Diagnostic Ultrasound Principles Quiz
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Questions and Answers

What causes acoustic enhancement in ultrasound imaging?

  • The movement of particles caused by ultrasound waves
  • A structure that causes marked attenuation of the ultrasound waves
  • The resistance offered by tissues to the movement of particles caused by ultrasound waves
  • A structure that causes little or no attenuation of the ultrasound waves (correct)

    • What is acoustic impedance equal to?

  • The division of the density of the tissue and the speed of the ultrasound wave in the tissue
  • The difference of the density of the tissue and the speed of the ultrasound wave in the tissue
  • The product of the density of the tissue and the speed of the ultrasound wave in the tissue (correct)
  • The sum of the density of the tissue and the speed of the ultrasound wave in the tissue

    • What is acoustic shadowing in ultrasound imaging?

  • The decreased echogenicity of tissues that lie behind a structure that causes marked attenuation of the ultrasound waves (correct)
  • The increased echogenicity of tissues that lie behind a structure that causes little or no attenuation of the ultrasound waves
  • The movement of particles caused by ultrasound waves
  • The resistance offered by tissues to the movement of particles caused by ultrasound waves

    • What is the acoustic beam in ultrasound?

    <p>The beam of ultrasound waves produced by the transducer (probe)</p> Signup and view all the answers

    What does acoustic impedance depend on?

    <p>The density of the tissue and the speed of the ultrasound wave in the tissue</p> Signup and view all the answers

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