【名词&注释】
多形性(pleomorphic)、未结合胆红素(unconjugated bilirubin)、磷酸铵镁(magnesium ammonium phosphate)、胱氨酸、血清总胆红素(serum total bilirubin)、肾小球血尿、胆红素结晶、胆红素增高、性肝炎(induced hepatitis)、尿胆红素(urine bilirubin)
[单选题]非肾小球血尿的多形性红细胞不应超过()
A. A.30%
B. B.40%
C. C.50%
D. D.60%
E. E.70%