单选题关于SIgA,正确的是()A 单体结构B 是黏膜防御中的主要IgC 五聚体构成D 穿过胎盘E 胎儿可合成...
Wednesday, November 29, 2023
配伍题心外膜是()|心瓣膜是()|浦肯野纤维是()A浆膜结构B心内膜凸向心腔折叠形成的薄片状突起C心脏传导系统D心房颗粒E心包壁层...
Wednesday, September 27, 2023
单选题肺实质包括()A 肺内结缔组织B 肺内血管、淋巴管和神经C 仅肺泡D 仅肺内支气管树E 肺内支气管树和肺泡...
Monday, February 13, 2023
单选题以下关于肺血管系统描述错误的是()A 肺有两套血管系统B 肺动脉和肺静脉属肺的功能性血管C 支气管动、静脉属肺的营养性血管D 左肺动脉较长,右肺动脉较短E 左肺动脉分两支,右肺动脉分三支...
Tuesday, October 18, 2022
Tuesday, September 20, 2022
Thursday, September 22, 2022
单选题DNA上的外显子是()A 不被转录的序列B 被转录但不被翻译的序列C 被转录也被翻译的序列D 调节基因序列E 不出现在成熟mRNA中的序列...
Thursday, February 29, 2024
Thursday, September 22, 2022
单选题联合检测S-100和CD57蛋白有助于诊断()A 平滑肌肉瘤B 纤维肉瘤C 横纹肌肉瘤D 神经纤维瘤E 黑色素瘤...
Friday, January 19, 2024
Thursday, September 22, 2022
Saturday, September 17, 2022
Friday, September 16, 2022
Wednesday, September 21, 2022
Thursday, September 22, 2022
Sunday, September 18, 2022
Friday, September 16, 2022
Thursday, September 22, 2022
Wednesday, September 21, 2022