常见的内疝是() ["会阴疝","腹壁疝","脐疝","腹股沟阴囊疝","膈疝"]
与全冠固位体相比,嵌体做固定桥固位体的最主要缺点是()。 ["磨除牙体组织多","影响美观","固位力差","外形线较长,易龋坏","基牙牙尖易折裂"]
下列腧穴中不属于八会穴的是()。 ["章门","中脘","膻中","阳陵泉","阴陵泉"]
在胎儿体内合成最早的Ig是(). ["IgG","IgM","SIgA","IgE","IgD"]
硫戊巴比妥钠可对小动物行静脉麻醉,常用浓度是() ["1%","2%","3%","4%","5%"]
患者,男,15岁。“上呼吸道感染”后2周出现肉眼血尿伴水肿,血压升高,最可能的原因为()。患者,男,35岁。突发右侧腰部疼痛半天。尿常规红细胞满视野,相差显微镜红细胞为正常形态。最可能的原因为()。