单项选择题
A.测定肾小球的滤过率 B.测定肾小管和集合管的重吸收能力 C.发现早期肾损害疾病 D.发现肾脏浓缩稀释功能 E.反映肾缺血性坏死
A.50mg/24h B.100mg/24h C.120mg/24h D.140mg/24h E.150mg/24h
A.pH4.5~5.5 B.pH5.5~6.5 C.pH6.0~6.5 D.pH6.5~7.5 E.pH7.5~8.5