单项选择题
A.肾皮质 B.肾小球 C.肾毛细血管 D.肾盂 E.肾小管
A.150mmHg B.130mmHg C.110mmHg D.100mmHg E.80mmHg
A.50ml/min B.75ml/min C.120ml/min D.180ml/min E.240ml/min
A.2% B.5% C.10% D.15% E.20%
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