皮皮学，免费搜题
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【单选题】
下列症状中哪项是低钾血症的早期主要表现（ ）
A.
心电图改变
B.
腹胀、呕吐、肠鸣音减弱或消失
C.
神志淡漠或嗜睡，往往勉强叫醒后随即入睡
D.
血钾在3.5mmol/L以下
E.
肌肉软弱、乏力
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A.
To get
B.
Get
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announcement
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