Sunday, September 11, 2022
Sunday, September 11, 2022
问题:使用环磷酰胺对小鼠染毒,经处死动物、收集骨髓细胞、低渗、固定、G...
Thursday, September 15, 2022
Monday, September 12, 2022
问题:下列几条描述中哪一条不属于克山病的最基本病理改变()。...
Thursday, September 15, 2022
问题:外源化合物在体内储存的意义有()。A、解毒B、增毒C、对急性中毒具有保护作用D、成为血液中游离型毒物的来源E、没有任何意义...
Sunday, February 5, 2023
问题:某地区有部分儿童出现智力低下,而其他方面发育正常,应重点考虑()。A、汞中毒B、铅中毒C、砷中毒D、碘缺乏病E、氟中毒...
Friday, March 22, 2024
Sunday, September 11, 2022
问题:公共场所卫生监督的内容中对7类28种公共场所的空气、微小气候、水...
Sunday, September 11, 2022
Thursday, September 15, 2022
Thursday, September 15, 2022
问题:空气中的CO浓度增加导致红细胞中碳氧血红蛋白含量随之升高的现象是...
Thursday, September 15, 2022
问题:一生中对致癌物最敏感的时期是()。A、着床前期B、器官形成期C、胎儿期D、围生期E、出生后的发育期...
Wednesday, May 3, 2023
Thursday, September 15, 2022
Thursday, September 15, 2022
Wednesday, May 3, 2023
Thursday, September 15, 2022
问题:某村由于大量捕杀麻雀,结果导致蝗虫数量增加,粮食减产。此现象说明...
Sunday, September 11, 2022
Monday, September 12, 2022
问题:下列哪项不是我国《公共交通等候室卫生标准》规定的标准()。...
Sunday, September 11, 2022