[单选题]

受检者APTT的测定值较正常对照延长多少秒为异常

A.≥20s

B.≥10s

C.≥3s

D.≥30s

E.≥50s

参考答案与解析:

相关试题

受检者APTT的测定值较正常对照延长多少秒为异常A、≥20sB、≥10sC、≥3