[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"$fDm82nUOflMOfju0HZCY1u-lVvg9jm5UqeNtOTa1O0OI":3},{"answer":4,"createTime":5,"id":6,"options":7,"origin":13,"question":20,"related":21,"source":25,"type":26},[],"2024-12-09 12:19:18",169818705,[8,9,10,11,12],"X线管到探测器的距离是不可调","可以沿着一个方向单独转动,也可以联动","它也称作三轴机架","受检部位一直处于照射野中心","无论任何方向曝光,X线中心直接对准探测器的中心",{"count":14,"courseId":15,"courseImg":16,"courseName":17,"workId":18,"workName":19},30,"dcd37bcd9d36c72c04a2be2bc5e8c9a0","https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002Fad1e2cd5ba0c0b1bee41596805d83abc.jpg","医学影像设备学","exam_133279383","第四章 数字X线摄影设备2","关于落地式DSA,下列说法错误的是",[22,27,37,47,57,67,77,87,97,107],{"answer":23,"createTime":5,"id":6,"options":24,"question":20,"source":25,"type":26},[],[8,9,10,11,12],"v1",0,{"answer":28,"createTime":5,"id":29,"options":30,"question":36,"source":25,"type":26},[],169818707,[31,32,33,34,35],"球管和增强器在同一个圆周内相对旋转","球管和增强器相对旋转","球管和增强器相对旋转,同时偏置臂向导管床方向运动","在C形臂的作用下,球管和增强器相对旋转","球管和增强器相对旋转,同时偏置臂向垂直导管床的方向运动","在DSA系统中的,岁差运动DSA是( )",{"answer":38,"createTime":5,"id":39,"options":40,"question":46,"source":25,"type":26},[],169818709,[41,42,43,44,45],"计算机断层成像设备,IP;计算机X线摄影设备,IP","计算机X线摄影设备,IP;数字X线摄影设备,FPD","数字X线摄影设备,FPD;计算机X线摄影设备,IP","计算机X线摄影设备,FPD;计算机断层成像设备,IP","数字X线摄影设备,FPD;计算机断层成像设备,FPD","DR设备的中文全称是______,采用的成像介质是_____.CR设备的中文全称是______,采用的成像介质是_____",{"answer":48,"createTime":5,"id":49,"options":50,"question":56,"source":25,"type":26},[],169818711,[51,52,53,54,55],"IP板经CR读取器后转换为数字信息","IP能重复使用","对已扫描的IP需进行强激光擦除","通过计算机完成图像各种后处理","利用硬盘存储模拟图像","下列关于暗盒型CR叙述不正确的是( )",{"answer":58,"createTime":5,"id":59,"options":60,"question":66,"source":25,"type":26},[],169818713,[61,62,63,64,65],"由光电二极管、存储电容和TFT组成的像素元","存储电容","TFT","由存储电容和TFT组成的像素元","光电二极管","非晶硒平板探测器的空间分辨率取决于( )",{"answer":68,"createTime":5,"id":69,"options":70,"question":76,"source":25,"type":26},[],169818715,[71,72,73,74,75],"X线发生单元(X线管)、X线采集单元(IP板)、图像读出单元(影像阅读器)、信息\u002F图像处理单元(图像工作站)","X线发生单元(X线管)、X线采集单元(FPD板)、图像读出单元(激光束)、信息\u002F图像处理单元(图像工作站)","X线发生单元(高压发生装置)、X线采集单元(IP板)、图像读出单元(激光束)、信息\u002F图像处理单元(图像工作站)","X线发生单元(高压发生装置)、X线采集单元(IP板)、图像读出单元(影像阅读器)、信息\u002F图像处理单元(硬盘)","X线发生单元(X线管)、X线采集单元(IP板)、图像读出单元(PMT)、信息\u002F图像处理单元(图像工作站)","以下关于CR的基本结构,叙述正确的是( )",{"answer":78,"createTime":5,"id":79,"options":80,"question":86,"source":25,"type":26},[],169818717,[81,82,83,84,85],"3072*2560","2916*3542","2560*3072","2916*2916","2560*2560","若探测器面积是14''*17'',像素面积为120um*120um,则像素矩阵是",{"answer":88,"createTime":5,"id":89,"options":90,"question":96,"source":25,"type":26},[],169818719,[91,92,93,94,95],"非晶硅平板探测器采用的光电转换物质是碘化铯","非晶硅平板探测器的量子检测效率高","非晶硒平板探测器是直接成像","两者成像过程中的主要区别有无可见光产生","非晶硒平板探测器的MTF值高","非晶硅平板探测器与非晶硒平板探测器比较,下列说法错误的是( )",{"answer":98,"createTime":5,"id":99,"options":100,"question":106,"source":25,"type":26},[],169818721,[101,102,103,104,105],"球管产生X线强度的波动范围","球管产生X线强度的最大和最小范围","探测器能够接收X线强度的最大和最小范围之比","探测器接受X线强度的波动范围","图像的显示范围","关于数字X线成像的动态范围是指( )",{"answer":108,"createTime":5,"id":109,"options":110,"question":116,"source":25,"type":26},[],169818722,[111,112,113,114,115],"8''×10''、10''×12''、14''×14'';不同","8''×8''、10''×12''、14''×14'';相同","8''×10''、12''×12''、15''×17'';不同","8''×10''、10''×12''、14''×14'';相同","8''×10''、10''×12''、15''×17'';不同","IP板的尺寸有____,不同尺寸IP板的读取时间是_____( )"]