患者女性,40岁。3年前有黄疸肝炎史,HBsAg(+),HBeAg(+),经治疗后好转,近来乏力纳差,体检:巩膜黄染,轻度肝掌,慢性肝病面容,肝肋下2cm,脾肋下刚及,ALT150U,类风湿因子(+),抗核抗体1:100(+)。该病肝细胞破坏的机制是()
A. CD8+细胞通过识别肝细胞膜上表达的HBcAg和HLA-I导致细胞溶解
B. CD4+细胞通过识别肝细胞膜上表达的HBcAg和HLA-I导致细胞溶解
CD8+细胞通过识别肝细胞膜上表达的HBcAg和HLA-Ⅱ导致细胞溶解
D. CD8+细胞通过识别B细胞膜上表达的HBcAg和HLA-Ⅱ导致肝细胞溶解
E. CD4+细胞通过识别B细胞膜上表达的HBcAg和HLA-Ⅱ导致肝细胞溶解
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眼窝凹陷的临床意义是()。
A. 肺胀
B. 吐泻伤津
C. 肝胆火炽
D. 脾胃虚弱
E. 肾阴不足
An enterprise h as plans to start adding IPv6 support. For the first year, the IPv6 will be in small pockets spread around the existing large IPv4 network, with occasional IPv6 traffic while applications teams test IPv6 - enabled servers and applications. Which of the fol lowing tools would be most appropriate?()
A. Native IPv6
B. Point - to -point tunnels
C. Multipoint tunnels
D. NAT - PT
北魏一朝自孝文帝以后,皇帝逝世后的谥号多采用“孝”字,如“孝武帝”和“孝明帝”。这与孝文帝改革的哪一项内容有关()
A. 迁都洛阳
B. 改用汉姓,学习汉语
C. 该穿汉服,与汉人通婚
D. 学习汉族礼法,以孝治国