Friday, September 16, 2022
Wednesday, September 21, 2022
Wednesday, September 21, 2022
单选题背向散射回声强度的射频测定在超声造影技术上的用途是( )。A 用于定量评价超声造影效果B 加速血流速度C 增大血流量D 增强超声造影效果E 消除超声造影的副作用...
Thursday, November 17, 2022
Friday, September 16, 2022
观察不同器官和部位彩色多普勒血流信号,何项选择不妥?( )...
Wednesday, September 21, 2022
Wednesday, September 21, 2022
关于组织内的声波衰减程度的一般规律,下列哪项是错误的?( )...
Wednesday, September 21, 2022
Thursday, September 22, 2022
Wednesday, September 21, 2022
单选题在介质中发生吸收现象比率的术语叫( )。A 衰减B 吸收系数C 波振D 放大E 扩散...
Friday, December 8, 2023
Wednesday, September 21, 2022
Wednesday, September 21, 2022
Friday, September 16, 2022
Wednesday, September 21, 2022
Wednesday, September 21, 2022
单选题以下哪项病变不会出现声影伪像?( )A 胆囊结石B 皮肤瘢痕组织C 肝内钙化灶D 肝肿瘤伴坏死液化E 陈旧性动脉粥样硬化性斑块...
Saturday, September 30, 2023
Wednesday, September 21, 2022