Therapeutic Ultrasound
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Questions and Answers

What is the frequency range of sound waves within the audible range?

  • 10 Hz to 15,000 Hz
  • 20 Hz to 50,000 Hz
  • 20 Hz to 20,000 Hz (correct)
  • 30 Hz to 25,000 Hz

    • How is ultrasonic energy produced in therapeutic ultrasound?

  • It is produced from nuclear energy
  • It is produced from heat energy
  • It is produced from chemical reactions
  • It is produced from electrical energy that is transformed into mechanical energy (correct)

    • What is the typical frequency range of ultrasound used in physical therapy?

  • 2 to 6 MHz
  • 0.75 to 3 MHz (correct)
  • 1 to 5 MHz
  • 0.5 to 2 MHz

    • What is the production of ultrasound based on?

    <p>A phenomenon known as piezoelectric effect</p> Signup and view all the answers

    What distinguishes ultrasonic energy from sound waves?

    <p>Ultrasonic energy has a higher frequency than sound waves</p> Signup and view all the answers

    What is the typical frequency range of ultrasound used in physical therapy?

    <p>0.75 - 3 MHz</p> Signup and view all the answers

    How is ultrasonic energy produced in therapeutic ultrasound?

    <p>From electrical energy transformed into mechanical energy</p> Signup and view all the answers

    What distinguishes ultrasonic energy from sound waves?

    <p>Higher frequency</p> Signup and view all the answers

    What is the production of ultrasound based on?

    <p>Phenomenon known as piezoelectricity</p> Signup and view all the answers

    What is the frequency range of sound waves within the audible range?

    <p>20 - 20,000 Hz</p> Signup and view all the answers

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