如果在处理定量资料时用多次t检验取代方差分析和两两比较,这样做将导致() ["计算量增大","假阳性错误率增大","结果无变化","假阳性错误率减小","假阴性错误率增大"]
阑尾周围脓肿非手术治疗治愈,择期行阑尾切除的时间是治愈后(). ["一周","2周","1个月","2个月","3个月"]
患儿,出生12天。气息徽弱,哭声低怯,肌肤板硬而肿。范围波及全身,皮肤暗红,若用复温法治疗,应先置于() ["A.28℃暖笨","B.30℃暖箱","C.24℃~26℃室温","D.26℃~28℃室温","E.30℃室温"]
神经性疼痛,以什么部位最为常见?() ["头颈部","腰背部","胸部","四肢","上腹部"]
右下肢被机动车轧伤,具备下列哪项可以诊断为骨折()。 ["局部高度肿胀","压痛明显","下肢不能自主活动","骨摩擦音","明显跛行"]
阅读心电图的方法有哪些?