按成桩方法分，以下属于非挤土桩的是（） ["开口钢管桩","预钻孔打入式灌注桩","人工挖孔桩","冲击成孔灌注桩"]
提出病因假设的目的是为了（） ["肯定病因","代替病因","否定病因","验证病因","探索病因的关联强度"]
X线摄影中表示X线量的是（） ["半值层","靶物质","kV","mAs","电压波形"]
提示败血症较特殊的表现是（） ["精神欠佳","体温不稳定","哭声减弱","黄疸退后复现","食欲欠佳"]
护患沟通的首要原则是（） ["治疗性","保密性","规范性","尊重性","艺术性"]
心悸的概念
