单项选择题

目前卫生部要求医院和血站系统对HBsAg的检验限均应达到()

A．1ng/ml
B．2ng/ml
C．5ng/ml
D．0.1ng/ml
E．0.5ng/ml

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单项选择题

A．TN/(TN+FN)×100%
B．TP/(TP+FN)×100%
C．(TP+FN)/(TP+FP+TN+FN)×100%
D．TN/(TN+FP)×100%
E．TP/(TP+FP)×100%

单项选择题

A．TN/(TN+FN)×100%
B．TP/(TP+FN)×100%
C．TN/(TN+FP)×100%
D．TP/(TP+FP)×100%
E．(TP+FN)/(TP+FP+TN+FN)×100%

单项选择题

A．TP/(TP+FN)×100%
B．TN/(TN+FP)×100%
C．(TP+FN)/(TP+FP+TN+FN)×100%
D．TP/(TP+FP)×100%
E．TN/(TN+FN)×100%