弥漫性肝癌()肝血管瘤() ["A．小于或等于1cm低回声结节","B．门静脉内栓子","C．两者均有","D．两者均无"]
肾外伤()腹膜后出血() ["A．肾包膜下出血可见包膜下液暗区 ","B．肾周出血可见肾周液暗区、包膜不完整","C．两者均有","D．两者均无"]
胆囊结石()胆囊息肉() ["A．强回声光团、随体位改变","B．声影","C．两者均有","D．两者均无"]
发生肾的任何部位的圆形、壁光滑的、内为液暗区与后壁回声增强()肾窦内见大小不等互相连通的液暗区() ["A．肾孤立性囊肿","B．多囊肾","C．肾积水","D．肾肿瘤坏死液化","E．肾乳头状囊腺瘤"]
脑室内见到回声增强的物质()脑实质内见到回声增强的物质() ["A．脑实质出血","B．脑室内出血","C．室管膜下出血","D．蛛网膜下腔出血","E．硬脑膜下出血"]
肝切面图内见边界清楚之结节且无包膜、周边回声强、内部回声略低于周边并呈筛孔状回声()肝切面图内见强回声或低回声结节、边缘不规则、周边有晕环、内部光点分布不均匀()肝切面内呈龟背样回声()肝切面内见包膜完整、壁薄光滑的圆形液暗区()肝切面内见包膜粗糙、壁厚不光滑、内部呈低回声或液暗区之病变回声区，伴局部压痛明显()
