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超声波是一种()Ultrasound is a kind of()


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超声波是一种()Ultrasound is a kind of()

A.电磁波electromagnetic wave

B.机械波Mechanical wave

C.低频波Low frequency wave

D.电波Radio wave

正确答案:机械波Mechanical wave


Tag:教你选择医学影像检查方式医学影像原理与设备 机械波 电磁波 时间:2022-01-16 13:58:14

  • 上一篇:根据超声成像的基本原理,当超声波在某生物组织中的传播速度为1540 m·s-1,接收一个脉冲回波的所用时间为0.02ms,则产生该回波的生物组织的深度是()According to the basic principle of ultrasound imaging, when the propagation velocity of ultrasound in a biological tissue is 1540 m·s-1 and the time taken to receive a pulse ec
  • 下一篇: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:()

相关答案

  • 1.B超声像图中,能形成强回波,其后方留有声影的是()In the B ultrasound image, what can form a shadow is()
  • 2.多普勒超声血流检测技术不能用于确定()Duplex scanning cannot be used to determine()
  • 3.B超不能检查的部位是()Which tissues or organs cannot be examined by B-ultrasound?()
  • 4.彩色多普勒显像的血流信号的特点是()The characteristic of the blood signal in color mapped Doppler image is()
  • 5.在B超成像中,对组织器官轮廓的显示主要取决于()In B-ultrasound imaging, the display of tissue and organ contours depends mainly on()
  • 6.B超图像上,回波信号显示为()In B-mode ultrasound image, the returning echo pulse are displayed as()
  • 7.一般人们把声音频率超过()的声波称为超声波Ultrasound refers to sound waves with a frequency exceeding()
  • 8.适合采用超声检查的组织(器官)是()Which tissue or organ can be examined by ultrasound()
  • 9.四维超声比三超声增加的维度是()The dimension of four-dimensional ultrasound over three-dimensional ultrasound is()
  • 10.在彩色多普勒图像中,红色代表()In colre mapped Doppler images, the red areas show()

热门答案

  • 1.在彩色多普勒图像中,蓝色代表()In colre mapped Doppler images, the blue areas show()
  • 2.脏器的内部的结构信息是通过()获得的。The internal structure information of organs is obtained by ultrasonic()
  • 3.脏器的轮廓信息是通过()获得的The contour information of organs is obtained by ultrasonic()
  • 4.在B超图像上,回波信号显示为()In B-mode ultrasound image, the returning echo pulse are displayed as()
  • 5.超声检查时涂抹耦合剂的原因是()The reason why the coupling agent is applied during ultrasonic examination is that()
  • 6.声阻抗最大的是()Which tissue has the highest acoustic impedance?
  • 7.超声波是指频率超过()的声波Ultrasound refers to sound waves with a frequency exceeding()
  • 8.发射超声是利用()Ultrasonic emission is based on the()
  • 9.接收超声是利用()Ultrasonic receiving is based on the()
  • 10.螺旋CT的扫描方式称为The scanning method of spiral CT is called

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