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Master the Basics of MRI
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Master the Basics of MRI

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Questions and Answers

Which term refers to the speed at which the magnetic moments precess around the external magnetic field?

  • Resonance
  • Larmor frequency (correct)
  • Phase
  • Precession

    • What determines the precessional frequency of hydrogen at 1 Tesla?

  • Resonance frequency
  • Precession frequency
  • Larmor equation
  • Gyromagnetic ratio (correct)

    • What happens when the precessional frequencies of magnetic moments match an applied radiofrequency field?

  • Phase
  • Resonance (correct)
  • Precession
  • Decay

    • What is the term for the voltage induced in a receiver coil when coherent magnetization cuts across the coil?

    <p>Signal induction</p> Signup and view all the answers

    Which element is the most abundant in the human body?

    <p>Hydrogen</p> Signup and view all the answers

    Which of the following is NOT a type of motion within the atom?

    <p>Nucleus spinning around the electrons</p> Signup and view all the answers

    What is the atomic number of an atom?

    <p>The number of protons in the nucleus</p> Signup and view all the answers

    What is the most commonly used MR-active nucleus in MRI?

    <p>Hydrogen</p> Signup and view all the answers

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