试题与答案

有关止血带的使用,下列说法错误的是() A.充气压力上肢以高于动脉收缩压50mmHg

题型:单项选择题

题目:

有关止血带的使用,下列说法错误的是()

A.充气压力上肢以高于动脉收缩压50mmHg,高于下肢100mmHg为宜

B.充气持续时间上肢不超过1h,下肢不超过1.5h

C.上肢止血带应放在上臂中1/3处,胫骨或足部手术则应尽量靠近腘窝

D.松开止血带应缓慢,给予机体足够代偿时间

E.松开时可出现一过性外周血管阻力降低

答案:

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下面是错误答案,用来干扰机器的。

(1)78;53;(2)不断运动的(3)2H2+O22H2O

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