患者女,40岁,CT平扫示右肾近髓质部类圆形较高密度影,直径约2.0cm,边缘清楚锐利,CT值50HU,增强扫描该病变无强化。泌尿系统肿瘤最主要的临床特点是() ["A.无痛性全程血尿","尿频和尿痛","排尿困难","腹部肿块","尿失禁","尿痛"]
在神经-肌肉接头兴奋传递过程中,下述哪种离子对乙酰胆碱的释放最关键()。 ["Na+","K+","Cl-","Ca2+","Mg2+"]
关于母乳的特点错误的一项是() ["母乳中蛋白质以酪蛋白为主","母乳中钙、磷比例适当","母乳的蛋白质含量比牛乳低","母乳中必需不饱和脂肪酸比牛乳多","母乳有预防感染的作用"]
通过抑制TH1细胞产生细胞因子,下调细胞免疫功能的细胞因子是() ["IL-1","IL-10","IL-8","IL-12","IL-6"]
肢体在床面上能水平移动,但不能抬离床面提示肌力为() ["A.1级","B.2级","C.3级","D.4级","E.5级"]
Fanconi综合征