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患儿,女,2岁,体检发现胸骨左缘第2~3肋间Ⅱ~Ⅲ级收缩期杂音,肺动脉瓣区第二音亢进,伴固定性分裂。该患儿的诊断是() ["A.动脉导管未闭","B.房间隔缺损","C.室间隔缺损","D.法洛四联症","E.肺动脉瓣狭窄"]
下列溶剂不与水混溶的是() ["甲醇","乙醇","丙酮","n-丁醇","乙酸乙酯"]
室间隔缺损和动脉导管未闭患儿,喉返神经受压迫出现声音嘶哑,最可能的原因是() ["A.右心房增大","B.肺动脉显著扩张","C.左、右心室扩大","D.左心室增大","E.右心室增大"]
应急预案的编制包括()和()两项。 ["编制准备,编制程序","编制标准,编制程序","编制内容,编制程序","编制标准,编制内容"]
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