铸造金属全冠牙体预备应形成何种边缘形态(). ["0.5mm浅凹形肩台","0.2~0.3mm羽状边缘","1mm带斜面的肩台形","1.5mm直角肩台","0.5~0.8mm直角肩台"]
下列不支持溃疡性结肠炎的诊断的是() ["黏液脓血便","粪便镜检有红细胞、白细胞","结肠镜检查无器质性病变证据","结肠镜检查发现较多的炎性息肉","可并发结节性红斑"]
患儿3岁,系患肝糖原累积症。其治疗的目的主要在于() ["多次进食法,以维持正常血糖水平","在紧张、较强运动时增加葡萄糖","可试用高血糖素锌","宜用碳酸氢钠纠正酸中毒","避免感染"]
男性患者,58岁,冠心病心衰患者,服地高辛及氢氯噻嗪1周后症状加重。心电图示有多发性室性期前收缩二联律。下列处理错误的是() ["A.补钾","B.吸氧","C.西地兰","D.利多卡因","E.停氢氯噻嗪改用螺内酯(安体舒通)"]
下列病变不是液化性坏死的是() ["肾梗死","脑梗死","胰腺坏死","脂肪坏死","脓肿"]
房室传导阻滞检查