原发性肝癌患者HBsAg阳性率可高达() ["A．30%","B．50%","C．70%","D．80%","E．90%"]
正常管道形成受阻时畸形不包括() ["A．处女膜闭锁","B．纵隔子宫","C．阴道横隔","D．阴道纵隔","E．宫颈闭锁"]
关于原发性肝癌哪项是错误的() ["A．肿瘤的腹腔植入是最重要的转移途径","B．10%的患者死于癌结节破裂","C．生殖腺胚胎瘤AFP也可升高","D．原发性肝癌合并肝硬化者占50%～90%","E．丙型肝炎病毒亦是肝癌的病因之一"]
泌尿生殖嵴在胚胎的第几周出现() ["A．12周末","B．3～4周","C．4～6周末","D．4～5周","E．8周"]
原发性肝癌的伴癌综合征为() ["A．低血糖症","B．红细胞增多症","C．类白血病样反应","D．高血钙","E．以上都是"]
肱二头肌反射的反射中心为____________，经____________传导。
