人工呼吸的有效指征是
A.吹气时病人胸廓扩张上抬
B.肱动脉收缩压>8kPa
C.面色、口唇色泽转红
D.呼气时,可感受到气体排出
E.出现神经反射
参考答案:A,D
The general manager demanded the job will be completed before the Spring Festival holidays.
A.would be completed
B.must be completed
C.had to be completed
D.be completed
对诊断为高血压的病人,要求按医嘱坚持药物治疗和非药物治疗属于
A.初级预防B.二二级预防C.三级预防D.四级预防E.以上都不是