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[问答题] 什么情况下拉伸试验结果无效?

患者,女,57岁,子宫肌瘤切除术后,取半坐卧位,留置尿管。患者意识清楚,伤口疼痛,活动受限。采用二人操作时,下列哪项是错误的() ["放平床头支架","枕头横立于床尾","患者仰卧屈膝","两位护士分别站在床的两侧,同时抬起患者移向床头","两位护士分别站在床的同侧,同时抬起患者移向床头"] 患者眩晕,头重昏蒙,胸脘痞闷,呕恶痰涎,舌苔白腻,脉弦滑。其治疗方剂为() ["温胆汤","苓桂术甘汤","顺气导痰汤","半夏白术天麻汤","二陈汤"] 血清ACP活性升高() ["急性心肌梗死","肝硬化","原发性肝癌","急性胰腺炎","前列腺癌"] 治疗Wernicke脑病用用的药物是什么?() ["维生素A","维生素CC",".维生素B2<\/sub>","维生素B12<\/sub>","维生素B1<\/sub>"] 牙体外层覆盖、发挥咀嚼功能的主要部分为() ["牙冠","牙根","牙颈","牙周膜","牙槽骨"] 什么情况下拉伸试验结果无效?
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