女患,28岁,常在月经期反复出现右额颞部搏动性疼痛,多伴恶心、呕吐、出汗、面色苍白,持续4~72小时不等,常服用布洛芬以缓解头痛。应诊断为()。 ["紧张型头痛","丛集性头痛","有先兆偏头痛","基底型偏头痛","无先兆偏头痛"]
什么是连铸机的台数?
作为X线照片影像的可供诊断的密度范围是() ["O.5~0.1","O.5~2.0","0.25~2.0","O.5~2.5","O.25~3.O"]
胰岛素抵抗是指:() ["机体对胰岛素超常反应","机体对胰岛素超常敏感","机体对胰岛素的生理效应增高","机体对胰岛素的生理效应降低","机体对胰岛素的需要量减少"]
解磷定恢复AChE活性的作用最明显表现在() ["心血管系统","胃肠道","腺体","骨骼肌的神经肌肉接头处","中枢神经系统"]
炉水杂质含盐分高,粘度大,造成汽液界面分不清,成为蒸汽和泡沫的混和气,这种现象叫做()。