患者,女,38岁,双手指关节疼痛伴晨僵半年,查双手第2、3近端指间关节呈梭形肿胀,活动受限,最可能的诊断是() ["腱鞘炎","类风湿关节炎","风湿性关节炎","滑膜炎","干燥综合征"]
下列哪些药物可引起锥体外系反应() ["丙米嗪","奋乃静","氯丙嗪","多塞平","马普替林"]
什么是连铸坯合格率?
腰麻穿刺最常用的间隙() ["T12~L1","L1~2","L2~3","L3~4","L4~5"]
霍乱流行期间较次要的传染源是() ["重症病人","典型病人","轻型病人","隐性感染者","潜伏期和恢复期带菌者"]
产量定额是指在正常的生产技术和合理的劳动组织条件下,规定劳动者在()内应完成产品的数量标准。