对原发性肝癌的诊断最有价值的肝脏体征是:
A.肝区触痛
B.肝脏质地坚硬
C.肝脏边缘钝
D.进行性肝肿大
E.肝颈回流征阳性
参考答案:D
I offered the ______ suggestion of spending the holiday in the mountains or by the sea.
A.reasonable
B.practical
C.alternative
D.sensible
下列哪项实验室结果与肾前性少尿不符合()。
A.血尿素氮/肌酐>10:1
B.尿肌酐/血肌酐>40
C.尿比重<1.010
D.尿Na+<20mmol/L
E.尿液渗透浓度>500mmol/L