[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"$f1hj5nJ0lsppagocDSiTVJcemZ65zIEgfoTUPhlOhpcA":3},{"answer":4,"createTime":5,"id":6,"options":7,"origin":12,"question":16,"related":17,"source":27,"type":28},[],"2025-12-20 16:35:43",275647447,[8,9,10,11],"腕关节侧位","前臂前后位","手后前位","腕部尺偏位",{"courseId":13,"courseImg":14,"courseName":15},"53e1d2ef4961cca8eea3e23969ad2cb9","https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F03a579384a6dc297c89809b582fcc767.png","默认课程","观察腕部舟骨骨质及与其它骨的关系的X线摄影体位是( )",[18,29,38,47,56,65,74,83,92,101],{"answer":19,"createTime":5,"id":20,"options":21,"question":26,"source":27,"type":28},[],275647433,[22,23,24,25],"T(透光率)","O","K(影像对比度)","D(照片密度)","X线照片密度或称为光学密度,其中阻光率一般用字母( )表示","v1",0,{"answer":30,"createTime":5,"id":31,"options":32,"question":37,"source":27,"type":28},[],275647434,[33,34,35,36],"[0,1]","(0,+&infin;)","(-&infin;,0)","[2,10]","透光率是照片上某处透过光线的程度,其阈值范围是( )",{"answer":39,"createTime":5,"id":40,"options":41,"question":46,"source":27,"type":28},[],275647435,[42,43,44,45],"使用活动滤线器是为避免铅条阴影的干扰","滤线栅内部铅条排列彼此平行排列,称为聚焦式滤线栅","滤线栅按结构特点分为聚焦式、平行式和交叉式滤线栅","使用滤线栅是吸收散射线的有效方法","下列关于X线滤线栅的叙述,错误的是( )",{"answer":48,"createTime":5,"id":49,"options":50,"question":55,"source":27,"type":28},[],275647436,[51,52,53,54],"对比度","宽容度","锐利度","感光度","CR系统的调谐曲线处理是处理影像的( )",{"answer":57,"createTime":5,"id":58,"options":59,"question":64,"source":27,"type":28},[],275647437,[60,61,62,63],"-1.44~+1.44","-4~+4(不包括0)","0.3~2.6","6~9","旋转中心为谐调曲线的中心密度,根据影像诊断的要求,在CR系统中设定为( )",{"answer":66,"createTime":5,"id":67,"options":68,"question":73,"source":27,"type":28},[],275647439,[69,70,71,72],"仰卧水平侧位","左侧卧位","侧卧水平正位","斜位","X线摄影体位分为两种,即一般体位和专用体位.在一般体位中,被检者侧卧于摄影床面上,X线中心线与地面平行,经身体前至后面或后至前面呈水平投射的体位称为( )",{"answer":75,"createTime":5,"id":76,"options":77,"question":82,"source":27,"type":28},[],275647441,[78,79,80,81],"X线中心线从被检者上方射入、下方射出的方向","X线中心线从被检者左方射入、右方射出的方向","X线中心线从被检者后方射入、前方射出的方向","X线中心线从被检者前方射入、后方射出的方向","关于前后方向的说法,下列哪项是正确的( )",{"answer":84,"createTime":5,"id":85,"options":86,"question":91,"source":27,"type":28},[],275647443,[87,88,89,90],"蛙形位","前弓位","切线位","轴位","被检部位矢状面与IR垂直,X线中心线与被检部位长轴平行或近似平行投射的体位是( )",{"answer":93,"createTime":5,"id":94,"options":95,"question":100,"source":27,"type":28},[],275647445,[96,97,98,99],"手掌向下平放于暗盒","第二掌骨头远端置于照射野中心","手矢状面与暗盒边缘平行","焦-片距为80cm","手后前位摄影时,下列哪项描述是错误的( )",{"answer":102,"createTime":5,"id":6,"options":103,"question":16,"source":27,"type":28},[],[8,9,10,11]]