题目内容：
凝血酶原时间(PT)，超过正常对照多少为异常 （ ）
A．>正常对照8s
B．>正常对照3s
C．>正常对照5s ()
D．正常对照2s
E．>正常对照10s
参考答案：【答案仅供学习，请勿对照自行用药等】
选择题：凝血酶原时间(PT),超过正常对照多少为异常 ( )
- 题目分类：习题答案
- 题目类型：选择题
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