单项选择题
A.3.8mmol/L B.4.0mmol/L C.5.0mmol/L D.2.0mmol/L E.2.8mmol/L
A.5%~7% B.5%~10% C.10%~15% D.1%~7% E.5%~15%
A.高血钾 B.低血钾 C.高血钙 D.高血钠 E.低血钠