术后心肌梗死何时发生率最高() ["A.术后3天内","B.术后1周内","C.术后5天内","D.术后2周内","E.术后6天内"]
关于内脏性疼痛的描述不正确的是() ["痛觉迟钝","范围不明显","定位不准确","缓慢、持续","常引起腹肌紧张"]
关于自酸蚀粘接剂的描述,下面哪一项可能是错误的() ["A.粘接釉质时可事先酸蚀釉质","B.粘接牙本质时,不必单独应用酸蚀剂","C.粘接剂呈酸性","D.可与化学固化型树脂基水门汀联合应用"]
法洛四联症右向左分流量的大小主要取决于() ["主动脉骑跨的程度","肺动脉狭窄的程度","室缺位置的高低","室缺的大小","右心室肥厚的程度"]
小青龙汤证,“服汤已,渴者”,其病机是() ["服药辛燥,伤及津液","水饮阻遏,津液不达","水饮初化,津液一时不布","里热伤津","引水自救"]
成人输血速度一般为()。老年人输血速度为()。