某病人血肌酐88.4μmol/L,尿肌酐浓度4420μmol/L,24h尿量为1584ml,其内生肌酐清除率CCr为

2023-07-15

A.25ml/min
B.50ml/min
C.55ml/min
D.75ml/min
E.155ml/min

参考答案:C

每分钟尿量=1584/(24×60)=1.1ml/min,CCr=UV/P=4420×1.1/88.4=55ml/min。