肺通气量","E．静注西地兰"]
骨盆轴
