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【单选题】
小苏打,学名又叫 ( ) ,俗称食粉。A.
、碳酸钠
B.
、碳酸氢铵
C.
、臭起子
D.
、碳酸氢钠
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【单选题】室间隔缺损的患儿有时出现声音嘶哑,最常见的原因为
A.
左心室增大，压迫喉返神经
B.
肺动脉扩张，压迫喉返神经
C.
左、右心室增大，压迫喉返神经
D.
右心室增大，压迫喉返神经
E.
左心房增大，压迫喉返神经
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【单选题】室间隔缺损的患儿有时出现声音嘶哑,最常见的原因为
A.
左心室增大,压迫喉返神经
B.
肺动脉扩张,压迫喉返神经
C.
右心室增大,压迫喉返神经
D.
左、右心室增大,压迫喉返神经
E.
左心房增大,压迫喉返神经
【单选题】室间隔缺损的患儿有时出现声音嘶哑，最常见的原因为
A.
左心室增大，压迫喉返神经
B.
肺动脉扩张，压迫喉返神经
C.
左、右心室增大，压迫喉返神经
D.
右心室增大，压迫喉返神经
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