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【单选题】
男,40岁。急性肠梗阻2天,呕吐频繁、乏力、尿少、口唇干燥、眼窝下陷、皮肤弹性差,脉搏116次/分。化验:Hb163g/L,血细胞比容0.55,血清钠140mmol/L,血清钾4 mmol/L。A.
低渗性脱水
B.
高渗性脱水
C.
等渗性脱水
D.
水中毒
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