[单选题]

上肢使用止血带的压力应控制在()

A .13.3~20.0kPa(100~150mmHg)

B .20.0~26.7kPa(150~200mmHg)

C .26.7~33.4kPa(200~250mmHg)

D .33.3~40.0kPa(250~300mmHg)

E .40.0~46.7kPa(300~350mmHg)

参考答案与解析: