组织缺氧或代谢性酸中毒时出现高钾症,血钾浓度高于()。
A.3.5mmol/L
B.4.0mmol/L
C.4.5mmo/L
D.5.0mmol/L
E.5.5mmol/L
参考答案:E
He has to do his homework now, _______? [ ]
A. has he
B. hasn't him
C. does he
D. doesn't he
患者,女性,35岁,视力下降,复视,双下肢无力2年,MRI示脑部和脊髓白质部分均有多处脱髓鞘病变,视觉诱发电位和体感诱发电位均异常,CSF寡克隆带(+),正确的诊断是()
A.视神经脊髓炎
B.多发性硬化
C.多发腔隙性脑梗死
D.吉兰-巴雷综合征
E.运动神经元病