合成麻醉药品包括（） ["哌替啶","芬太尼","二氢埃托啡","盐酸乙基吗啡（狄奥宁）","吗啡"]
脊髓前角受压可出现（）。 ["肌张力增高","肌萎缩","腱反射亢进","病理征阳性","痉挛性瘫痪"]
全口义齿排牙时，后牙于堤平面接触的牙尖是（） ["A","B","C","D","E"]
结膜瓣遮盖术的适应证不包括（） ["药物治疗无效，濒临角膜穿孔或已穿孔者","角膜溃疡或角膜瘘管形成","角膜穿孔伤的伤口极不规则","化学烧伤及热烧伤引起大面积结膜坏死及溶解时","大泡性角膜病变视力恢复可能性小"]
肾盂积液声像图具有下列特征即（） ["A.肾盂回声扩张，见1cm以上液性暗区","B.肾盂回声无扩张，肾实质内见1cm以上液性暗区","C.肾盂回声无扩张","D.肾外形增大","E.肾外形增大，肾实质内见1cm以上液性暗区"]
连铸坯中心疏松对钢质量的影响？
