霍奇金恶性淋巴瘤有哪几种组织类型?
何谓宫颈上皮非典型增生?如何分级?
急性腹泻()慢性腹泻()迁延性腹泻() ["A．病程2周～6月","B．病程2周～2月","C．病程＞6月","D．病程＞2","E．病程＜2周"]
硬膜外间隙置管连续阻滞治疗癌痛时，后果最严重的是() ["A．局部穿刺点疼痛","B．导管阻塞","C．硬膜外间隙感染","D．导管拔除时断裂","E．患者恐惧"]
血清钾2.9mmol/L()烦渴、高热、尿少、尿比重高()皮肤弹性差、尿少，血清钠125mmol/L() ["A．代谢性碱中毒","B．代谢性酸中毒","C．等渗性脱水","D．低渗性脱水","E．高渗性脱水"]
试述葡萄胎的病变特点。
