单选题:慢性肺心病患者人工通气过程中测血气:对此患者正确的治疗应是

题目内容:
慢性肺心病患者人工通气过程中测血气:对此患者正确的治疗应是 A.不需处理
B.加大吸气压力
C.补充碱性药物
D.补充酸性药物
E.减少潮气量
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