Sunday, September 11, 2022
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
Sunday, September 11, 2022
Thursday, September 15, 2022
Friday, September 16, 2022
Friday, September 16, 2022
Thursday, September 15, 2022
问题:乳突梅氏位的摄片角度的正确选择是()A、双25°B、双35°C、双45°D、双55°E、双65°...
Monday, December 25, 2023
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
Friday, September 16, 2022
问题:豆纹动脉由哪支动脉发出()A、颈内动脉B、大脑前动脉C、大脑中动脉D、大脑后动脉E、基底动脉...
Tuesday, October 4, 2022
问题:假如<sup>131</sup>I的物理半衰期为8天,3.7×1...
Sunday, September 11, 2022
问题:脐带绕颈时,脐动脉血流A/B是多少,多提示胎儿宫内窘迫:()...
Thursday, September 15, 2022
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
Sunday, September 11, 2022