新生儿至5个月婴儿鼓膜与外耳道底约成多少度角()。 ["30°","35°","40°","45°","50°"]
引起血氨浓度升高的最主要原因是() ["肠道吸收氨增加","蛋白质摄入过多","肝严重受损","肾衰竭","脑组织供能不足"]
体内缺铁初期的最早最可靠的诊断依据是()。 ["血清总铁结合力增高","典型的小细胞低色素性贫血血象","血清铁减低","骨髓储存铁减少或缺乏","血清转运铁蛋白饱和度下降"]
患者身热,不恶寒,反恶热,口渴饮冷,蒸蒸汗出,舌红,脉洪数的临床意义是() ["A.太阳病证","B.阳明经证","C.阳明腑证","D.太阴病证","E.太阳蓄血证"]
拔除上颌第一磨牙时需麻醉() ["上牙槽中神经、腭前神经","上牙槽后神经、腭前神经","上牙槽中神经、上牙槽后神经","上牙槽后神经、上牙槽中神经、鼻腭神经","上牙槽后神经、上牙槽中神经、腭前神经"]
什么是Morvan征?