用平车搬运腰椎骨折患者,下列措施哪项不妥
A.车上垫木板
B.先做好骨折部位的固定
C.宜用四人搬运法
D.下坡时头在后
E.让家属推车,护士在旁密切观察
参考答案:E
I don’t know _________.
A.what is the matter with him
B.what the matter is with him
C.what with him the matter is
D.what the matter with him is
定位圆柱销和圆柱销孔的接触面积可用涂色法检验配合程度,要求着色接触面积()。
A.50%以上
B.60%以上
C.70%以上
D.80%以上