• 2022-06-06
    Ultrasound
    molecular imaging is based on the specific acoustic properties of
    acoustically active ultrasound contrast agents, which can be
    sensitively imaged with regular ultrasound methods. ()
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    内容

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      How is a medium characterized by ultrasound imaging?() A: By its thickness B: By its acoustic impedance C: By its water content D: By its density

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      Ultrasound diagnostic technology has been applied in obstetrics for<br/>more than 50 years.(<br/>)

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      Acoustic ultrasound gel is applied to the skin to A: a) Allow good transmission of sound waves into the body. B: b) Lubricate the skin. C: c) Increase the amount of ultrasound scatter.

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      To ensure delivering a healthy fetus, the more prenatal ultrasound<br/>examinations pregnant woman has, the better.(<br/>)

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      Focused ultrasound knife uses high-intensity focused ultrasound, that is, high energy ultrasound.