[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"$fdfa0GjLTR96RKzMspsE-1aHZUMF8KuEXBrmfy-NMspk":3},{"answer":4,"createTime":5,"id":6,"options":7,"origin":13,"question":20,"related":21,"source":33,"type":34},[],"2024-06-20 09:07:02",152728178,[8,9,10,11,12],"分离水和脂肪的信号","检测急性出血","检测组织中的铁沉积和微血管","增强血管成像","观察脑的功能活动",{"count":14,"courseId":15,"courseImg":16,"courseName":17,"workId":18,"workName":19},547,"027a07b662c267a71e734bbe11f7a7f8","https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002Fe8c859f29db414be0ef428cbbb355700.png","MRI检查技术","work_35689283","考前练习","SWI技术主要用于",[22,35,46,57,67,77,88,99,102,112],{"answer":23,"createTime":24,"id":25,"options":26,"question":32,"source":33,"type":34},[],"2024-06-18 11:04:54",152728156,[27,28,29,30,31],"做各种数据测量","感兴趣区动态变化曲线","滤波处理","增加接收带宽","图像叠加","不属于磁共振图像后处理的是","v1",0,{"answer":36,"createTime":37,"id":38,"options":39,"question":45,"source":33,"type":34},[],"2024-06-26 19:25:31",152728159,[40,41,42,43,44],"血管流动效应","神经系统疾病","软组织结构","出血产物","肿瘤的热效应","梯度回波(GRE)序列通常用于检测",{"answer":47,"createTime":48,"id":49,"options":50,"question":56,"source":33,"type":34},[],"2024-06-18 18:42:43",152728162,[51,52,53,54,55],"组织的密度","组织的电导率","组织的磁场强度","组织本身的特性","组织的物理状态","MRI图像的对比度主要取决于",{"answer":58,"createTime":24,"id":59,"options":60,"question":66,"source":33,"type":34},[],152728165,[61,62,63,64,65],"PC法","黑血法","对比增强MRA","TOF法","密度对比法","下列哪一项不是MRA的方法",{"answer":68,"createTime":37,"id":69,"options":70,"question":76,"source":33,"type":34},[],152728167,[71,72,73,74,75],"必要时进行脂肪抑制","采集矩阵:256&times;(128~256)","FOV:24~30cm(矢状位)","脉冲序列:SE、TSE等","层厚:矢状位 8~10mm","与颈椎、颈髓扫描参数不符的是",{"answer":78,"createTime":79,"id":80,"options":81,"question":87,"source":33,"type":34},[],"2024-06-21 20:04:12",152728171,[82,83,84,85,86],"T1加权成像","DTI","T2加权成像","PD加权成像","MRA","以下哪种序列最适合检测肌肉的损伤",{"answer":89,"createTime":90,"id":91,"options":92,"question":98,"source":33,"type":34},[],"2024-06-21 20:04:11",152728174,[93,94,95,96,97],"宏观磁化矢量的形成与静磁场无关","共振的条件是能量一致","原子核吸收射频脉冲的能量后发生了能级跃迁","射频脉冲激发后的效应是使原子核裂变","任何原子核都可以产生MR现象","下列有关MR现象的表述,正确的是",{"answer":100,"createTime":5,"id":6,"options":101,"question":20,"source":33,"type":34},[],[8,9,10,11,12],{"answer":103,"createTime":37,"id":104,"options":105,"question":111,"source":33,"type":34},[],152728182,[106,107,108,109,110],"海马","间脑","延髓","中脑","脑桥","不属于脑干的解剖结构为",{"answer":113,"createTime":37,"id":114,"options":115,"question":121,"source":33,"type":34},[],152728185,[116,117,118,119,120],"提高图像的信噪比和对比噪声比,有利于病灶的检出","增加病灶的信号强度","用于CT增强未能检出的病灶","减少图像伪影","降低病灶的信号强度","使用MRI对比剂的目的主要是"]