问题:癫痫病灶在SPECT脑灌注显像中血流灌注放射性表现为()A、发作和间歇期均增高B、发作和间歇期均减低C、发作时增高,间歇期减低D、发作时减低,间歇期增高E、发作时增高,间歇时正常...
Monday, December 5, 2022
Friday, September 16, 2022
问题:消除彩色信号闪烁伪像,有效的措施是()。A、减低超声波发射脉冲重复频率B、增高彩色多普勒增益C、控制呼吸运动D、调低壁滤波E、调节彩色血流取样框...
Saturday, April 27, 2024
Friday, September 16, 2022
Sunday, September 11, 2022
问题:Graves病在核医学检查中无下列那种表现()A、甲状腺吸碘率增高B、吸碘高峰前移C、T3、T4增高D、FT3、FT4增高E、TSH增高...
Sunday, February 18, 2024
Friday, September 16, 2022
Friday, September 16, 2022
Sunday, September 11, 2022
Thursday, September 15, 2022
问题:锝[<sup>99m</sup>Tc]亚甲基二膦酸盐(<sup>...
Thursday, September 15, 2022
问题:因探测器灵敏度不一致,采集系统故障造成的伪影形态为()...
Friday, September 16, 2022
Friday, September 16, 2022
问题:骨肉瘤主要临床表现是()A、局部进行性疼痛B、局部皮温增高C、浅表静脉怒张D、功能障碍E、以上均是...
Sunday, February 18, 2024
问题:153Sm-FDTMP在临床上广泛用于治疗骨转移癌,其半衰期为()A、43.6小时B、78.1小时C、67小时D、13小时E、66.02小时...
Friday, February 10, 2023
问题:超声引导穿刺小目标时,常会遇到穿刺针或导管显示不准确的困扰,其原因是()。A、混响伪像所致B、部分容积效应所致C、折射声影所致D、声束斜行引起回声失落所致E、衰减过多所致...
Monday, September 26, 2022
Friday, September 16, 2022
Thursday, September 15, 2022
Thursday, September 15, 2022