问题:单选题喉部CT扫描体位,仰头的目的在于( )。A 受检者舒服B 头不易动C 便于定位D 喉室打开E 防止下颌骨伪影...
Saturday, January 21, 2023
问题:颅脑CT横断面以EML为扫描基线,层厚、层距为10/10mm时,Willis血管环应显示在( )。...
Tuesday, September 20, 2022
Thursday, September 22, 2022
Thursday, September 22, 2022
Friday, September 23, 2022
Saturday, September 17, 2022
问题:上腹部CT检查,口服稀释的阳性对比剂的作用是( )。...
Thursday, September 22, 2022
问题:数据采集的时间分辨力是心脏成像的关键,采集速度为( )。...
Thursday, September 22, 2022
问题:单选题X线穿过均匀物质时,与衰减无关的因素是( )。A 物质的衰减系数B X线通过的距离C X线入射的强度D 通过物体的厚度E 物体的面积...
Sunday, April 7, 2024
Thursday, September 22, 2022
Tuesday, September 20, 2022
问题:单选题CT图像数据处理的方法不包括( )。A 减除空气值B 测定入射X线初始强度I0C 校正零点漂移值D 对扫描的总和进行检验和校正E 线性化...
Sunday, October 15, 2023