牙根形态的生理意义中哪一点是错误的() ["根分叉愈多,其支持作用愈大","根分叉愈宽,其支持作用愈强","上颌切牙受向上向前的力,故唇面小于舌面","上颌磨牙舌尖受力最大,故舌根比较粗壮","下颌磨牙牙根横切面为"8"字形,有利于增强稳固性"]
血管紧张素Ⅰ转化酶抑制剂是() ["硝普钠","卡托普利","肼苯哒嗪","哌唑嗪","尼群地平"]
男,46岁。左上腹撞伤,当时仅感局部疼痛,血压105/75mmHg,5天后因腹痛突然加剧就诊,左上腹压痛明显,血压11/6kPa(85/45mmHg),血红蛋白8g/dl。诊断最应考虑() ["左肾挫伤","结肠迟发性坏死","胃破裂","胰腺挫伤并胰腺炎","脾破裂"]
男性,40岁,病史2周,发热、皮肤出血点,骨髓原始细胞>0.80,过氧化物酶(++),Auser小体(+),最可能的诊断为()。 ["急性单核细胞白血病","急粒白血病","急淋白血病","急性红白血病急变","慢粒白血病急变"]
铁剂可用于治疗() ["巨幼红细胞性贫血","溶血性贫血","自身免疫性贫血","小细胞低色素性贫血","再生障碍性贫血"]
与HLA-B27相关的葡萄膜炎是()。