血流速度增快,流量加大,彩色多普勒显像的血流信号将会有何变化 ( )
A、亮度提高
B、亮度降低
C、亮度不定
D、亮度变换不定
E、以上都不是
第1题:
血流速度增快,流量大,彩色多普勒的血流信号显示()。
A、彩色血流亮度提高,彩色血流充盈好
B、彩色血流亮度降低,彩色血流充盈不好
C、彩色血流亮度不变
D、彩色血流亮度变换不定
E、以上都不是
第2题:
第3题:
17、当血流速度增快,流量加大时,彩超图像上血流信号的特点是:() When both the velocity of blood flow and the flow rate increase, the characteristic of blood flow signals on color Doppler ultrasound images is:()
A.亮度提高 Brightness increase
B.亮度降低 Brightness decrease
C.亮度不变 Brightness unchanged
D.都不对 All are wrong
第4题:
第5题:
50、当血流速度增快,流量加大时,彩超图像上血流信号的特点是:() When both the velocity of blood flow and the flow rate increase, the characteristic of blood flow signals on color Doppler ultrasound images is:()
A.亮度提高 Brightness increase
B.亮度降低 Brightness decrease
C.亮度不变 Brightness unchanged
D.都不对 All are wrong