新生儿颅内出血的发病机制是() ["A．凝血功能不健全","B．血管壁弹力纤维发育不完善","C．缺氧","D．产伤","E．大脑发育不全"]
环甲膜
属于生物源性的人体寄生线虫是() ["A．蛔虫","B．钩虫","C．蛲虫","D．丝虫","E．鞭虫"]
新生儿生理性黄疸的特点() ["A．生后2～5天出现","B．一般情况好，不伴有其他症状","C．足月儿2周消退","D．足月儿血清胆红素＜12.9mg/dl","E．血清结合胆红素>1.5mg/dl"]
某一患者甲状腺显像示甲状腺显影不清，颌下腺、舌下腺、腮腺摄取较多的放射性，不可能的原因是() ["A．甲状腺炎","B．甲状腺功能亢进","C．检查前服用含碘的药物和食物(如海藻类)","D．服用避孕药","E．服用甲状腺素片和抗甲状腺药物"]
甲状软骨切迹
